The Binding of Isaac: Rebirth Guide

Isaac Afterbirth+ MEGA GUIDE! for The Binding of Isaac: Rebirth

Isaac Afterbirth+ MEGA GUIDE!

Overview

Item list / Trinkets / Transformations / Seeds

Update

Guide will be updated soon

Activated Collectibles

Name
ID
Icon
Quote
Description
Recharge
The Bible
33
Temporary Flight
Upon activation, Isaac gains flight, allowing him to pass over all obstacles in the current room. Instantly kills Mom, Mom’s Heart, and It Lives when activated, but will kill Isaac when activated while fighting Satan.
6
The Book of Belial
34
Temporary DMG up
Upon use increases damage by 2 for the current room and by a further +50% if the character also has the Blood of the Martyr. Guarantees a Devil Room or Angel Room will be open after beating a boss while holding it. Increases the chance for a Devil or Angel Room to appear by 12.5%.
3
The Necronomicon
35
Mass room damage
Damages all enemies in the room significantly.
6
The Poop
36
Plop!
Spawns a pile of poop where the character is standing and knocks nearby monsters back. May yield pickups like regular poop.
1
Mr. Boom
37
Reusable bomb buddy
Drops a large bomb.
2
Tammy’s Head
38
Reusable tear burst
Shoots 10 tears in a circle around Isaac, which retain the damage, shot speed, and special effects (such as poison) of Isaac’s tears.
1
Mom’s Bra
39
Mass Fear
Upon use, petrifies all enemies in the current room for approximately 4 seconds.
3
Kamikaze!
40
Become the bomb!
Creates an explosion in the same area as Isaac, dealing half a heart of damage to him and also damaging all enemies caught in the blast radius.
0
Mom’s Pad
41
Gross…
Upon use, inflicts fear to all enemies in the room for 5 seconds.
3
Bob’s Rotten Head
42
Reusable ranged bomb
Upon use, Isaac holds a poison bomb which can be thrown towards any of the four cardinal points and explodes on impact.
3
Teleport
44
Teleport!
Teleports you to a random room on the level.
2
Yum Heart
45
Reusable Regeneration
Restores 1 whole red heart.
4
Doctor’s Remote
47
Reusable Air Strike
Sets a big red target on the ground which can be controlled with tear controls. After 6 seconds or by pressing space again, a huge explosive missile hits it, which damages all enemies caught in its blast radius.
2
Shoop Da Whoop!
49
BLLLARRRRGGG!
Fires a laser from Isaac’s mouth.
2
Lemon Mishap
56
Oops
Creates a small yellow pool of creep, which damages enemies that cross it.
2
Book of Shadows
58
Temporary Invincibility
Upon use, creates a protective shield nullifying all types of damage for 10 seconds.
3
Anarchist Cookbook
65
Summon bombs
Spawns six troll bombs around the room.
3
The Hourglass
66
Temporary enemy slowdown
Upon activation, enemies and their projectiles are slowed down for a short duration.
2
My Little Unicorn
77
Temporary badass
Upon use, grants invulnerability and increased speed for five seconds, removing the ability to shoot tears and replacing it with the ability to deal contact damage to enemies.
6
Book of Revelations
78
Reusable soul protection
Adds 1 soul heart, increases the chance for a Devil or Angel Room to appear, and increases the chance for the next boss to be a Horseman (except on XL floors and floors with fixed bosses such as Mom).
6
The Nail
83
Temporary demon form
Adds one soul heart and allows the breaking of Rocks and damaging enemies by simply walking over them. Increases Damage and decreases Speed. All effects except for the Soul Heart wear off upon leaving the room.
6
We Need to Go Deeper!
84
Reusable level skip
Creates a trapdoor to go to the next floor. If used in The Womb, it will create a trapdoor to Sheol, even if the player hasn’t unlocked it.
6
Deck of Cards
85
Reusable Card Generator
Gives Isaac a random Tarot Card.
6
Monstro’s Tooth
86
Summon Monstro
Monstro jumps onto a random enemy, doing area damage. Can damage/kill the player if summoned in an room without enemies.
3
The Gamekid
93
Temporary Man-Pac
Upon use, turns the character into a into a Pac-Man-like creature for 5 seconds, granting invulnerability, inflicting fear on all enemies, and replenishing half a red heart container for every two enemies killed.
6
The Book of Sin
97
Reusable Item Generator
Spawns a random pickup, pill, card, or trinket.
4
Mom’s Bottle of Pills
102
Reusable pill generator
Gives Isaac a random pill, and will cause him to drop any held Q-slot item (If any). The player will only receive six different pill types in one playthrough.
6
The D6
105
Reroll Your Destiny
Allows Isaac to re-roll collectible items in the current room into other items, depending on the current room’s Item Pool.
6
The Pinking Shears
107
Cut and Run
Separates Isaac’s head and body for the current room. Isaac’s head, which now has flight, will be under the player’s control, while his body will seek out enemies to attack by contact damage.
6
The Bean
111
Toot on command
Isaac releases bad gas, poisoning any enemy in close vicinity.
1
Monster Manual
123
Temporary buddy generator
Summons a random familiar for the current room. Can summon familiars not yet unlocked.
3
Dead Sea Scrolls
124
It’s a mystery
Triggers the effect of a random activated item from a list of possible options (not every activated item is included).
2
Razor Blade
126
Feel my pain
Upon use deals one heart damage and grants +1.2 damage for the current room.
0
Forget Me Now
127
I don’t remember
When activated, the level ends and is freshly regenerated with new rooms, monsters, and items. Disappears after use.
One time use
The Pony
130
Flight + Dash Attack
Passively grants flight and increased speed. Upon use, Isaac charges in the direction the pony is facing, becoming invulnerable during the charge and damaging enemies.
4
Guppy’s Paw
133
Soul converter
Removes one Heart Container in exchange for gaining 3 Soul Hearts.
0
IV Bag
135
Portable blood bank
Upon activation, Isaac loses a half-heart (one whole heart in The Womb onwards) for a random amount of coins, similar to the blood donation machine.
0
Best Friend
136
Friends ’till the end
Deploys a decoy Isaac that eventually explodes with an increased blast radius.
3
Remote Detonator
137
Remote bomb detonation
Bombs you place explode only when you use this item. Gives 5 bombs.
0
Guppy’s Head
145
Reusable fly hive
Spawns 2-4 blue flies to damage enemies.
1
Prayer Card
146
Reusable eternity
Grants an eternal heart per use.
6
Notched Axe
147
Rocks don’t stand a chance
Isaac holds the axe above his head for as long as the spacebar button is held (or until he leaves the room). While holding the axe, Isaac can break any rock he touches, but cannot attack or pick up other items.
3
Crystal Ball
158
I see my future
Reveals the map (except the Super Secret Room) and drops a random Tarot Card or soul heart.
6
Crack the Sky
160
Holy white death
Summons multiple beams of light in random locations around the room, dealing a large amount of damage to any enemy that touches them.
4
The Candle
164
Reusable flame
Throws out a blue flame that can pass over gaps (but not through rocks). The flame damages anything in its path.
4 seconds
D20
166
Reroll the basics
Rerolls all pickups in the current room.
6
Spider Butt
171
Mass enemy slowdown + damage
Damages all enemies in the room and slows them and their projectiles down.
2
Dad’s Key
175
Opens all doors…
Opens all doors in the current room when activated, including doors which require a key to open and entrances to secret rooms. Opens the big doors in the first room of both The Chest and the Dark Room.
2
Portable Slot
177
Gamble 24/7
Upon activation, 1 coin will be consumed, and a random pickup may drop, similar to the slot machine.
0
White Pony
181
Flight + holy death
Passively grants flight and increased speed. Upon use, Isaac charges in the direction the pony is facing, becoming invulnerable during the charge and damaging enemies while also casting the effect of Crack the Sky.
6
Blood Rights
186
Mass enemy damage at a cost
Damages all enemies in the room, but deals a heart of damage to Isaac with each use.
0
Telepathy for Dummies
192
Temporary psychic shot
Upon activation, grants homing tears for the current room.
2
How to Jump
282
It’s about time you learned how
Gives Isaac the ability to jump (over gaps, spikes, etc.).
0
D100
283
REEROLLLLL!
Upon use, rerolls all passive items on Isaac like the D4, every pedestal item in the room like The D6 and every pickup like the D20.
6
D4
284
Reroll into something else
Rerolls all of Isaac’s items
6
D10
285
Rerolls enemies
Rerolls the enemies in a room. Only rerolls enemies that are still alive (does not spawn new enemies).
1
Blank Card
286
Card Mimic
Has the same effect as the card or rune currently held by Isaac.
4
Book of Secrets
287
??????
Upon use, gives the effect of Treasure Map, The Compass, or Blue Map for the duration of the current floor.
6
Box of Spiders
288
It’s a box of spiders
Summons 2-4 blue spiders.
2
Red Candle
289
Flame on
Throws a persistent flame that deals high damage and diminishes as it damages enemies or blocks shots.
4 seconds
The Jar
290
Save your life
When at full health, up to 4 extra hearts can be stored in the jar.
0
Flush!
291
Changes all enemies in the room into poop. Does not work on all enemies (Knights and bosses are immune). Instantly kills Dingle, Dangle, and Brownie.
6
Satanic Bible
292
Reusable Evil
Upon activation, Isaac gains a black heart.
6
Head of Krampus
293
Krampus Rage
Fires a cross-patterned brimstone shot, just like The Fallen and Krampus shoot.
6
Butter Bean
294
Reusable knock-back
Isaac farts and pushes back nearby enemies.
3 seconds
Magic Fingers
295
Pay to play
For 1 Coin, damages all enemies in the room.
0
Converter
296
Convert your soul
When used, converts two soul hearts into a heart container.
0
Pandora’s Box
297
??
Upon use, spawns certain pickups or items depending on the floor it is used on. Single-use.
One time use
Unicorn Stump
298
You feel stumped
Upon use, grants invulnerability and increased speed for five seconds, but removes the ability to shoot tears.
1
Isaac’s Tears
323
Collected tears
Shoots 8 tears around Isaac, which retain the damage, shot speed, and special effects of his tears. Each tear shot by Isaac increases item charge by one.
6
Undefined
324
Undefined
Teleports Isaac to either the Secret Room, Super Secret Room, Treasure Room, or I AM ERROR.
6
Scissors
325
Lose your head
Upon use, turns Isaac’s head into a stationary familiar for the current room which fires normal tears that deal 3.5 damage.
6
Breath of Life
326
Invincibility at a cost
Grants a brief moment of invincibility when the charge bar hits zero. If spacebar is held for an additional second after hitting zero, Isaac will take damage.
6; 1 per second
The Boomerang
338
It will never leave you
Throws a short-range boomerang which does a bit of damage and has a high chance to stun the enemy for 2 seconds. Can also be used to grab pickups.
4 seconds
Diplopia
347
Double item vision
Duplicates all pickups and item pedestals in the room.
One time use
Placebo
348
Pill mimic
When used, copies the effect of the pill Isaac is currently holding without consuming it. Does not copy the effects of cards or runes.
4
Wooden Nickel
349
Flip a coin
When used, has a 50% chance to drop one random type of coin (penny, nickel or dime).
1
Mega Bean
351
Giga fart!
When used, the Mega Bean will freeze all enemies in the current room for a couple of seconds, deal 5 damage and poison any enemies near Isaac, and send a wave of spikes that deals 10 damage across the room in the direction Isaac is facing.
3
Glass Cannon
352
Be gentle…
When used, reduces Isaac’s health to half a heart (including soul and black hearts) and fires one large piercing spectral tear that does a lot of damage. The damage done by Glass Cannon scales with Isaac’s damage (at base damage it does 45 damage).
4 seconds
Box of Friends
357
Double your friends
Upon use, duplicates all of Isaac’s familiars for the current room.
4
Friendly Ball
382
Gotta fetch ’em all!
Throwing the ball at an enemy instantly kills it and captures it. The captured enemy can later be released and will be charmed until it dies, persisting between floors.
3
Tear Detonator
383
Remote tear detonation!
When used, will detonate any tears currently on the screen and cause each one to split into 6 more tears which will fire in a circle, similar to Tammy’s Head.
1
D12
386
Rerolls rocks
Re-rolls all rocks in the current room into other random objects, such as bomb rocks, metal blocks, TNT, or poops.
3
Ventricle Razor
396
Short cutter
Can be used to place an orange portal and a blue portal. Upon entering a portal, Isaac is teleported to the other portal.
0
D8
406
Reroll stats
Re-rolls Isaac’s speed, range, tears and damage.
4
Teleport 2.0
419
I-Teleport!
When used, teleports Isaac to a random room that has not been explored yet. If all rooms are explored, including secret rooms, it will teleport Isaac to the Devil or Angel room. If all rooms are explored, including the Devil or Angel room, it will teleport Isaac to the I AM ERROR room. If used in a room with enemies, it will teleport Isaac out and back into the exact same room.
4
Kidney Bean
421
Love toots!
Upon use, Isaac farts, charming all nearby enemies.
2
Glowing Hour Glass
422
Turn back time
When used, this item will rewind time, put Isaac back in the previous room, and undo anything that happened in the current room. Any health, pickups, or items gained or lost will be reset back to the previous state.
2
Mine Crafter
427
Booom!
When used, places an explosive TNT barrel that can be pushed and used to destroy rocks or damage enemies. If used a second time in the same room while the previous TNT barrel is still intact, it will remotely explode the TNT.
1
Jar of Flies
434
Gotta catch ’em all?
Every time Isaac kills an enemy, a fly will be added to the jar, up to a maximum of 20. Using the Jar of Flies will release all the flies that are currently in the jar as friendly blue flies that will damage enemies.
0
D7
437
Reroll rewards!
Restarts the current room and brings back all enemies, allowing more rewards to be acquired by completing the room.
3
Mom’s Box
439
What’s inside?
When used, Mom’s Box will drop a random trinket on the ground. While held, increases luck by 1 and doubles the effects of trinkets.
4
Mega Blast
441
Laser breath
Upon use, Isaac fires a laser similar to the one used by Mega Satan. This laser deals massive damage, lasts for approximately 15 seconds, and persists between rooms. Isaac is pushed backwards by the force of the laser while it is active.
12
Plan C
475
Use with caution
Kills all enemies in the room, then kills Isaac three seconds later.
One time use
D1
476
What will it be?
Duplicates a random pickup in the room.
4
Void
477
Consume
Consumes all pedestal items in the room. Active items will have their effects added to Void, and passive items will grant stat upgrades.
6
Pause
478
Stop!
Freezes all enemies until a fire button is pressed.
2
Smelter
479
Trinket melter!
Consumes Isaac’s currently held trinket and applies its effect permanently.
6
Compost
48
Gain more friends!
Spawns a blue spider or fly. Turns pickups in the room into blue spiders or flies.
2
Dataminer
481
109
Displaces enemy sprites for the current room and increases or decreases a random stat.
4
Clicker
482
Change
Transforms Isaac into another random character.
6
Mama Mega!
483
BOOOOOOOOOM!
Damages all enemies and destroys all obstacles. The effect occurs every time a new room is entered for the rest of the floor. Opens doors to the floor’s secret and super secret rooms.
One time use
Wait What?
484
I can’t believe it’s not Butter Bean!
Isaac farts, sending out rock waves.
10 seconds
Crooked Penny
485
50/50
Spawns a penny and has a 50% chance to double all items and pickups in the room. If the effect fails, the items and pickups disappear.
4
Dull Razor
486
I feel numb…
Hurts Isaac without depleting health, activating any items that trigger upon taking damage.
2
Potato Peeler
487
A pound of flesh
Removes a heart container, increases damage and range, and grants a Cube of Meat.
0
Metronome
488
Waggles a finger
Grants a random item effect for the current room.
2
D Infinity
489
Reroll forever
Grants a random dice item that changes each use.
2
Eden’s Soul
490
Spawns two item pedestals.
12, one time use
Brown Nugget
504
Friendly fly
Spawns a stationary fly familiar that fires tears at nearby enemies.
7 seconds
Sharp Straw
507
More blood!
Damages all enemies in the room.
8 seconds
Delirious
510
Unleash the power!
Spawns a random charmed boss.
12
Black Hole
512
Nothing can escape
Throws a black hole on the ground which sucks in and damages enemies.
4
Mystery Gift
515
Wrapped up nice for you!
Upon use, spawns a random item from the current room’s item pool, with a chance to spawn A Lump of Coal or The Poop instead.
One time use
Sprinkler
516
Sprinkles.
Upon use, spawns a sprinkler that rotates and fires tears.
4
Coupon
521
Allow 6 weeks for delivery
Upon use, makes a random item from a shop, devil deal, or black market free.
6
Telekinesis
522
The power of mind!
Upon use, for the next two seconds, any enemy shots that come near Isaac are held in place. After the charge is depleted, they are fired back as tears.
3 seconds
Moving Box
523
Pack and unpack
If the box is empty, picks up all items and pickups in a room and stores them. If the box is not empty, places all stored items and pickups in the current room.
4
Mr. ME!
527
Caaan Do!
Summons a controllable ghost that can perform various tasks depending on what it targets.
4

Passive Collectibles

Name
ID
Icon
Quote
Description
The Sad Onion
1
Tears up
Increases Tears by 0.7.
The Inner Eye
2
Triple shot
Grants triple shot but decreases tears.
Spoon Bender
3
Homing shots
Grants Isaac homing tears.
Cricket’s Head
4
DMG up
Increases damage by 0.5, and multiplies it by 1.5x.
My Reflection
5
Boomerang tears
Gives Isaac’s tears a boomerang effect, and increases range and shot speed.
Number One
6
Tears up
Tears range is heavily decreased, but the fire rate is greatly increased.
Blood of the Martyr
7
DMG up
Increases Damage by 1, and turns Isaac’s tears into blood tears.
Brother Bobby
8
Friends ’till the end
Follows Isaac around shooting normal tears.
Skatole
9
Fly love
All types of fly except Boom Fly and Red Boom Fly become passive and slowly move towards Isaac. Does not prevent contact damage.
Halo of Flies
10
Projectile protection
Spawns two pretty fly familiars that block enemy shots and deal contact damage to enemies.
1up!
11
Extra life
Gives an extra life. Upon death, you will respawn in the previous room with full health and lose the 1up!.
Magic Mushroom
12
All Stats Up!
Increases all stats and enlargens Isaac.
The Virus
13
Poison touch
Inflicts poison to enemies who make contact with Isaac. Speed down.
Roid Rage
14
Speed and range up
Increases speed by 0.6, range by 5.25, and tear height by 0.5.
<3
15
HP up
Increases available heart containers by 1 and restores all health.
Raw Liver
16
HP up
Grants 2 Heart Containers and completely restores health.
Skeleton Key
17
99 keys
Sets your key count to the maximum of 99.
A Dollar
18
$$$
Gives Isaac 99 coins. Can be found multiple times in a single playthrough.
Boom!
19
10 bombs
Gives 10 bombs.
Transcendence
20
We all float down here…
Grants flight.
The Compass
21
The end is near
Reveals all special rooms (except secret rooms of any kind).
Lunch
22
HP Up
Adds 1 heart container.
Dinner
23
HP Up
Adds 1 heart container.
Dessert
24
HP Up
Adds 1 heart container.
Breakfast
25
HP up
Adds 1 heart container.
Rotten Meat
26
HP up
Adds one heart container.
Wooden Spoon
27
Speed up
Increases speed by 0.3.
The Belt
28
Speed up
Increases speed by 0.3.
Mom’s Underwear
29
Range up
Increases range.
Mom’s Heels
30
Range up
Increases range.
Mom’s Lipstick
31
Range up
Increases range and shot height.
Wire Coat Hanger
32
Tears up
Increases Tears by 0.7.
Lucky Foot
46
Luck up
+1 Luck. Increases chance of winning Shell Game Beggar. (Independent of luck stat)
Cupid’s Arrow
48
Piercing shots
Grants Isaac piercing tears that travel through enemies (but not obstacles) instead of breaking on impact with them.
Steven
50
DMG up
Increases Damage by 1.
Pentagram
51
DMG up
Increases damage and increases the chance for a Devil or Angel Room to appear.
Dr. Fetus
52
???
Tears are replaced by bombs that benefit from bomb-enhancing effects and slide a fixed range after being fired.
Magneto
53
Item snatcher
Pulls pickups towards Isaac.
Treasure Map
54
Full visible map
Reveals all rooms for every floor. However, it does not reveal icons or secret rooms.
Mom’s Eye
55
Eye in the back of your head
Allows Isaac to fire tears from the back of his head.
Distant Admiration
57
Attack fly
A red attack fly circles further out than the Halo of Flies / Pretty Flies, but closer than Forever Alone. Deals more damage than Forever Alone.
The Ladder
60
Building bridges
Allows Isaac to walk across gaps one square across by automatically placing a ladder between the two walkable sections.
Charm of the Vampire
62
Kills heal
Heals the character for half of a red heart for every 13 monsters killed.
The Battery
63
Stores energy
Activated Items can be “overcharged” to allow for an additional use.
Steam Sale
64
50% off
Reduces all Shop prices by 50%, rounded down to 7 coins for an item, rounded up to 2-3 coins for a pickup.
Sister Maggy
67
Friends ’till the end
A familiar that follows Isaac around shooting blood tears.
Technology
68
Laser tears
Replaces tears with a piercing laser with unlimited range.
Chocolate Milk
69
Charge shots
Grants charged tears that deal greater damage when fully charged.
Growth Hormones
70
Speed + DMG up
Increases damage by 1 and speed by 0.4.
Mini Mush
71
Speed + range up
Increases Speed and Shot Height and decreases Isaac’s size, but lowers Range.
Rosary
72
Faith up
Adds 3 Soul Hearts and increases the chance for The Bible to appear in any item pool.
Cube of Meat
73
Gotta meat ’em all!
Orbiting familiar that blocks enemy shots and deals damage to enemies. If collected while already having one, makes the familiar evolve. Only drops from Horsemen. Similar to Ball of Bandages.
A Quarter
74
+25 coins
Adds 25 to Isaac’s coin count, capping at 99.
X-Ray Vision
76
I’ve seen everything
Reveals and opens all Secret Room and Super Secret Room entrances.
The Mark
79
DMG up
Increases Damage and Speed, plus adds one Soul Heart.
The Pact
80
DMG + Tears UP
Increases damage by 0.5, tears by 0.7 and grants two soul hearts upon pickup.
Dead Cat
81
9 lives
Sets the amount of red heart containers to 1, but gives Isaac 9 extra lives. After dying, Isaac is teleported to the last safe room. New heart containers can be obtained after picking up this item, but after each death, the number of heart containers is set to 1 again.
Lord of the Pit
82
Demon wings
Grants flight and increases speed.
Loki’s Horns
87
Cross Tears
Gives a random chance for projectiles to fire in all 4 cardinal directions.
Little Chubby
88
Attack Buddy
A familiar that charges forward and deals touch damage to any enemies in its path.
Spider Bite
89
Slow effect
Adds a chance to shoot slowing tears, reducing speed of enemy movement and any projectile fired by them.
The Small Rock
90
DMG up
Increases damage by 1, increases tears by 0.2, and decreases speed by 0.1.
Spelunker Hat
91
See-through doors
Reveals type of adjacent rooms, including location for secret rooms and super secret rooms.
Super Bandage
92
+2 hearts
Grants one Heart Container and gives 2 Soul Hearts.
Sack of Pennies
94
Gives money
Isaac is followed by a small bag that drops a coin every 2 rooms.
Robo-Baby
95
Friends ’till the bbbbzzzt
Follows Isaac around, shooting enemies with an eye laser similar to Technology.
Little C.H.A.D.
96
Gives kisses
A familiar who will drop a half Heart every 2 rooms.
The Relic
98
Soul generator
Isaac is followed by a small blue cross that will drop a Soul Heart every 4 rooms.
Little Gish
99
Sticky friend
Spawns a familiar that follows Isaac around and fires slowing tears, impeding enemies’ speed.
Little Steven
100
Psychic friend
Spawns a familiar that follows Isaac around and fires homing tears.
The Halo
101
All stats up
Grants one Heart Container, +0.3 Damage, +0.2 Tears, +0.25 Range, +0.3 Speed, and +0.5 Tear Height.
The Common Cold
103
Poison Damage
Adds a chance to shoot poison tears, dealing damage over time when inflicted.
The Parasite
104
Split Shot
Isaac’s tears split in two when they hit something.
Mr. Mega
106
Blast damage
Gives Isaac 5 bombs, and makes all dropped bombs larger, which have an increased blast radius and increased damage.
The Wafer
108
Damage resistance
All sources of damage that would cause more than one half heart of damage are reduced to one half heart instead.
Money = Power
109
$$$ = DMG
Increases damage by 0.04 for every coin Isaac has up to +3.96 damage at 99 coins.
Mom’s Contacts
110
Freeze effect
Adds a chance to shoot petrifying tears, which stop enemies in place and prevent them from moving or attacking. Range up.
Guardian Angel
112
Extra protection
Spawns an orbital familiar that blocks enemy projectiles, deals contact damage to enemies and increases the speed of all orbital familiars.
Demon Baby
113
Auto-turret friend
Follows Isaac and automatically fires at enemies in its reach.
Mom’s Knife
114
Stab stab stab
Isaac’s tears are replaced by a knife that pierces enemies, can travel through obstacles, and can hurt enemies while Isaac is holding it. Holding down the fire button before firing increases its range and power.
Ouija Board
115
Spectral tears
Grants spectral tears that travel through obstacles (but not enemies) instead of breaking on impact with them.
9 Volt
116
Quicker charge
Reduces the charge of any Activated Items by 1. Any 1 charge items instead have timed recharges.
Dead Bird
117
Protective buddy
Spawns a flying familiar for the current room that chases enemies whenever Isaac takes damage.
Brimstone
118
Blood laser barrage
Tears are replaced by a laser beam that pierces through all enemies and obstacles in its path and deals high damage. Can only be fired after a short charge-up period.
Blood Bag
119
HP up
Grants 1 heart container, restores 5 red hearts, and increases speed.
Odd Mushroom (Thin)
120
Fire rate up
Increases Tears and Speed while reducing Damage.
Odd Mushroom (Large)
121
DMG up
Grants an empty heart container. Increases damage, range and shot height while reducing speed.
♥♥♥♥♥ of Babylon
122
Curse up
Increases damage and speed whenever Isaac has half a red heart or less (one red heart for Eve), ignoring any soul or black hearts.
Bobby-Bomb
125
Homing bombs!
Gives Isaac 5 Bombs, and causes all dropped bombs to home towards the closest enemy.
Forever Alone
128
Attack fly
Spawns a blue attack fly that orbits a long distance from Isaac.
Bucket of Lard
129
HP up
Grants two empty heart containers and heals Isaac by half a heart, but decreases speed by 0.2.
Bomb Bag
131
Gives bombs
Isaac is followed by a small bag that drops a Bomb, 1+1 Free, or a Troll Bomb every 3 rooms.
A Lump of Coal
132
My Xmas Present
The more distance tears travel, the more damage they will do.
Guppy’s Tail
134
Cursed?
Increases chance of finding gold chests and normal chests, but reduces chance of finding pickups.
Stigmata
138
DMG + HP up
Increases damage, and adds 1 heart container.
Mom’s Purse
139
More trinket room
Allows Isaac to hold 1 additional trinket.
Bob’s Curse
140
+5 poison bombs
Gives 5 bombs and grants all bombs poison effect.
Pageant Boy
141
Ultimate grand supreme
Spawns several coins around Isaac.
Scapular
142
You have been blessed
Once per room, when Isaac is reduced to his last half red Heart, the aura around his head temporarily vanishes and he is granted one Soul Heart.
Speed Ball
143
Speed + shot speed up
Increases speed by 0.3 and shot speed by 20%.
Bum Friend
144
He’s greedy
A portable beggar who follows Isaac, picks up coins for himself, and occasionally drops a pickup after collecting a coin. Does not spawn collectibles.
Infestation
148
They grow inside
1-3 Blue flies randomly spawn every time Isaac gets hit.
Ipecac
149
Explosive shots
Replaces tears with explosive and poisoning projectiles fired in an arc from the mouth.
Tough Love
150
Tooth shot
Adds a chance to shoot a tooth instead of a tear, which deals greater damage than regular tears.
The Mulligan
151
They grow inside
Tears have a 1/6 chance of spawning allied blue flies when they hit an enemy.
Technology 2
152
Laser
Decreases damage and replaces right eye tears with a unlimited range, piercing laser which fires continuously.
Mutant Spider
153
Quad shot
Grants quadruple shot but decreases tears.
Chemical Peel
154
DMG up
Tears fired from left eye do increased damage.
The Peeper
155
Plop!
Spawns a familiar that floats slowly around the room on a zig-zag pattern similar to Boom Flies damaging enemies it passes through.
Habit
156
Item Martyr
When Isaac is hit, 1 point of an item’s charge is filled.
Bloody Lust
157
RAGE!
Increases damage as Isaac receives damage. Damage increase stays for the whole floor.
Spirit of the Night
159
Scary
Grants spectral tears and flight.
Ankh
161
Eternal life?
Upon death, the player will respawn as ??? with 3 soul hearts.
Celtic Cross
162
You feel blessed
Grants a chance to trigger the Book of Shadows effect upon taking damage, creating a shield that nullifies all types of damage for 7 seconds.
Ghost Baby
163
Spectral buddy
Spawns a familiar that follows Isaac around and fires spectral tears.
Cat-O-Nine-Tails
165
Shot speed + damage up
Increases Shot Speed and damage.
Harlequin Baby
167
Double shot buddy
Spawns a familiar that follows Isaac around and fires two tears at once in a V-pattern.
Epic Fetus
168
On-demand air strike
Isaac’s tears are replaced with guided missiles, like those used by the Doctor’s Remote.
Polyphemus
169
Mega Tears
Makes Isaac shoot one huge tear. Also reduces Tears to minimum. Damage increased . If tear does more damage than an enemy’s life, the tear continues to travel with the extra remaining damage.
Daddy Longlegs
170
Daddy’s love
Daddy Long Legs’ shadow follows Isaac and stomps on enemies.
Sacrificial Dagger
172
My fate protects me
Dagger orbits Isaac, dealing very high damage.
Mitre
173
You Feel Blessed
Grants a chance of converting any red hearts pickups into soul hearts instead.
Rainbow Baby
174
Random buddy
Spawns a familiar that follows Isaac around and fires tears with random effects.
Stem Cells
176
HP up
Adds one filled heart container and increases Shot Speed.
Holy Water
178
Splash!
When Isaac receives damage, the bottle breaks and a puddle of blue creep forms, which damages non-flying enemies, similar to Lemon Mishap. The bottle is reformed upon entering a different room.
Fate
179
Flight eternal
Grants flight and one eternal heart.
The Black Bean
180
Toot on touch
When taking damage, Isaac farts, causing poison damage to all enemies in range.
Sacred Heart
182
Homing shots + DMG up
Increases damage and range while reducing shot speed and grants homing tears. Grants a Heart Container and replenishes all Red Hearts.
Toothpicks
183
Tears + shot speed up
Increases tears and shot speed.
Holy Grail
184
Flight + HP up
Grants flight and one heart container.
Dead Dove
185
Flight + spectral tears
Grants spectral tears and flight.
Guppy’s Hair Ball
187
Swing it
Loosely follows behind Isaac. Can be swung like a flail by rapidly spinning Isaac in a circle. Grows bigger by killing enemies.
Abel
188
Mirrored buddy
A familiar that mirrors the player’s movements and shoots in the opposite direction.
SMB Super Fan
189
All stats up
Increases all stats.
Pyro
190
99 bombs
Adds 99 bombs.
3 Dollar Bill
191
Rainbow tears
Gives Isaac a random tear effect every room. The effect given changes upon entering a room. The effect changes every 3 seconds.
MEAT!
193
DMG + HP up
Adds a heart container, and increases damage.
Magic 8 Ball
194
Shot speed up
Increases Shot Speed, and drops a Tarot Card when picked up.
Mom’s Coin Purse
195
What’s all this…?
Spawns 4 random pills around Isaac.
Squeezy
196
Tears up
Increases tears by 0.4, and spawns 2 Soul Hearts pickups.
Jesus Juice
197
Damage + range up
Increases Damage and Range.
Box
198
Stuff
Spawns 1 of each (non-collectible) item: 1 coin, 1 key, 1 bomb, 1 heart, 1 card, 1 pill, 1 trinket.
Mom’s Key
199
Less is now more +2 keys
Spawns 2 keys. Generates additional pickups from chests.
Mom’s Eyeshadow
200
Charm tears
Tears have a chance to charm enemies.
Iron Bar
201
Concussive tears
Increases damage by 0.3 and adds a chance to shoot concussive tears, causing enemies to walk around randomly.
Midas’ Touch
202
Golden touch
Enemies that touch you are stunned and turn gold. Any enemy killed while in this state will drop a coin.
Humbling Bundle
203
1+1 free 4evar!
Gives one extra pickup (1+1 Free version) of Red Hearts, pennies, bombs and Keys. Does not work with blue, black and half red hearts, nickels and dimes.
Fanny Pack
204
It’s filled with goodies!
Has a chance to drop a random pickup when Isaac takes damage.
Sharp Plug
205
Charge with blood
Using an activated item while it’s not charged will charge it and Sharp Plug does 2 full heart damage to Isaac.
Guillotine
206
An out-of-body experience
Isaac’s head is removed from his body and floats around him. Increases Damage by 1 and grants -1 Tear Delay.
Ball of Bandages
207
Gotta lick ’em all!
Orbiting familiar that deals damage to enemies. If collected while already having one, makes the familiar evolve. Only drops from Horsemen. Similar to Cube of Meat.
Champion Belt
208
DMG + Challenge Up
Increases damage, but also increases the chance of champion enemies appearing.
Butt Bombs
209
Toxic blast +5 bombs
Gives +5 bombs and makes all bombs Butt Bombs that fill the room with gas, damaging and confusing all enemies.
Gnawed Leaf
210
Unbreakable
After standing still and not shooting for a short time, Isaac turns invincible until he moves or shoots.
Spider Baby
211
Spider revenge
When hit, spawns up to 2 blue spiders.
Guppy’s Collar
212
Eternal Life?
Permanent 50% chance to respawn with 1/2 heart after death.
Lost Contact
213
Shielded tears
Every tear has a small shield which will allow it to block one enemy projectile.
Anemic
214
Toxic blood
+5 range. After Isaac is damaged, a trail of red creep will be left behind Isaac until he leaves the current room.
Goat Head
215
He accepts your offering
A Devil Room / Angel Room Door will always spawn after every boss fight, excluding the first floor and floors after Utero II/Womb II.
Ceremonial Robes
216
Sin up
Adds 3 black hearts and increases Damage by 1.
Mom’s Wig
217
You feel itchy…
Adds a chance to spawn blue spiders when firing tears. Restores 1 red heart.
Placenta
218
HP up + regen
Grants a full heart container, and a chance to regenerate a half-heart of health every minute of gameplay.
Old Bandage
219
HP up
Adds one empty heart container. Whenever Isaac takes damage there’s a chance that a Red Heart may drop.
Sad Bombs
220
Tear blast +5 bombs
+5 Bombs. Upon exploding, bombs shoot 8 tears off in every direction, similar to Tammy’s Head. The tears are affected by any tear modifiers Isaac has on his own tears.
Rubber Cement
221
Bouncing tears
Tears bounce off walls and obstacles (including enemies).
Anti-Gravity
222
Antigravity tears + tears up
-2 Tear Delay. Tears float in position until firing ceases, after which they will fly off in the direction they were shot in.
Pyromaniac
223
It hurts so good +5 Bombs
Isaac heals 1 heart instead of taking damage by a explosive blast from source. Adds 5 bombs.
Cricket’s Body
224
Tears up + splash damage
Grants -1 Tear Delay and reduces Range. When tears hit an object or deplete their range, they spawn 4 smaller tears, whose Range and Damage scale with Isaac’s.
Gimpy
225
Sweet Suffering
Has a chance of spawning a soul heart or black heart when taking damage. Enemies have a chance to drop a Half Red Heart after being killed.
Black Lotus
226
HP up x3!
Grants the player one red heart container, one soul heart, and one black heart.
Piggy Bank
227
My life savings
Gives 3 pennies on pick-up. Every time Isaac is damaged, he will drop one additional penny.
Mom’s Perfume
228
Fear shot
Adds a chance to shoot fear tears and decreases tear delay by 1.
Monstro’s Lung
229
Charged attack
Increases damage and grants a charged shot that fires multiple tears in the same fashion as Monstro.
Abaddon
230
Evil + DMG up + fear shot
Increases damage and speed, removes all red heart containers, grants six black hearts, and adds a chance to shoot fear tears.
Ball of Tar
231
Sticky feet…
Adds a chance to shoot slowing tears and the character leaves a trail of slowing creep behind as he moves, impeding enemies’ speed.
Stop Watch
232
Let’s slow this down a bit
Automatically inflicts slow to all enemies in every room. Upon taking damage, inflicts slow to all enemies for the current room.
Tiny Planet
233
Orbiting tears + range up
Range up and makes shot tears revolve around Isaac until they drop.
Infestation 2
234
Infestation shot
Spawns allied blue spiders from killed enemies.
E Coli
236
Turdy touch
Gives “Turdy Touch” Effect. Enemies that touch Isaac are changed into poop.
Death’s Touch
237
Penetrative shot + damage up
Increases Damage by 1.5, reduces Tears by 0.3 and increases tear size. Grants piercing tears. Tears are replaced by Death’s scythes, which is a cosmetic effect only.
Key Piece 1
238
???
Combined with Key Piece 2, unlocks the golden gate in the starting room of The Chest and Dark Room to fight Mega Satan.
Key Piece 2
239
???
Combined with Key Piece 1, unlocks the golden gate in the starting room of The Chest and Dark Room to fight Mega Satan.
Experimental Treatment
240
All stats up, then shuffled
Randomly increases and decreases some of the character’s stats. There will always be at least one stat increase and one decrease and the same stats can be increased/decreased multiple times.
Contract From Below
241
Wealth… but at what cost?
Doubles the number of pickups and chests spawned after clearing a room or performing some other triggering action (such as using a blood donation machine), but reduces the chance for any pickups to spawn at all.
Infamy
242
Damage Reduction
Chance to block projectiles coming from any direction.
Trinity Shield
243
“You feel guarded”
Isaac gains a shield that protects him from enemy shots.
Tech.5
244
It’s still being tested…
Grants a unlimited range piercing laser with random rate of fire that does not replace tears. The laser might occasionally fire with the effect of a random item or trinket, such as Hook Worm, Spoon Bender or Tiny Planet.
20/20
245
Double shot
Grants double shot.
Blue Map
246
Secrets
Shows secret and super secret room locations on the map.
BFFS!
247
Your Friends Rule!
Increases the size and damage of familiars.
Hive Mind
248
Giant spiders and flies
Increases the size of blue spiders and Blue Flies and doubles the amount of damage they deal.
There’s Options
249
More options
There will be 2 items available to choose from after defeating a boss. Choosing 1 item causes the other to disappear.
Bogo Bombs
250
1+1 boom!
All standard bomb pickups become 1+1 bomb pickups.
Starter Deck
251
Extra card room
Isaac can hold 2 cards at once and all pills are replaced by cards.
Little Baggy
252
Extra pill room
Isaac can hold 2 pills at once and all cards are replaced by pills.
Magic Scab
253
HP + Luck up
Increases luck and HP by 1.
Blood Clot
254
DMG + range up
Increases damage by 1 and range by 5 for tears fired from the left eye.
Screw
255
Tears + shot speed up
Tears and shot speed up.
Hot Bombs
256
Burning blast +5 bombs
Grants 5 bombs. Isaac’s bombs leave behind fire that damages enemies upon contact.
Fire Mind
257
Flaming tears
Grants flaming tears that deal burning damage over time. Tears have a chance to explode on impact with an enemy, which creates a fire at the location of the explosion.
Missing No.
258
Syntax error
Randomizes all passive items upon pickup and at the start of each succeeding floor.
Dark Matter
259
Fear shot
Increases Damage by 1 and adds a chance to shoot fear tears.
Black Candle
260
Curse immunity + evil up
Prevents curses. Grants one black heart. Increases the chance for a Devil or Angel Room to appear.
Proptosis
261
Short range mega tears
Tears start out massive with high damage, and then shrink down and become weaker over a short range.
Missing Page 2
262
Evil up. Your enemies will pay!
Gives 1 black heart. Upon taking damage that reduces Isaac’s health to one heart or less, activates The Necronomicon effect, dealing 40 damage to all enemies in the room.
Smart Fly
264
Revenge fly
After Isaac takes damage, this fly will deal continuous touch damage to whatever enemy caused the damage until it is dead. The fly will then systematically attack 1 enemy at a time until the room is cleared.
Dry Baby
265
Immortal Friend
Spawns a familiar that follows Isaac around and blocks enemy projectiles. Upon blocking a shot it has a chance of triggering The Necronomicon effect.
Juicy Sack
266
Sticky babies
A familiar that follows behind Isaac. It drips a trail of creep, which slows enemies, and spawns 1-2 blue spiders after each room.
Robo-Baby 2.0
267
We worked out all the kinks
Fires lasers at any enemy in its line of sight and moves based on the direction Isaac is firing tears.
Rotten Baby
268
Infested friend
A familiar that spawns blue flies.
Headless Baby
269
Bloody Friend
Familiar that follows Isaac, leaving blood creep on the ground.
Leech
270
Blood sucker
Spawns a friendly familiar leech on the ground that hunts down enemies and heals you for half a heart each time it eats one.
Mystery Sack
271
?
Spawns a familiar that follows Isaac around and has a chance to drop a heart, coin, bomb, or key after clearing a room.
BBF
272
Big Beautiful Fly
Spawns a familiar that flies around the room in a manner similar to the Boom Fly and explodes on contact with an enemy. Respawns after ten seconds.
Bob’s Brain
273
Explosive thoughts
Spawns a familiar that charges forward when shooting tears, explodes upon contact with an enemy and poisons them. Respawns after few seconds.
Best Bud
274
Sworn protector
When hit, summons a white attack fly similar to Distant Admiration for the current room.
Lil Brimstone
275
Evil Friend
A Familiar that shoots a small Brimstone beam. Must charge like the Brimstone Item before shooting.
Isaac’s Heart
276
Protect It
Isaac himself is now immune to all damage, and a heart familiar appears and follows Isaac. If the heart is hurt, Isaac is hurt.
Lil Haunt
277
Fear him
A familiar that damages enemies by chasing them as well as inducing the fear effect.
Dark Bum
278
He wants to take your life
Spawns a familiar that follows Isaac around and collects red hearts. For every one-and-a-half red hearts collected, Dark Bum will generate one soul heart, one hostile Spider or one friendly blue spider.
Big Fan
279
Fat protector
Spawns a large orbital familiar that blocks enemy projectiles and deals slight contact damage to enemies.
Sissy Longlegs
280
She loves you
Wanders about the room, occasionally spawning blue spiders.
Punching Bag
281
Scape Goat
Spawns a Mulligan Familiar that will wander the room randomly. Enemies will attack the Mulligan if it’s closer.
Taurus
299
Speed down + rage is building
Speed down, gains speed while in a room with enemies until gaining My Little Unicorn effect for a few seconds.
Aries
300
Ramming speed
+0.25 Speed. Running into enemies while at a high speed will deal 18 points of damage. Does not prevent contact damage.
Cancer
301
HP up + you feel protected
Adds 3 soul hearts. Grants The Wafer effect for the current room upon taking damage.
Leo
302
Stompy
Allows you to crush rocks when you walk over them.
Virgo
303
You feel refreshed and protected
Grants a chance to trigger the Book of Shadows effect upon taking damage, creating a shield that nullifies all types of damage for 10 seconds. Also converts “bad pills” into “good pills”.
Libra
304
You Feel Balanced
Gives 6 coins, 6 bombs and 6 keys and balances out all attributes.
Scorpio
305
Poison tears
Grants poison tears, which deal damage over time when inflicted.
Sagittarius
306
Penetrative shot + speed up
Increases speed by +0.2 and grants piercing tears.
Capricorn
307
All stats up
All stats up.
Aquarius
308
Trail of tears
A trail of blue creep is left behind Isaac, which damages enemies.
Pisces
309
Tears up + knock-back shots
-1 Tear Delay, adds knock-back shots and increases tear size.
Eve’s Mascara
310
Shot speed down + DMG up
Doubles damage, halves tears stat, and greatly reduces shot speed.
Judas’ Shadow
311
Sweet revenge
Adds an extra life; upon death, it respawns Isaac as Black Judas with only two black hearts.
Maggy’s Bow
312
HP up + you feel healthy
Gives one heart container and doubles the healing provided by red hearts.
Holy Mantle
313
Holy shield
Automatically negates first taken damage in every room.
Thunder Thighs
314
HP up + speed down + you feel stompy
Destroys rocks upon contact with Isaac. Adds one heart container, and lowers Speed.
Strange Attractor
315
Magnetic tears
Pickups, trinkets and monsters are magnetically attracted to Isaac’s tears.
Cursed Eye
316
Cursed charge shot
Grants charged tears that can be fired in a tight burst of four. Getting hit while charging will teleport Isaac into another room.
Mysterious Liquid
317
Toxic Splash Damage
Tears leave a small, short lasting pool of creep on impact or when their range is depleted.
Gemini
318
Conjoined friend
Suture becomes attached to Isaac, and does touch damage to enemies within its attacking range.
Cain’s Other Eye
319
Near sighted friend
Spawns a familiar that floats slowly around the room on a zig-zag pattern similar to The Peeper and shoots normal tears in the same direction as Isaac.
???’s Only Friend
320
Controlled friend
Summons a big attack fly that can be controlled with the shooting direction-keys.
Samson’s Chains
321
The ol’ ball and chain
Pull a chain and ball behind you that will damage enemies on contact and is able to break stones.
Mongo Baby
322
Mongo Friend
Summons a familiar that copies the tears of Isaac’s other familiars.
The Polaroid
327
Fate Chosen
If the character has half a red heart or no red hearts after taking damage, it triggers the Book Of Shadows effect, creating a shield that nullifies all types of damage for 5 seconds. Also allows entrance into The Chest.
The Negative
328
Fate Chosen
If the character has half a red heart or no red hearts after taking damage, it triggers The Necronomicon effect, damaging all enemies in the room. Also allows entrance into the Dark Room.
The Ludovico Technique
329
Controlled Tears
Instead of firing tears, Isaac controls one floating tear that hover over obstacles. This tear deals constant damage when held in place over an enemy.
Soy Milk
330
DMG Down + Tears Way Up
Tears shrink and do much less damage, but fire in very rapid succession.
Godhead
331
God tears
Increases damage and range while reducing tears and shot speed. Grants homing tears and tears gain a damaging halo.
Lazarus’ Rags
332
Eternal Life?
Upon dying, resurrect as Revived Lazarus with one heart container and Anemic item.
The Mind
333
I know all
Grants the combined effects of the Blue Map, Treasure Map and The Compass, revealing the floor layout and all special rooms, including Secret Rooms and Super Secret Rooms.
The Body
334
I feel all
Adds 3 heart containers.
The Soul
335
I am all
Grants two soul hearts. Isaac now repels enemy projectiles.
Dead Onion
336
Toxic aura tears
Grants piercing and spectral tears. Increases tear size (without increasing damage) while greatly reducing range and shot speed.
Broken Watch
337
I think it’s broken
Chance upon entering a room to slow down or speed up every enemy and their attacks. The chance to slow enemies is quite higher than the chance to speed them up.
Safety Pin
339
Evil + range + shot speed up
Increases range and shot speed, while adding 1 Black Heart.
Caffeine Pill
340
Speed up + size down
Increases speed and reduces character size. Also gives a random pill.
Torn Photo
341
Tears + shot speed up
Tears + Shot speed up.
Blue Cap
342
HP + tears up + shot speed down
Grants 1 heart container and increases tears, but decreases shot speed.
Latch Key
343
Luck up
Increases Luck by 1, grants 1 Soul Heart and spawns 2 Keys.
Match Book
344
Evil up
Grants Isaac 1 Black Heart and 3 bombs. Can also give troll bombs.
Synthoil
345
DMG up + range
Increases damage by 1, range by 5.25, and tear height by 0.5.
A Snack
346
HP up
Adds 1 heart container.
Toxic Shock
350
Mass poison
Upon entering a room, poisons all enemies, dealing double Isaac’s tear damage. Killing enemies leaves a small, short lasting pool of green creep on the ground.
Bomber Boy
353
Explosive blast!
+5 bombs. Isaac’s bombs will now explode in a large cross-shaped pattern (roughly 5 bombs explosions wide). This also affects troll bombs.
Crack Jacks
354
Don’t swallow the prize!
Adds one heart container and drops a random trinket.
Mom’s Pearls
355
Range + luck up
+1.25 Range Up. +0.5 Tear Height. +1 Luck Up.
Car Battery
356
Double charge!
Causes Isaac’s activated item to activate twice on each use.
The Wiz
358
Double wiz shot!
Tears simultaneously fire out of both eyes diagonally, similar to the effect of the R U A Wizard? pill. Isaac’s tears also travel above all obstacles.
8 Inch Nails
359
Stick it to ’em!
+1.5 Damage Up. Replaces Isaac’s tears with nails, which have increased knockback.
Incubus
360
Dark friend
A demonic familiar that follows Isaac and shoots tears identical to Isaac’s in terms of damage, range, fire rate, and effects.
Fate’s Reward
361
Your fate beside you
A blue head familiar that will follow Isaac and fire tears copying his tear effects and damage.
Lil Chest
362
What’s in the box?
Spawns a chest familiar that follows Isaac and drops a random pickup every few rooms.
Sworn Protector
363
Protective friend
An orbital angel which does 7 contact damage per tick and blocks enemy shots. When it blocks a shot, it has a very small chance to drop an eternal heart.
Friend Zone
364
Friendly fly
A white orbiting fly which deals 3 contact damage per tick to enemies. This familiar orbits Isaac at a middle length distance somewhere between Distant Admiration and Forever Alone.
Lost Fly
365
Lost protector
A familiar fly that moves in a straight line and attaches itself to the first obstacle or wall it comes into contact with in each room. If any enemies walk into its path, it will deal 7 contact damage per tick. If the obstacle it is attached to is destroyed then it will continue rolling in the direction it was previously travelling until it meets another wall or obstacle.
Scatter Bombs
366
‘We put bombs in your bombs!’
Adds 5 bombs. Isaac’s bombs explode into 2-4 tiny bombs
Sticky Bombs
367
Egg sack bombs!
+5 bombs. Bombs stick to enemies and spawn 2-4 blue spiders if they kill an enemy.
Epiphora
368
Intensifying tears
Shooting in one direction increases Isaac’s rate of fire until the cap is reached. As soon as Isaac changes direction or stops shooting, rate of fire is reset to its normal amount.
Continuum
369
Transcendent tears
+2.25 Range Up. +1.5 Tear Height. Isaac’s tears travel through walls and appear out of the opposite wall. Isaac’s tears also travel over rocks and objects.
Mr. Dolly
370
Range + tears up
Tears and Range up. Spawns 3 random types of hearts on the floor when picked up.
Curse of the Tower
371
You feel cursed…
Causes Isaac to spawn 6 troll bombs on the floor every time he gets hit, similar to the Anarchist Cookbook mechanic.
Charged Baby
372
Bbbzzzzzt!
A familiar baby that drops a battery every 4 rooms. Has a small chance to freeze all enemies in the room when hit.
Dead Eye
373
Accuracy brings power!
Isaac’s damage increases each time an enemy is hit. Damage is reset upon missing a shot.
Holy Light
374
Holy shot!
Isaac has a random chance to fire a Holy tear, which when it hits an enemy, will spawn a Crack the Sky style light beam on the same enemy, dealing damage.
Host Hat
375
Nice hat!
A host familiar that sits on Isaac’s head and has a random chance to block enemy shots and retaliate with 3 tears. Grants immunity to explosions.
Restock
376
Never ending stores!
Causes shops to instantly restock their items when they are bought. Granted by default for every character in Greed Mode.
Bursting Sack
377
Spider love
Spider enemies no longer target or deal contact damage to Isaac.
No. 2
378
Uh oh…
Continuously firing tears for several seconds causes Isaac to drop a Butt Bomb. Butt Bombs explode for 50 damage like normal bombs, but also deal 10 damage to all enemies in the room and daze them for a short period of time.
Pupula Duplex
379
Wide shot
Transforms Isaac’s tears into a wide arc shape which gives them a much larger hitbox. Gives Isaac spectral tears which allows them to travel through objects in the environment (i.e. rocks).
Pay to Play
380
Money talks
This item turns all doors that require a key into doors which need a coin to enter instead. This affects shops, item rooms, libraries and other key doors.
Eden’s Blessing
381
Your future shines brighter
Tears up. Grants a random item at the start of the next run.
Lil Gurdy
384
A gurd of your own!
Gives Isaac a Gurdy familiar that will charge around the room dealing contact damage to enemies. Lil Gurdy is charged by holding down a fire button and letting go. The longer the button is held, the faster Lil Gurdy will fling itself across the screen. Lil Gurdy can pass over objects and obstacles in the room.
Bumbo
385
Bumbo want coin!
Spawns a beggar familiar which floats around the room and picks up any nearby coins, leveling up after collecting several coins. At level 2, Bumbo gains a body. At level 3, it begins to fire tears. At level 4, Bumbo chases enemies slowly, dealing contact damage.
Censer
387
Peace be with you
Gives Isaac a golden censer familiar which creates a huge aura of light that slows down any enemies and enemy shots inside it.
Key Bum
388
He wants your keys!
Spawns a portable key master that follows Isaac and collects keys, giving random chests in return.
Rune Bag
389
Rune generator
A bag that follows Isaac and drops a random mystic rune every 3 rooms.
Seraphim
390
Sworn friend
An angel familiar which follows Isaac and fires homing tears which deal 10 damage at -25% shot speed and a reduced fire rate.
Betrayal
391
Turn your enemy
Every time Isaac takes damage, a charm effect is applied to every enemy in the room, causing them to attack each other rather than Isaac.
Zodiac
392
The heavens will change you
Zodiac will give Isaac a random zodiac item effect that changes after every floor.
Serpent’s Kiss
393
The kiss of death
Tears now have a random chance to apply a poison effect, causing 4 or 6 damage per tick to enemies (Similar to The Common Cold item). Isaac now deals poison damage on contact with enemies similar to The Virus item (Damage over time 4 or 6 per tick). Enemies that were poisoned have a chance to drop a black heart when killed.
Marked
394
Directed tears
Isaac will now fire tears automatically directed at a red target on the ground which is controlled by the player. This allows for a full 360 degree tear firing radius. Can be overridden by other tear modifiers such as Mom’s Knife or Brimstone.
Tech X
395
Laser ring tears
Tears are replaced with laser rings that pierce through enemies and deal damage to enemies within them. Can be charged to increase the size of the ring.
Tractor Beam
397
Control your tears
Isaac emits a beam from his face. Isaac’s tears travel in the path of the beam.
God’s Flesh
398
Shrink shot
Tears now have a random chance to apply a shrinking effect, causing enemies to shrink in size and also run away from Isaac. Shrunk enemies can be crushed and killed by walking over them
Maw of the Void
399
Consume thy enemy!
+1.0 Damage Up. After continuously firing tears for 2.5 seconds, a red cross appears on Isaac’s head that, upon releasing the fire button, creates a black ring that rapidly deals damage equal to Isaac’s tear damage to any enemies in contact with it.
Spear of Destiny
400
Your destiny
In addition to tears, Isaac now holds a spear in front of him which deals damage equal to 2 times his tear damage, and occasionally inflicts fear. The spear cannot be thrown, but deals damage while it is in contact with an enemy.
Explosivo
401
Sticky bomb shot!
Isaac’s tears have a chance to stick to enemies and explode.
Chaos
402
!!!
Chaos causes items to be chosen from random item pools. When picked up, drops between 1-6 random pickups on the floor.
Spider Mod
403
Mod buddy!
Displays Isaac’s tear damage and enemy health bars. Spawns a gray spider familiar that wanders around and inflicts a random status effect on any enemies it comes into contact with. Occasionally spawns a blue spider upon clearing a room.
Farting Baby
404
It farts!
A familiar that follows Isaac and blocks tears. If a tear hits Farting Baby, there is a high chance for it to fart, which will either knock back, poison, or charm all nearby enemies.
GB Bug
405
Game breaking bug, right away!
A glitch familiar that bounces around the room and applies a random status effect to any enemies it comes into contact with and has a chance to re-roll pickups that it passes over.
Purity
407
Aura stat boost
This item will boost one of Isaac’s stats depending on the color of the aura around him. The aura will disappear upon taking damage and will reappear with a random color upon entering a new room. A red aura boosts damage, a blue aura boosts rate of fire, a yellow aura boosts speed, and an orange aura boosts range.
Athame
408
Call to the void
Whenever Isaac takes damage, a black ring briefly appears around Isaac, dealing damage to all nearby enemies.
Empty Vessel
409
I reward an empty vessel
While Isaac has no red hearts, this item grants flight and a random chance to activate an invincibility shield for a few seconds. If Isaac gains any red hearts, these benefits will disappear.
Evil Eye
410
Eye shot!
While firing tears, Isaac has a chance to fire an eye across the screen with a very slow shot speed, which will fire tears of its own in the same direction as Isaac. The eye will be destroyed if it comes into contact with an enemy or obstacle
Lusty Blood
411
Their blood brings rage!
Each time Isaac kills an enemy, Isaac’s damage increases for the current room.
Cambion Conception
412
Feed them hate
After taking damage a certain amount of times, a permanent demonic familiar spawns.
Immaculate Conception
413
Feed them love
Upon picking up a certain amount of health, spawn a permanent angelic familiar.
More Options
414
There are even more options!
Two items spawn in every Treasure Room. Only one can be taken; the other will disappear.
Crown of Light
415
The untainted gain power
Gives Isaac a crown that glows blue when active, and turns gray when inactive. While Isaac has no empty red heart containers, Isaac’s tears are replaced with blue diamond tears that deal double damage. Regardless of health, the crown will deactivate for the current room when Isaac takes damage.
Deep Pockets
416
More stuff to carry!
Allows Isaac to carry two cards or pills (or a combination of both) at the same time.
Succubus
417
Damage booster
Spawns a flying familiar that bounces around the room with a black aura, dealing rapid damage to any enemies inside it. While standing in the aura, Isaac gains a 1.5x tear damage multiplier.
Fruit Cake
418
Rainbow Effects!
Isaac’s tears gain a random effect that changes every shot.
Black Powder
420
Spin the black circle!
Isaac leaves a trail of black powder on the floor. Walking in a circle will spawn a pentagram symbol on the floor, which deals 10 damage per tick to any enemies inside it.
Circle of Protection
423
Protect me from myself
Surrounds Isaac with a large white halo around him that pulsates. With each pulse, the halo deals contact damage to enemies equal to Isaac’s damage. Each pulse also converts any enemy shots touching the ring into friendly purple homing tears.
Sack Head
424
More sacks!
Greatly increases the chance to find sacks.
Night Light
425
Scared of the dark?
A cone of light shines in the direction Isaac is moving that slows enemies and enemy shots.
Obsessed Fan
426
Follows my every move…
A purple fly familiar that follows Isaac’s movements on a 3 second delay and deals contact damage to enemies.
PJs
428
You feel cozy
Adds 4 Soul Hearts and fully restores Isaac’s red health.
Head of the Keeper
429
Penny tears!
Isaac’s tears become coins and now have a chance to drop pennies on the floor upon successfully hitting an enemy.
Papa Fly
430
Turret follower
A blue fly familiar follows Isaac’s movements on a 3 second delay. Papa Fly will fire tears at nearby enemies.
Multidimensional Baby
431
ydduB Buddy
Spawns a familiar that will follow Isaac’s movements on a 2.5 second delay. Tears that pass through the baby will be doubled and increase in speed.
Glitter Bombs
432
Prize Bombs!
Gives Isaac 5 bombs, and makes Isaac’s bombs have a chance to drop random pickups or charm enemies when they explode.
My Shadow
433
Me! And my shaaaadow!
Each time Isaac takes damage, inflicts fear on all enemies in the room and spawns a black Charger familiar that will attack enemies. The Charger will be killed if it is damaged too much.
Lil’ Loki
435
4-way buddy!
A Loki familiar that follows Isaac and shoots 4 tears in a cross pattern.
Milk!
436
Don’t cry over it…
A glass of milk follows Isaac and spills on the floor upon taking damage. After the milk spills, Isaac’s tear delay is decreased by 2 for the rest of the room.
Binky
438
Memories…
Tears up, adds 1 soul heart, and decreases Isaac’s size.
Kidney Stone
440
Matt’s kidney stone
Randomly while firing tears, Isaac will stop firing and turn red, where he will charge and release a lot of ‘tears’ in one go. In the burst of tears is a kidney stone which deals a lot of damage.
Dark Prince’s Crown
442
Loss is power
Increases range, tears, and shot speed when at exactly one red heart.
Apple!
443
Trick or treat?
Increases tears. Adds a chance to fire a high-damage razor blade.
Lead Pencil
444
He’s a bleeder!
After every 15 tears fired, Isaac will fire a high-damage cluster of tears.
Dog Tooth
445
Bark at the moon!
Increases damage and speed. Upon entering a room adjacent to a secret room, a howl sound effect will play.
Dead Tooth
446
Halitosis
While firing, Isaac gains a green aura that poisons nearby enemies.
Linger Bean
447
Crying makes me toot
Adds a chance to fire a gas cloud that damages nearby enemies.
Shard of Glass
448
Blood and guts!
Upon taking damage, Isaac has a chance to drop a full red heart, gain 5 range, and leave a trail of damaging red creep for the current room.
Metal Plate
449
It itches…
Adds a chance to reflect enemy shots. Grants one soul heart.
Eye of Greed
450
Gold tears!
Adds a chance to fire tears that temporarily stun enemies and turn them into gold. Any enemy killed while in this state will drop coins.
Tarot Cloth
451
I see the future
Drops a random card or rune. Doubles the effects of cards and runes.
Varicose Veins
452
I’m leaking…
Taking damage releases a ring of 10 high damage tears.
Compound Fracture
453
Bone tears!
Increases range. Tears turn into bones, which shatter into 1-3 bone shards upon hitting an enemy or obstacle.
Polydactyly
454
Hold me!
Allows Isaac to carry two cards, pills, or any combination of both at the same time. Drops a random card or pill.
Dad’s Lost Coin
455
I remember this…
Increases range by 1.5. Drops a lucky penny. Other Effects Unknown
Moldy Bread
456
Midnight snack!
Grants a heart container.
Cone Head
457
Hard headed!
Grants a soul heart. Adds a chance to block enemy shots.
Belly Button
458
What’s in there?
Drops a random trinket. Grants an extra trinket slot.
Sinus Infection
459
Booger tears!
Adds a chance to fire a booger which sticks to enemies and poisons them.
Glaucoma
460
Blind tears!
Adds a chance to shoot concussive tears, causing enemies to walk around randomly.
Parasitoid
461
Egg tears!
Adds a chance to fire an egg sack which spawns slowing creep and spawns a blue fly or spider upon hitting an enemy.
Eye of Belial
462
Possessed tears!
Grants piercing tears. After piercing one enemy, tears start homing and deal double damage.
Sulfuric Acid
463
Acid tears!
Increases damage. Adds a chance to fire acidic tears which can destroy obstacles.
Glyph of Balance
464
A gift from above
Grants 2 soul hearts and modifies drops from Champion Monsters based on certain conditions.
Analog Stick
465
360 tears!
Tears up. Allows Isaac to fire tears diagonally.
Contagion
466
Outbreak!
The first enemy killed in a room explodes and poisons nearby enemies. Poisoned enemies will also explode upon death.
Finger!
467
Watch where you point that!
Spawns a finger familiar that points at enemies, dealing constant damage.
Shade
468
It follows
Spawns a shadow familiar that follows Isaac’s movements on a 1 second delay and deals contact damage to enemies.
Depression
469
🙁
Spawns a cloud familiar that leaves a trail of tears that damages enemies. Has a chance to spawn damaging beams of light onto enemies that touch the cloud.
Hushy
470
Lil hush!
Spawns a Hush familiar that bounces around the room and deals contact damage. While firing tears, it stops moving.
Lil Monstro
471
Ain’t he cute?
Spawns a familiar that fires clusters of tears. Must be charged before shooting.
King Baby
472
Lord of the dead!
Spawns a familiar that follows Isaac and makes other familiars follow it. While firing tears, it stops moving.
Big Chubby
473
Chub chub
Spawns a familiar that slowly charges forward and damages enemies in its path.
Acid Baby
491
Pills pills pills!
Spawns a familiar that drops random pills every 2 rooms cleared. Upon using a pill, all enemies in the room are poisoned.
YO LISTEN!
492
Yo listen!
Increases luck. Spawns a fairy familiar that points out secret room entrances and tinted rocks.
Adrenaline
493
Panic – power
Increases damage based on how many empty heart containers Isaac has.
Jacob’s Ladder
494
Electric tears
Tears fire sparks of electricity in random directions upon hitting an obstacle or enemy.
Ghost Pepper
495
Flame tears
Adds a chance to shoot a fire that damages enemies and remains in place until it deals enough damage or the room is left.
Euthanasia
496
Needle shot
Adds a chance to fire needles. If a needle kills an enemy, it bursts into more needles.
Camo Undies
497
Camo kid
Isaac becomes camouflaged at the beginning of each room. Enemies will not attack Isaac until he starts firing tears.
Duality
498
You feel very balanced
Whenever a Devil or Angel Room would spawn after defeating a boss, both rooms spawn. Only one can be entered.
Eucharist
499
Peace be with you
An Angel Room door will always spawn after every boss fight, excluding the first floor and floors after Utero II/Womb II.
Sack of Sacks
500
Gives Sacks!
Spawns a sack familiar that has a chance to drop a sack upon clearing a room.
Greed’s Gullet
501
Money = Health!
Grants a heart container for every 25 coins Isaac has.
Large Zit
502
Creep shots
Adds a chance to fire a creep shot that deals double damage and leaves a trail of slowing white creep.
Little Horn
503
Science!
Adds a chance to fire a piercing tear that instantly kills any enemy that it touches.
Poke Go
505
Gotta catch em…
Upon entering a room with enemies in it, has a chance to spawn a random charmed enemy that persists across rooms.
Backstabber
506
Watch your back!
Has a chance to fire tears that inflict bleeding on enemies, causing them to slowly take damage over time.
Mom’s Razor
508
It’s sharp!
Spawns an orbiting razor that damages enemies it touches and inflicts bleeding on enemies, causing them to slowly take damage over time.
Bloodshot Eye
509
Bloody friend
Spawns an orbiting eye familiar that fires tears every 2 seconds.
Angry Fly
511
He’s violent
Spawns a fly familiar that orbits around a random enemy and deals 2 damage per tick to enemies it comes in contact with.
Bozo
513
Party time!
Increases damage by a flat 0.1 and grants a soul heart. Enemies can randomly become briefly charmed or feared. Taking damage has a chance to spawn a rainbow poop.
Broken Modem
514
LAG!
Enemies, enemy shots, tears, and pickups will briefly freeze in place at random intervals.
Fast Bombs
517
Faster bomb drops!
Grants 7 bombs and allows bombs to be placed rapidly.
Buddy in a Box
518
What could it be?!
Grants a familiar with a random tear effect. The familiar is randomized at the start of each floor.
Lil Delirium
519
He’s delirious
Grants a familiar that transforms into another random familiar every 10 seconds.
Jumper Cables
520
Bloody Recharge!
Grants an active item charge every 15 enemies killed.
Technology Zero
524
Static tears!
Connects Isaac’s tears with electricity that can damage enemies.
Leprosy
525
You’re tearing me apart!
Upon taking damage, grants a body part as an orbital, which blocks enemy shots and deals 7 damage per tick to enemies it comes in contact with. The orbitals will be destroyed if they take enough damage from enemies or enemy shots.
7 Seals
526
Lil Harbingers!
Grants a random Harbinger familiar that changes every 10 seconds.
Angelic Prism
528
Eclipsed by the moon
Grants a prism orbital with a large orbital radius. Tears that pass through the prism split into four multi-colored tears.
Pop!
529
Eyeball tears!
Replaces Isaac’s tears with eyeballs that can bounce off of each other. The eyeballs are not limited by range, and will instead dissipate when they stop moving or when hitting an enemy or obstacle.
Death’s List
530
Just hope you’re not next…
Grants a reward if all enemies in a room are killed in the order they are marked.
Haemolacria
531
I’m seeing red…
Tears are now fired in an arc. Upon hitting the floor, an obstacle, or an enemy, they burst into many smaller tears in all directions. Increases tear delay.
Lachryphagy
532
Feed them!
Isaac’s tears decelerate as they travel. Upon stopping or hitting an obstacle, they burst into 8 tears in all directions. Tears can be fired into other tears to feed them, increasing their damage.
Trisagion
533
Smite thy enemy
Tears are replaced with piercing white blasts of light.
Schoolbag
534
Extra active item room
Allows Isaac to hold two active items.

All Trinkets

Name
ID
Icon
Quote
Description
Swallowed Penny
1
Gulp!
Upon taking damage, Isaac drops a penny.
Petrified Poop
2
It feels lucky?
Greatly increases the chances of a pickup dropping when destroying poop.
AAA Battery
3
Trickle charge
Automatically recharges the last energy slot of an activated item, effectively reducing recharge rates by one.
Broken Remote
4
It’s broken
Triggers the Teleport effect whenever an activated item is used.
Purple Heart
5
Challenge up
Increases chance for challenge rooms to be boss challenge rooms / Causes more enemy champions to spawn.
Broken Magnet
6
‘It kinda works!’
Pulls coins towards Isaac, but ignores other pickups.
Rosary Bead
7
Faith up
Increases the chance of Angel Rooms and Eternal Hearts appearing.
Cartridge
8
I remember these
Chance to trigger The Gamekid effect upon taking damage.
Pulse Worm
9
Wub wub!
Shots pulse in size.
Wiggle Worm
10
Wiggle waggle!
Gives Isaac’s shots a wave-like trajectory.
Ring Worm
11
Woop woop
Gives Isaac spinning shots.
Flat Worm
12
Blub blub!
Isaac’s tears take on an oblong appearance. They also push enemies back.
Store Credit
13
YES!
The next store purchase is free. The trinket disappears on purchase.
Callus
14
Your feet feel stronger
Prevents damage from creep and spikes.
Lucky Rock
15
There’s something inside it
Each obstacle destroyed drops one coin.
Mom’s Toenail
16
???
Mom’s foot randomly stomps down somewhere in the room. 1 minute intervals.
Black Lipstick
17
Evil Up
Increases the chance of Black Hearts appearing.
Bible Tract
18
Faith up
Increases chance for Eternal Hearts to spawn.
Paper Clip
19
Master of lockpicking
Golden Chests can be opened without using a key.
Monkey Paw
20
Wish granted
If the character has half a heart after taking damage, it drops a Black Heart. The effect can trigger up to three times, after which the trinket will disappear.
Mysterious Paper
21
???
Has a chance to replicate the effects of A Missing Page, The Polaroid, The Negative, or Missing Poster.
Daemon’s Tail
22
Evil up
Most non-specific heart drops become black hearts, but heart drops are significantly less common.
Missing Poster
23
???
If Isaac dies in a Sacrifice Room, a puzzle piece will appear on his last will ( and unlocks The Lost). Revives Isaac as The Lost if unlocked. The Missing Poster then disappears.
Butt Penny
24
Wealth of gas
Isaac will fart when he picks up a coin.
Mysterious Candy
25
Uh-oh!
Isaac farts or poops at random intervals. Getting hit can also trigger the effect.
Hook Worm
26
Zip zoop!
Tears move shifting left to right forming a path of right angles. +10 to Range (effective range remains about the same).
Whip Worm
27
Wooosh!
Increases shot speed by 0.5, increasing effective range.
Broken Ankh
28
Eternal life?
When held, Isaac has a chance to be revived as ???. Can occur multiple times in the same run.
Fish Head
29
It stinks
Spawns a blue fly every time Isaac takes damage.
Pinky Eye
30
Poison shots
Adds a 10% chance to shoot a poison tear, dealing damage over time when inflicted.
Push Pin
31
Piercing shots
Adds a 10% chance to shoot a piercing and spectral tear.
Liberty Cap
32
Touch Fuzzy Get Dizzy
Grants a chance of triggering Mini Mush, Odd Mushroom (Large), Odd Mushroom (Thin) or The Compass effects for the current room upon entering it.
Umbilical Cord
33
Fetal Protection
When Isaac’s health is brought to half a red heart and no soul hearts, a Little Steven familiar spawns for the current room.
Child’s Heart
34
It calls out to its brothers.
Increases the chance of a Heart dropping after clearing a room, and the chance of finding a Heart when opening a Chest.
Curved Horn
35
DMG up
Increases damage by 2.
Rusted Key
36
It feels lucky?
Improves the chances of finding keys and golden chests.
Goat Hoof
37
Speed up
Increases speed by 0.15.
Mom’s Pearl
38
It emanates purity
Grants a secondary 10% chance of any non-specific Heart drop turning into a Soul Heart.
Cancer
39
Yay, cancer!
-2 Tear Delay (effectively increases firerate of tears).
Red Patch
40
Your rage grows
Grants a chance of increasing damage by 1.8 for the current room upon taking damage.
Match Stick
41
Tastes like burning
Increases the chance of Bombs dropping after clearing a room, and the chance of finding Bombs when opening a Chest.
Lucky Toe
42
Luck up!
Increases Luck by 1.
Cursed Skull
43
Cursed?
If Isaac has less than one full red heart after taking damage, he will be immediately teleported to the last cleared room he was in.
Safety Cap
44
Don’t swallow it
Improves the chance of Pills dropping after clearing a room, and chance of finding a Pill when opening a Chest.
Ace of Spades
45
Luck of the draw
Increases the chance of tarot cards or playing cards dropping after clearing a room, and the chance of finding cards when opening a chest.
Isaac’s Fork
46
‘Consume Thy Enemy’
A chance to heal Isaac for 1/2 a red heart upon clearing a room.
A Missing Page
48
It glows with power
5% chance to induce The Necronomicon’s effect upon taking damage.
Bloody Penny
49
Wealth of health
Gives a 50% chance to drop a half heart when money is collected.
Burnt Penny
50
Wealth of chaos
Gives a 50% chance to drop a bomb when money is collected.
Flat Penny
51
Wealth of answers
Gives a 50% chance of spawning a key upon collecting a penny.
Counterfeit Penny
52
Wealth of wealth
Gives a 50% chance of increasing the value of every coin pickup by one.
Tick
53
Well, that’s not coming off
Drain 15% health of each enemy with more than 60 HP (ie. most bosses). Also restores one red heart of Isaac whenever he enters an uncleared boss room. The Tick cannot be swapped out for another trinket.
Isaac’s Head
54
Dead friend
Gives the player Isaac’s severed head as a tear-firing familiar. Fires piercing tears.
Maggy’s Faith
55
Faith’s reward
Gives an eternal heart at the start of every floor.
Judas’ Tongue
56
Payment Received
Items in the Devil Room only cost 1 heart. Soul heart trades still cost 3 Soul hearts.
???’s Soul
57
Imaginary Friend
Spawns a familiar that floats slowly around the room on a pattern similar to The Peeper and fires spectral and homing tears.
Samson’s Lock
58
Your rage grows
1/15 chance to increase damage by 0.5 for the current room each time an enemy dies.
Cain’s Eye
59
May you see your destination
When starting a floor, 25% chance to get the The Compass effect for the duration of a floor.
Eve’s Bird Foot
60
Revenge from beyond
5% chance to spawn a Dead Bird familiar for the current room each time an enemy dies.
The Left Hand
61
The left-hand path reaps dark rewards
Replaces brown chests and golden chests with red chests.
Shiny Rock
62
It shines for its brothers
Tinted rocks and rocks with Crawl Spaces will flash white every 10 seconds.
Safety Scissors
63
Fuse Cutter
Troll bombs turn into Bomb pickups before they explode. Mega troll bombs turn into 1+1 free bombs before they explode.
Rainbow Worm
64
Bleep Bloop Blop
Isaac’s tears gain a random worm effect that changes every 3 seconds.
Tape Worm
65
Floooooooooop!
Doubles Isaac’s range and halves his tear height.
Lazy Worm
66
Pft
Tear shot speed is greatly reduced.
Cracked Dice
67
You feel cursed… kinda.
Whenever Isaac gets hit, there is a chance that the effect of The D6, D8, D12, or D20 gets activated.
Super Magnet
68
It Pulls
Pulls enemies and pickups towards Isaac.
Faded Polaroid
69
You feel faded
Occasionally causes Isaac to blend into the ground, which briefly confuses all enemies in the room.
Louse
70
Itchy, tasty…
Occasionally spawns a Blue Spider.
Bob’s Bladder
71
Creepy bombs
Leaves a pool of green creep under all bombs Isaac places, which damages enemies that walk over it.
Watch Battery
72
Lil charge
Increased chance of batteries spawning. Has a chance to add an extra charge to Isaac’s activated item upon completing a room.
Blasting Cap
73
Pop! Pop!
Exploding bombs have a chance to drop another bomb pickup.
Stud Finder
74
The ground below feels hollow…
Increases the chance to find a Crawl Space.
Error
75
Effect not found?
Gives a random trinket effect each room.
Poker Chip
76
It’s double down time!
Chests have a 50% chance of paying out with extra pickups and a 50% chance of paying out with nothing or enemies.
Blister
77
Bounce back!
Increases knockback of tears.
Second Hand
78
Extended stat effect time!
Increases the time that status effects stay on enemies.
Endless Nameless
79
I’m stuck in a loop…
When Isaac uses a pill, card, or rune, there is a chance to spawn another one of the same type.
Black Feather
80
With darkness comes power
Increases Isaac’s damage for possessing certain evil items.
Blind Rage
81
Blind to damage
Increases invincibility time after getting hit.
Golden Horse Shoe
82
Feel lucky?
+15% chance for a Treasure Room with two items to spawn.
Store Key
83
Stores are open
Automatically opens all Shops.
Rib of Greed
84
Feels greedy
Prevents Greed and Super Greed from appearing in Shops and Secret Rooms.
Karma
85
Karma up
Donating to a Donation Machine has a chance to heal Isaac for a full red heart or spawn a Beggar. Increases the chance that donating to a Donation Machine will increase Isaac’s luck.
Lil Larva
86
The poop is moving…
Spawns a blue fly from every pile of poop Isaac destroys.
Mom’s Locket
87
You feel her love
Grants half a red heart each time a key is used. Converts half red heart pickups into full red hearts.
NO!
88
Never again!
Removes all active items from every item pool.
Child Leash
89
Keep your friends close…
Causes familiars to stay closer to each other.
Brown Cap
90
Fartoom!
Poop will explode after being destroyed.
Meconium
91
Eww
Poop has a chance to turn into black poop.
Cracked Crown
92
Boost stats
Grants extra stat upgrades based on Isaac’s passive items that increase stats. Also grants tears up and -1 tear delay.
Used Diaper
93
You stink
Grants the Skatole effect in some rooms.
Fish Tail
94
It also stinks!
Items and trinkets that generate blue flies or blue spiders will generate twice as many.
Black Tooth
95
It looks dead
Adds a chance to fire a black tooth that poisons enemies.
Ouroboros Worm
96
Foop foop!
Tears travel in a large spiral pattern and become spectral.
Tonsil
97
Sick…
When hit, there is a small chance a removed tonsil familiar starts following Isaac, blocking enemy shots.
Nose Goblin
98
Seems magic…
Chance to fire a booger that sticks to enemies and deals damage over time.
Super Ball
99
Boing!
Makes tears have a chance to bounce off enemies and obstacles.
Vibrant Bulb
100
It needs power
Provides a boost to all stats when Isaac’s active item is fully charged.
Dim Bulb
101
I think it’s broken
Provides a boost to all stats when Isaac’s active item is completely uncharged.
Fragmented Card
102
Double moon
Makes two Secret Rooms spawn on each floor.
Equality!
103
=
Turns pickups into their doubled versions while Isaac’s numbers of coins, bombs and keys are equal.
Wish Bone
104
Make a wish
Taking damage has a small chance to destroy the trinket and spawn a random item.
Bag Lunch
105
I wonder what it is
Taking damage has a small chance to destroy the trinket and spawn Lunch.
Lost Cork
106
Uncorked
Increases the radius of any creep produced by Isaac.
Crow Heart
107
Drain me
Red heart damage will be taken before soul and black heart damage.
Walnut
108
That’s a hard nut to crack!
Taking damage has a small chance to destroy the trinket and spawn various pickups.
Duct Tape
109
Stuck!
Stops Isaac’s familiars from moving.
Silver Dollar
110
Feels lucky…
Shops appear in Chapter 4.
Bloody Crown
111
Drops with blood…
Treasure Rooms appear in Chapter 4.
Pay to Win
112
Restock boxes always spawn in Item Rooms.
Locust of War
113
I bring war
Upon entering a room with enemies, spawns a Red Locust which detonates upon impact with enemies.
Locust of Pestilence
114
I bring pestilence
Upon entering a room with enemies, spawns a Green Locust which damages and poisons enemies.
Locust of Famine
115
I bring famine
Upon entering a room with enemies, spawns a Yellow Locust that damages and slows enemies.
Locust of Death
116
I bring death
Upon entering a room with enemies, spawns a Black Locust that does a very high amount of damage.
Locust of Conquest
117
117
Upon entering a room with enemies, spawns 2-5 White Locusts which damage enemies.
Bat Wing
118
They are growing…
Upon killing an enemy, has a chance to grant flight for the rest of the room.
Stem Cell
119
Regen!
Heals for half a heart upon traveling to the next floor.
Hairpin
120
Poke that power outlet! Bosses charge you
Fully recharges Isaac’s active item upon entering a boss fight.
Wooden Cross
121
My faith protects me
Grants a Holy Mantle shield upon entering a new floor, which protects against one hit of damage.
Butter!
122
Can’t hold it!
Using an active item will drop it onto a pedestal on the ground.
Filigree Feather
123
Angelic Spoils!
Angels drop items instead of key pieces when defeated.
Door Stop
124
Hold the door!
The last door Isaac went through stays open, allowing him to leave the room even if enemies are in it.
Extension Cord
125
Charged friends
Beams of yellow electricity flow between Isaac and his familiars, damaging any enemies between them.

Transformations

Transformations alter Isaac’s appearance and grant him special abilities.

A transformation occurs when obtaining at least three collectibles from a particular set of items.
These collectibles always share a particular theme that corresponds with the transformation.

Transformation
Appearance
Transformation effect
Item
Beelzebub
Flight.

Converts small enemy flies into blue flies.

???’s Only Friend
Angry Fly
BBF
Best Bud
Big Fan
Distant Admiration
Forever Alone
Halo of Flies
Hive Mind
Skatole
Smart Fly
The Mulligan
Infestation
Friend Zone
Lost Fly
Papa Fly
Obsessed Fan
Guppy!
Flight.

Spawns a Blue Fly each time a tear hits an enemy.

Guppy’s Head
Guppy’s Paw
Dead Cat
Guppy’s Collar
Guppy’s Tail
Guppy’s Hair Ball
Bob
Isaac gains a green trail of poisonous creep.
Bob’s Rotten Head
Bob’s Brain
Bob’s Curse
Ipecac
Conjoined
When attacking, the tumor faces shoot tears
diagonally outwards, similar to the effect of The Wiz.

-0.3 damage.

Slightly decreases tears.

Brother Bobby
Harlequin Baby
Headless Baby
Little Steven
Mongo Baby
Rotten Baby
Sister Maggy
Fun Guy
+1 heart container.
God’s Flesh
Mini Mush
Magic Mushroom
Odd Mushroom (Thin)
Odd Mushroom (Large)
1up!
Blue Cap
Leviathan
Flight.

+2 black hearts.

The Nail
The Mark
Missing Page 2
The Pact
Pentagram
Spirit of the Night
Maw of the Void
Abaddon
Brimstone
Oh Crap
Whenever a pile of poop is destroyed,
health is replenished by half a heart.
Flush!
The Poop
E Coli
Seraphim
Flight.

+3 soul hearts.

The Bible
Dead Dove
Guardian Angel
Holy Grail
Holy Mantle
Mitre
Rosary
Sworn Protector
The Halo
Spun
+2 damage.

+0.15 speed.

Spawns a random pill upon transformation.

Adrenaline
Euthanasia
Experimental Treatment
Growth Hormones
Roid Rage
Speed Ball
Synthoil
The Virus
Yes, Mother?
Isaac gains a stationary knife that trails directly
behind him. It synergizes like Mom’s Knife would.
Mom’s Bottle of Pills
Mom’s Bra
Mom’s Pad
Mom’s Wig
Mom’s Eye
Mom’s Purse
Mom’s Contacts
Mom’s Knife
Mom’s Heels
Mom’s Eyeshadow
Mom’s Perfume
Mom’s Key
Mom’s Lipstick
Mom’s Underwear
Mom’s Coin Purse
Mom’s Pearls
Mom’s Razor
Super Bum
Replaces Bum Friend, Dark Bum, and Key Bum
for Super Bum.
He collects any of the other beggars’ pickups,
and offers twice the rewards.
Bum Friend
Dark Bum
Key Bum
Bookworm
Roughly 50% of the time,
Isaac shoots an extra tear, like 20/20.
Anarchist Cookbook
Book of Revelations
Book of Secrets
Book of Shadows
How to Jump
Monster Manual
Satanic Bible
Telepathy for Dummies
The Bible
The Book of Belial
The Book of Sin
The Necronomicon
Spider Baby
Spawns a spider familiar that applies random
status effects to enemies it comes in contact with.
Box of Spiders
Mutant Spider
Spider Baby
Spider Bite
Spider Butt
Spider Mod
Adult
Grants a heart container.
3 Puberty pills
Stompy
None
Taking damage has a chance to spawn rock waves.
Leo
Magic Mushroom
One Makes You Larger pills

Seeds

Miscellaneous
Seed
Description
Effects
BASE
MENT
Infinite basements
The Basement repeats infinitely.
KEEP
AWAY
Tricky pickups
Pickups mimic Isaac’s movements.

G0NE
S00N
Pickups time out
Pickups quickly fade.
FREE
2PAY
F2P version
Isaac starts with 69 coins, but all items and consumables must be bought.
PAC1
F1SM
Pacifism
Enemies do not take damage. All doors stay open. When in a boss room, the boss’s health slowly drains.
C0ME
BACK
Enemies respawn
Enemies, including bosses, respawn once Isaac leaves the room. Completing a room multiple times does not yield additional pickups.

N0RE
TVRN
Point of no return
Boss rooms lock Isaac in similar to the Mom fight.
BRWN
SNKE
Poopy trail
Isaac leaves a trail of poop behind him as he walks.

ALM1
GHTY
Dog mode
Isaac is invincible.
K1DS
M0DE
Kids’ co-op mode
Makes co-op babies invincible.

Curses
Seed
Description
Effects

DARK
NESS
Permanent darkness
Permanent Curse of Darkness.

LABY
RNTH
Inescapable labyrinth
Permanent Curse of the Labyrinth.

L0ST
Hopelessly lost
Permanent Curse of the Lost.

VNKN
0WN
Forever unknown
Permanent Curse of the Unknown.

MAZE
Unending maze
Permanent Curse of the Maze.

BL1ND
Incurable blindness
Permanent Curse of the Blind.

CVRS
ED
Horrible curse
Permanent Curse of the Cursed.

Curse Immunity
Seed
Description
Effects

N1TE
L1TE
Illuminate darkness
Provides immunity to Curse of Darkness.

THRE
AD
Escape the labyrinth
Provides immunity to Curse of the Labyrinth.

F0VND
I once was lost
Provides immunity to Curse of the Lost.

N0W1
KN0W
Know the unknown
Provides immunity to Curse of the Unknown.

PATH
F1ND
Stay out of the maze
Provides immunity to Curse of the Maze.

BRA1
LLE
Heal the blind
Provides immunity to Curse of the Blind.

BLCK
CNDL
Total curse immunity
Provides immunity to all curses.

Damage Modifiers
Seed
Description
Effects
HARD
HARD
Full heart damage
Isaac takes a full heart of damage from all sources.
BRTL
B0NS
Twelve heart damage
Isaac takes twelve hearts of damage from all sources.
D0NT
ST0P
Don’t stop moving
Isaac takes damage if he stops moving.
THEG
H0ST
Damage on a timer
Every 45 seconds, a ticking will begin, and after 5 seconds, Isaac will take 1/2 heart of damage. Damage increases to 1 heart in the womb and below. Having invincibility during the time when damage should be inflicted prevents the damage.
30M1
N1TS
30 minute limit
Gives a time limit of 30 minutes to beat the game. When the timer hits 29:45, a timer starts ticking, and after 30:00, Isaac takes damage every second.

Control Modifiers
Seed
Description
Effects

1CES
KATE
Ice physics
Makes the ground slippery.

BRAV
ERY
Bravery
Isaac fires tears in the same direction that he moves. Removes the normal ability to fire tears.

C0WR
D1CE
Cowardice
Isaac fires tears in the opposite direction that he moves. Removes the normal ability to fire tears.
DRAW
KCAB
Reversed controls
All movement and firing keys are reversed.

AX1S
ALGN
Axis aligned controls
Isaac cannot move diagonally.

Camouflage
Seed
Description
Effects
CAM0
K1DD
Camouflage player
Isaac blends into the ground.
CAM0
F0ES
Camouflage enemies
All enemies blend into the ground.
CAM0
DR0P
Camouflage stuff
Pickups and items blend into the ground.
WH0A
WHAT
Camouflage everything!
Isaac, enemies, pickups, and items all blend into the ground.
1MN0
B0DY
Invisible player
Isaac becomes completely invisible.
BL1N
DEYE
Invisible enemies
All enemies become completely invisible.

Player Appearance
Seed
Description
Effects
THEB
LANK
The blank
Isaac has no face.
KAPPA
Grayscale
Isaac turns gray.
H0H0
H0H0
Christmas
Isaac wears a Christmas hat.
T0PH
EAVY
Big head mode
Isaac’s head is large.
T1NY
D0ME
Tiny head mode
Isaac’s head is small.
PTCH
BLCK
Black body
Isaac and his tears turn completely black.

Visual Effects
Seed
Description
Effects
TEAR
GL0W
Glowing tears
Isaac’s tears glow.
BL00
00DY
Extra gore
Makes a lot more blood appear after enemies die.

HUD Modifiers
Seed
Description
Effects
B00B
T00B
Cathode rays!
Applies a filter that makes the game look like it’s being played through a cathode ray tube.
DYSL
EX1A
Dyslexia
All in-game text is rearranged.
KEEP
TRAK
No HUD
Removes the HUD entirely. This affects the map, health, consumables, held items, pickup text, floor names, and more.
MED1
C1NE
Mystery pills
All pill names and descriptions show ???.
FACE
D0WN
Mystery cards
All card names and descriptions show ???.

Enemy Modifiers
Seed
Description
Effects
CHAM
P10N
Champion enemies Disables achievements
All enemies turn into champions if possible.
Ϲ0CK
FGHT
Charmed enemies Disables achievements
All enemies are permanently charmed.
C0NF
ETT1
Confused enemies Disables achievements
All enemies are permanently confused.
FEAR
M1NT
Scaredy enemies Disables achievements
All enemies are permanently scared.
FRA1
DN0T
Skittish enemies Disables achievements
Every few seconds, all enemies become scared.
CLST
RPH0
Asocial enemies Disables achievements
All enemies are permanently charmed and scared.

Sound Modifiers
Seed
Description
Effects
FART
SNDS
Farty sounds
All sound effects are replaced with farts.
SL0W
4ME2
Movement tempo
Music speed is affected by Isaac’s walking speed.
HART
BEAT
Health tempo
The lower Isaac’s health is, the slower the music is.
ANDA
NTE
Downtempo
Music is slowed down.
LARG
HET0
Downtempo–
Music is significantly slowed down.
ALLE
GR0
Uptempo
Music is sped up.
PRES
T0
Uptempo++
Music is significantly sped up.

Cards and Runes

Major Arcana Cards
When on the ground, these cards look like this:

Name
ID
Icon
Message
Effect
0 – The Fool
1
Where journey begins
Teleports you back to the starting room of a floor.
I – The Magician
2
May you never miss your goal
Grants homing tears for the current room.
II – The High Priestess
3
Mother is watching you
Mom’s dismembered leg is called down to deal 300 damage to anything it stomps. It will always stomp on the enemy with the most health. If used in an empty room or during the fight with Mom, it will stomp Isaac instead.
III – The Empress
4
May your rage bring power
Triggers the ♥♥♥♥♥ of Babylon effect (+1.5 damage, +0.3 speed) for the current room, but without the need for Isaac to have a red heart or less of health.
IV – The Emperor
5
Challenge me!
Teleports Isaac into the Boss Room of a floor.
V – The Hierophant
6
Two prayers for the lost
Spawns 2 Soul Hearts.
VI – The Lovers
7
May you prosper and be in good health
Spawns 2 Red Hearts. If used in a Black Heart or Eternal Heart-containing Super Secret Room, it will spawn those types of hearts instead.
VII – The Chariot
8
May nothing stand before you
Grants the temporary invulnerability effect of My Little Unicorn My Little Unicorn.
VIII – Justice
9
May your future become balanced
Spawns one of each consumable drop (a Red Heart, a Key, a Bomb, and a Penny). Hearts have a chance to spawn as either a Half Red Heart or a Double Heart.
IX – The Hermit
10
May you see what life has to offer
Teleports Isaac to the Shop. If there is no Shop, this will act as a random teleport. If the Shop has not yet been accessed, this card will unlock the door without requiring a key (as long as the player exits through the main entrance).
X – Wheel of Fortune
11
Spin the wheel of destiny
Spawns an Arcade machine (Slot Machine or Fortune Telling Machine).
XI – Strength
12
May your power bring rage
Grants the effect of Magic Mushroom Magic Mushroom (increases all of Isaac’s stats except tears), but adds one (temporary) Red Heart container for the current room as opposed to a permanent one.
XII – The Hanged Man
13
May you find enlightenment
Removes Isaac’s body, allowing him to fly around for the duration of the room (same effect as Transcendence Transcendence).
XIII – Death
14
Lay waste to all that oppose you
Deals 40 damage to all enemies in the room (same effect as The Necronomicon The Necronomicon).
XIV – Temperance
15
May you be pure in heart
Spawns a Blood Donation Machine.
Added in Afterbirth Spawns a Devil Beggar in Greed mode.
XV – The Devil
16
Revel in the power of darkness
Grants Isaac a temporary +2 increase to damage for the current room (same effect as The Book of Belial The Book of Belial).
XVI – The Tower
17
Destruction brings creation
Spawns 6 Troll Bombs randomly around the room (same effect as the Anarchist Cookbook Anarchist Cookbook).
XVII – The Stars
18
May you find what you desire
Teleports Isaac to the Treasure Room. If there is no Treasure Room, this will act as a random teleport. Randomly chooses a Treasure Room on Curse of the Labyrinth. If the Treasure Room has not yet been accessed, this card will unlock the door without requiring a key (as long as the player exits through the main entrance).
XVIII – The Moon
19
May you find all you have lost
Teleports the player to the Secret Room. This card will open one random wall once inside the Secret Room, so you can leave even if you don’t have any bombs available.
XIX – The Sun
20
May the light heal and enlighten you
Restores Isaac’s full health, deals 100 damage to all enemies in the room, and reveals the map for the current floor, except the Super Secret Room.
XX – Judgement
21
Judge lest ye be judged
Spawns a Beggar.
XXI – The World
22
Open your eyes and see
Reveals the entire floor, except for the Super Secret Room. Has no effect if under the effect of Curse of the Lost or Amnesia.

Achievements

Name
Image
Description
Unlock
In Game Secret Number
Magdalene
Unlocked a new character.
Have 7 or more Red Heart containers at one time
1
Cain
Unlocked a new character.
Hold 55 coins at one time
2
Judas
Unlocked a new character.
Defeat Satan
3
The Womb
Chapter 4 – The Womb unlocked.
Defeat Mom
4
The Harbingers
The horsemen are loose.
Defeat Mom
5
A Cube of Meat
Unlocked a new item. (Also unlocks the Ball of Bandages)
Defeat Mom
6
The Book of Revelations
Unlocked a new item.
Defeat a Harbinger
7
A Noose
Unlocked a new item.
Defeat Mom’s Heart 3 times
8
The Nail
Unlocked a new item.
Complete the Boss Rush as Azazel
9
A Quarter
Unlocked a new item.
Defeat Mom’s Heart 8 times
10
A Fetus in a Jar
Unlocked a new item.
Defeat Mom’s Heart 9 times
11
A Small Rock
Unlocked a new item.
Destroy 100 Tinted Rocks
12
Monstro’s Tooth
Unlocked a new item.
Beat chapter 1
13
Lil’ Chubby
Unlocked a new item.
Beat chapter 2
14
Loki’s Horns
Unlocked a new item.
Defeat Lokii
15
Something From The Future
New boss in the basement!
Beat The Basement 40 times
16
Something Cute
New boss in the caves!
Beat chapter 2 30 times
17
Something Sticky
New boss in the depths!
Beat chapter 3 20 times
18
A Bandage
Unlocked a new item.
Make a Super Bandage Girl by picking up 4 Balls of Bandages in one run; see unlocking Super Meat Boy &amp; Super Bandage Girl
19
A Cross
Unlocked a new item.
Defeat Isaac as Magdalene
20
A Bag of Pennies
Unlocked a new item.
Defeat Isaac as Cain
21
The Book of Sin
Unlocked a new item.
Defeat all 7 deadly sins
22
Little Gish
Unlocked a new item.
Defeat Gish
23
Little Steven
Unlocked a new item.
Defeat Steven
24
Little C.H.A.D.
Unlocked a new item.
Defeat C.H.A.D.
25
A Gamekid
Unlocked a new item.
Visit 10 Arcades
26
A Halo
Unlocked a new item.
Defeat Mom, Mom’s Heart or It Lives using The Bible
27
Mr. Mega
Unlocked a new item.
Destroy 10 Tinted Rocks
28
The D6
Isaac now holds the D6!
Defeat Isaac as ???
29
The Scissors
Unlocked a new item.
Die 100 times
30
The Parasite
Unlocked a new item.
Pick up any 2 of the following items in a single run: Bob’s Rotten Head, Dead Cat, Cricket’s Head, Tammy’s Head
31
???
Unlocked a new character.
Defeat Mom’s Heart 10 times
32
Everything Is Terrible!!!
The game just got harder!
Defeat Mom’s Heart 5 times
33
It Lives!
Your future’s past waits.
Defeat Mom’s Heart 11 times
34
Mom’s Contact
Unlocked a new item.
Obtain three Yes Mother? items in one run
35
The Necronomicon
Unlocked a new item.
Use XIII – Death 4 times
36
Basement Boy
Beat basement without taking damage.
Beat chapter 1 without taking damage
37
Spelunker Boy
Beat caves without taking damage.
Beat chapter 2 without taking damage
38
Dark Boy
Beat depths without taking damage.
Beat chapter 3 without taking damage
39
Mama’s Boy
Beat womb without taking damage.
Beat chapter 4 without taking damage
40
Golden God!
You are the best!!
Defeat ??? and The Lamb
41
Eve
Unlocked a new character.
Don’t pick up any hearts for 2 floors in a row
42
Mom’s Knife
Unlocked a new item.
Defeat Satan as Isaac
43
The Razor
Unlocked a new item.
Defeat Satan as Eve
44
Guardian Angel
Unlocked a new item.
Defeat Satan as Magdalene
45
A Bag of Bombs
Unlocked a new item.
Defeat Satan as Cain
46
Demon Baby
Unlocked a new item.
Defeat The Lamb as Azazel
47
Forget Me Now
Unlocked a new item.
Defeat Satan as ???
48
The D20
Unlocked a new item.
Defeat ??? as Isaac
49
Celtic Cross
Unlocked a new item.
Defeat ??? as Magdalene
50
Abel
Unlocked a new item.
Defeat The Lamb as Cain
51
Curved Horn
Unlocked a new item.
Defeat The Lamb as Judas
52
Sacrificial Dagger
Unlocked a new item.
Defeat ??? as Eve
53
Bloody Lust
Unlocked a new item.
Defeat Isaac as Samson
54
Blood Penny
Unlocked a new item.
Defeat ??? as Samson
55
Blood Rights
Unlocked a new item.
Defeat Satan as Samson
56
The Polaroid
Unlocked a new item.
Defeat Isaac 5 times
57
Dad’s Key
Unlocked a new item.
Pick up both Key Pieces from the Angels in one run
58
Blue Candle
Unlocked a new item.
Donate 900 coins to the Donation Machine
59
Burnt Penny
Unlocked a new item.
Complete Beans! (challenge #13)
60
Lucky Toe
Unlocked a new item.
Blow up 20 Shopkeepers
61
Epic Fetus
Unlocked a new item.
Complete The Family Man (challenge #19)
62
SMB Super Fan
Unlocked a new item.
Complete It’s in the Cards (challenge #14)
63
Counterfeit Coin
Unlocked a new item.
Play the Shell Game 100 times
64
Guppy’s Hairball
Unlocked a new item.
Become Guppy
65
A Forgotten Horseman
Unlocked a new boss!
Take 10 items from Angel Rooms
66
Samson
Unlocked a new character.
Complete 2 floors in a row without taking damage
67
Something Icky
New boss in the womb!
Defeat Isaac 10 times
68
!Platinum God!
OMG!
Collect all non-DLC items in the game, unlock all of the secrets and endings minus The Lost and his 6 unlockable items
69
Isaac’s Head
Unlocked a new item.
Complete the Boss Rush as Isaac
70
Maggy’s Faith
Unlocked a new item.
Defeat The Lamb as Magdalene
71
Judas’ Tongue
Unlocked a new item.
Defeat Satan as Judas
72
???’s Soul
Unlocked a new item.
Defeat The Lamb as ???
73
Samson’s Lock
Unlocked a new item.
Defeat The Lamb as Samson
74
Cain’s Eye
Unlocked a new item.
Defeat ??? as Cain
75
Eve’s Bird Foot
Unlocked a new item.
Defeat Isaac as Eve
76
The Left Hand
Unlocked a new item.
Defeat Ultra Pride as any character, or ??? as Judas
77
The Negative
Unlocked a new item.
Defeat Satan 5 times
78
Azazel
Unlocked a new character.
Make 3 deals with the Devil in one run
79
Lazarus
Unlocked a new character.
Have 4 or more Soul Hearts at one time
80
Eden
Unlocked a new character.
Complete chapter 4
81
The Lost
Unlocked a new character.
It’s complicated Die in a Sacrifice Room while holding Missing Poster
82
Dead Boy
Beat Chest or Dark Room without taking damage.
Complete chapter 6 without taking damage
83
The Real Platinum God
111% now stop playing!
Collect every non-DLC item and unlock every ending.
84
Lucky Rock
Destroy 100 rocks.
Destroy 100 rocks
85
The Cellar
Alt stage to the basement.
Beat all The Basement bosses (not restricted to beating bosses in The Basement)
86
The Catacombs
Alt stage to the caves.
Beat all The Caves bosses (not restricted to beating bosses in The Caves)
87
The Necropolis
Alt stage to the depths.
Beat all The Depths bosses (not restricted to beating bosses in The Depths)
88
Rune of Hagalaz
Unlocked a new item.
Complete Pitch Black (challenge #1)
89
Rune of Jera
Unlocked a new item.
Complete High Brow (challenge #2)
90
Rune of Ehwaz
Unlocked a new item.
Complete Head Trauma (challenge #3)
91
Rune of Dagaz
Unlocked a new item.
Complete Darkness Falls (challenge #4)
92
Rune of Ansuz
Unlocked a new item.
Complete The Tank (challenge #5)
93
Rune of Perthro
Unlocked a new item.
Complete Solar System (challenge #6)
94
Rune of Berkano
Unlocked a new item.
Complete Purist (challenge #20)
95
Rune of Algiz
Unlocked a new item.
Complete Cat Got Your Tongue (challenge #8)
96
Chaos Card
Unlocked a new item.
Complete Demo Man (challenge #9)
97
Credit Card
Unlocked a new item.
Complete Cursed (challenge #10)
98
Rules Card
Unlocked a new item.
Complete Glass Cannon (challenge #11)
99
Card Against Humanity
Unlocked a new item.
Complete When Life Gives You Lemons (challenge #12)
100
Swallowed Penny
Unlocked a new item.
Complete Slow Roll (challenge #15)
101
Robo-Baby 2.0
Unlocked a new item.
Complete Computer Savvy (challenge #16)
102
Death’s Touch
Unlocked a new item.
Complete Waka Waka (challenge #17)
103
Technology .5
Unlocked a new item.
Complete The Host (challenge #18)
104
Missing No.
Unlocked a new item.
Complete the Boss Rush as Lazarus
105
Isaac’s Tears
Unlocked a new item.
Defeat Isaac as Isaac
106
Guillotine
Unlocked a new item.
Defeat Isaac as Judas
107
Judas’ Shadow
Unlocked a new item.
Complete the Boss Rush as Judas
108
Maggy’s Bow
Unlocked a new item.
Complete the Boss Rush as Magdalene
109
Cain’s Other Eye
Unlocked a new item.
Complete the Boss Rush as Cain
110
Black Lipstick
Unlocked a new item.
Defeat The Lamb as Eve
111
Eve’s Mascara
Unlocked a new item.
Complete the Boss Rush as Eve
112
Fate
Unlocked a new item.
Defeat ??? as ???
113
???’s Only Friend
Unlocked a new item.
Complete the Boss Rush as ???
114
Samson’s Chains
Unlocked a new item.
Complete the Boss Rush as Samson
115
Lazarus’ Rags
Unlocked a new item.
Defeat Isaac as Lazarus
116
Broken Ankh
Unlocked a new item.
Defeat Satan as Lazarus
117
Store Credit
Unlocked a new item.
Defeat ??? as Lazarus
118
Pandora’s Box
Unlocked a new item.
Defeat The Lamb as Lazarus
119
Suicide King
Unlocked a new item.
Complete Suicide King (challenge #7)
120
Blank Card
Unlocked a new item.
Defeat Isaac as Eden
121
Book of Secrets
Unlocked a new item.
Defeat Satan as Eden
122
Mysterious Paper
Unlocked a new item.
Beat ??? as Eden
123
Mystery Sack
Unlocked a new item.
Defeat The Lamb as Eden
124
Undefined
Unlocked a new item.
Complete the Boss Rush as Eden
125
Satanic Bible
Unlocked a new item.
Defeat Isaac as Azazel
126
Daemon’s Tail
Unlocked a new item.
Defeat Satan as Azazel
127
Abaddon
Unlocked a new item.
Defeat ??? as Azazel
128
Isaac’s Heart
Unlocked a new item.
Defeat Isaac as The Lost
129
The Mind
Unlocked a new item.
Defeat Satan as The Lost
130
The Body
Unlocked a new item.
Defeat ??? as The Lost
131
The Soul
Unlocked a new item.
Defeat The Lamb as The Lost
132
The D100
Unlocked a new item.
Complete the Boss Rush as The Lost
133
Blue Map
Unlocked a new item.
Donate 10 coins to the Donation Machine
134
There’s Options
Unlocked a new item.
Donate 50 coins to the Donation Machine
135
Black Candle
Unlocked a new item.
Donate 150 coins to the Donation Machine
136
Red Candle
Unlocked a new item.
Donate 400 coins to the Donation Machine
137
Stop Watch
Unlocked a new item
Donate 999 coins to the Donation Machine
138
Wire Coat Hanger
Unlocked a new item.
Defeat Mom’s Heart 4 times
139
Ipecac
Unlocked a new item.
Defeat Mom’s Heart 6 times
140
Experimental Treatment
Unlocked a new item.
Defeat Mom’s Heart 7 times
141
Krampus
Unlocked another miniboss!
Take 20 items from Devil Rooms
142
Head of Krampus
Unlocked a new item.
Defeat Krampus
143
Super Meat Boy
Built him out of meat cubes.
Make a Super Meat Boy by picking up Cube of Meat 4 times in one run; see methods to create a Super Meat Boy
144
Butter Bean
Unlocked a new item.
Destroy 100 poops
145
Little Baggy
Unlocked a new item.
Collect 2 of either Roid Rage, The Virus, Growth Hormones, Experimental Treatment or Speed Ball
146
Blood Bag
Unlocked a new item.
Use the Blood Donation Machine 30 times
147
The D4
Unlocked a new item.
Blow up 30 Arcade machines
148
Missing Poster
Unlocked a new item.
Defeat The Lamb as Isaac
149
Rubber Cement
Unlocked a new item.
Defeat Mom’s Heart 2 times
150
Store Upgrade lv.1
Donated 20 pennies to the shop.
Donate 20 coins to the Donation Machine
151
Store Upgrade lv.2
Donated 100 pennies to the shop.
Donate 100 coins to the Donation Machine
152
Store Upgrade lv.3
Donated 200 pennies to the shop.
Donate 200 coins to the Donation Machine
153
Store Upgrade lv.4
Donated 600 pennies to the shop.
Donate 600 coins to the Donation Machine
154
Angels
They are waiting.
Complete chapter 6
155
Godhead
Unlocked a new item.
Earn all 5 / 9 (except the cent sign for Ultra Greed) / 10 completion marks on Hard mode as The Lost
156
Darkness Falls
Unlocked Challenge #4.
Defeat Mom’s Heart 11 times
157
The Tank
Unlocked Challenge #5.
Have 7 or more Red Heart containers at one time
158
Solar System
Unlocked Challenge #6.
Defeat Mom’s Heart 3 times
159
Suicide King
Unlocked Challenge #7.
Defeat Mom’s Heart 11 times
160
Cat Got Your Tongue
Unlocked Challenge #8.
Become Guppy
161
Demo Man
Unlocked Challenge #9.
Defeat Mom’s Heart 9 times
162
Cursed!
Unlocked Challenge #10.
Have 7 or more Red Heart Containers at one time
163
Glass Cannon
Unlocked Challenge #11.
Beat The Family Man (challenge #19) and defeat Lokii
164
The Family Man
Unlocked Challenge #19.
Pick up both Key Pieces from the Angels in one run
165
Purist
Unlocked Challenge #20.
Defeat Mom
166
Lost Baby
Unlocked a new co-player baby.
Defeat Mom’s Heart on Hard mode as Isaac
167
Cute Baby
Unlocked a new co-player baby.
Defeat Mom’s Heart on Hard mode as Magdalene
168
Crow Baby
Unlocked a new co-player baby.
Defeat Mom’s Heart on Hard mode as Eve
169
Shadow Baby
Unlocked a new co-player baby.
Defeat Mom’s Heart on Hard mode as Judas
170
Glass Baby
Unlocked a new co-player baby.
Defeat Mom’s Heart on Hard mode as Cain
171
Wrapped Baby
Unlocked a new co-player baby.
Defeat Mom’s Heart on Hard mode as Azazel Defeat Mom’s Heart on Hard mode as Lazarus
172
Begotten Baby
Unlocked a new co-player baby.
Defeat Mom’s Heart on Hard mode as Lazarus Defeat Mom’s Heart on Hard mode as Azazel
173
Dead Baby
Unlocked a new co-player baby.
Defeat Mom’s Heart on Hard mode as ???
174
-0- Baby
Unlocked a new co-player baby.
Defeat Mom’s Heart on Hard mode as The Lost
175
Glitch Baby
Unlocked a new co-player baby.
Defeat Mom’s Heart on Hard mode as Eden
176
Fighting Baby
Unlocked a new co-player baby.
Defeat Mom’s Heart on Hard mode as Samson
177
Lord of the Flies
You became Lord of the Flies.
Become Beelzebub
178
Fart Baby
Unlocked a new item.
Defeat Hush as Isaac
179
Purity
Unlocked a new item.
Defeat Hush as Magdalene
180
D12
Unlocked a new item.
Defeat Hush as Cain
181
Betrayal
Unlocked a new item.
Defeat Hush as Judas
182
Fate’s Reward
Unlocked a new item.
Defeat Hush as ???
183
Athame
Unlocked a new item.
Defeat Hush as Eve
184
Blind Rage
Unlocked a new item.
Defeat Hush as Samson
185
Maw of the Void
Unlocked a new item.
Defeat Hush as Azazel
186
Empty Vessel
Unlocked a new item.
Defeat Hush as Lazarus
187
Eden’s Blessing
Unlocked a new item.
Defeat Hush as Eden
188
Sworn Protector
Unlocked a new item.
Defeat Hush as The Lost
189
Incubus
Unlocked a new item.
Defeat Hush as Lilith
190
Keeper now holds… A Penny!
Unlocked a new item.
Defeat Hush as Keeper
191
Lil’ Chest
Unlocked a new item.
Defeat Ultra Greed as Isaac
192
Censer
Unlocked a new item.
Defeat Ultra Greed as Magdalene
193
Evil Eye
Unlocked a new item.
Defeat Ultra Greed as Cain
194
My Shadow
Unlocked a new item.
Defeat Ultra Greed as Judas
195
Cracked Dice
Unlocked a new item.
Defeat Ultra Greed as ???
196
Black Feather
Unlocked a new item.
Defeat Ultra Greed as Eve
197
Lusty Blood
Unlocked a new item.
Defeat Ultra Greed as Samson
198
Lilith
Unlocked a new character.
Defeat Ultra Greed as Azazel
199
Key Bum
Unlocked a new item.
Defeat Ultra Greed as Lazarus
200
GB Bug
Unlocked a new item.
Defeat Ultra Greed as Eden
201
Zodiac
Unlocked a new item.
Defeat Ultra Greed as The Lost
202
Box of Friends
Unlocked a new item.
Defeat Ultra Greed as Lilith
203
Rib of Greed
Unlocked a new item.
Defeat Ultra Greed as Keeper
204
Cry Baby
Unlocked a new co-player baby.
Defeat Mega Satan as Isaac
205
Red Baby
Unlocked a new co-player baby.
Defeat Mega Satan as Magdalene
206
Green Baby
Unlocked a new co-player baby.
Defeat Mega Satan as Cain
207
Brown Baby
Unlocked a new co-player baby.
Defeat Mega Satan as Judas
208
Blue Baby
Unlocked a new co-player baby.
Defeat Mega Satan as ???
209
Lil’ Baby
Unlocked a new co-player baby.
Defeat Mega Satan as Eve
210
Rage Baby
Unlocked a new co-player baby.
Defeat Mega Satan as Samson
211
Black Baby
Unlocked a new co-player baby.
Defeat Mega Satan as Azazel
212
Long Baby
Unlocked a new co-player baby.
Defeat Mega Satan as Lazarus
213
Yellow Baby
Unlocked a new co-player baby.
Defeat Mega Satan as Eden
214
White Baby
Unlocked a new co-player baby.
Defeat Mega Satan as The Lost
215
Big Baby
Unlocked a new co-player baby.
Defeat Mega Satan as Lilith
216
Noose Baby
Unlocked a new co-player baby.
Defeat Mega Satan as Keeper
217
Rune Bag
Unlocked a new item.
Defeat Isaac as Lilith
218
Cambion Conception
Unlocked a new item.
Defeat ??? as Lilith
219
Serpent’s Kiss
Unlocked a new item.
Defeat Satan as Lilith
220
Succubus
Unlocked a new item.
Defeat The Lamb as Lilith
221
Immaculate Conception
Unlocked a new item.
Complete the Boss Rush as Lilith
222
Goat Head Baby
Unlocked a new co-player baby.
Defeat Mom’s Heart on Hard mode as Lilith
223
Gold Heart
Unlocked a new item.
Complete XXXXXXXXL (challenge #21)
224
Get out of Jail Free Card
Unlocked a new item.
Complete SPEED! (challenge #22)
225
Gold Bomb
Unlocked a new item.
Complete Blue Bomber (challenge #23)
226
2 new pills
Unlocked a new item.
Complete PAY TO PLAY (challenge #24)
227
2 new pills
Unlocked a new item.
Complete Have a Heart (challenge #25)
228
Poker Chip
Unlocked a new item.
Complete I RULE! (challenge #26)
229
Stud Finder
Unlocked a new item.
Complete BRAINS! (challenge #27)
230
D8
Unlocked a new item.
Complete PRIDE DAY! (challenge #28)
231
Kidney Stone
Unlocked a new item.
Complete The Guardian (challenge #30) Complete Onan’s Streak (challenge #29)
232
Blank Rune
Unlocked a new item.
Complete Onan’s Streak (challenge #29) Complete The Guardian (challenge #30)
233
Blue Womb
Unlocked a hidden chapter.
Defeat Mom’s Heart 10 times
234
1001%
Nerd x 1000000
Unlock all of the secrets and endings, and collect every item in the game
235
Keeper holds Wooden Nickel
Unlocked a new starting item.
Defeat Isaac as Keeper
236
Keeper holds Store Key
Unlocked a new starting item.
Defeat Satan as Keeper
237
Deep Pockets
Unlocked a new item.
Defeat ??? as Keeper
238
Karma
Unlocked a new item.
Defeat The Lamb as Keeper
239
Sticky Nickels
Unlocked a new item.
Complete the Boss Rush as Keeper
240
Super Greed Baby
Unlocked a new co-player baby.
Defeat Mom’s Heart on Hard mode as Keeper
241
Lucky Pennies
Unlocked a new item.
Donate 1 coin to the Greed Donation Machine
242
Special Hanging Shopkeepers
Unlocked a secret.
Donate 10 coins to the Greed Donation Machine
243
Wooden Nickel
Unlocked a new item.
Donate 30 coins to the Greed Donation Machine
244
Cain holds Paperclip
Unlocked a new starting item.
Donate 68 coins to the Greed Donation Machine
245
Everything is Terrible 2!!!
Greed just got harder!
Donate 111 coins to the Greed Donation Machine
246
Special Shopkeepers
Unlocked a secret.
Donate 234 coins to the Greed Donation Machine
247
Eve now holds Razor Blade
Unlocked a new starting item.
Donate 439 coins to the Greed Donation Machine
248
Store Key
Unlocked a new item.
Donate 666 coins to the Greed Donation Machine
249
Lost holds Holy Mantle
Unlocked a new starting item.
Donate 879 coins to the Greed Donation Machine
250
Keeper
Unlocked a new character.
Donate 1000 coins to the Greed Donation Machine
251
Hive Baby
Unlocked a new co-player baby.
Earn all Hard mode completion marks as ???
252
Buddy Baby
Unlocked a new co-player baby.
Earn all Hard mode completion marks as Isaac
253
Colorful Baby
Unlocked a new co-player baby.
Earn all Hard mode completion marks as Magdalene
254
♥♥♥♥♥ Baby
Unlocked a new co-player baby.
Earn all Hard mode completion marks as Eve
255
Cracked Baby
Unlocked a new co-player baby.
Earn all Hard mode completion marks as Eden
256
Dripping Baby
Unlocked a new co-player baby.
Earn all Hard mode completion marks as Lazarus
257
Blinding Baby
Unlocked a new co-player baby.
Use Blank Card while holding XIX – The Sun
258
Sucky Baby
Unlocked a new co-player baby.
Earn all Hard mode completion marks as Azazel
259
Dark Baby
Unlocked a new co-player baby.
Earn all Hard mode completion marks as Lilith
260
Picky Baby
Unlocked a new co-player baby.
Earn all Hard mode completion marks as Cain
261
Revenge Baby
Unlocked a new co-player baby.
Earn all Hard mode completion marks as Samson
262
Belial Baby
Unlocked a new co-player baby.
Earn all Hard mode completion marks as Judas
263
Sale Baby
Unlocked a new co-player baby.
Earn all Hard mode completion marks as Keeper
264
XXXXXXXXL
Unlocked Challenge #21.
Defeat Mom
265
SPEED!
Unlocked Challenge #22.
Defeat Mom
266
Blue Bomber
Unlocked Challenge #23.
Destroy 10 Tinted Rocks and defeat Mom’s Heart 11 times
267
PAY TO PLAY
Unlocked Challenge #24.
Defeat Isaac as Cain
268
Have a Heart
Unlocked Challenge #25.
Defeat Mom
269
I RULE!
Unlocked Challenge #26.
Defeat ??? or The Lamb, and defeat Satan as Isaac
270
BRAINS!
Unlocked Challenge #27.
Defeat Isaac 5 times
271
PRIDE DAY!
Unlocked Challenge #28.
Defeat Mom
272
Onan’s Streak
Unlocked Challenge #29.
Defeat Mom
273
The Guardian
Unlocked Challenge #30.
Defeat Mom
274
Generosity
If only everyone was as generous as you are…
Donate 999 coins to the Greed Donation Machine
275
Mega
Unlocked…
Defeat Mega Satan as every character
276
Backasswards
Unlocked a new challenge.
Defeat ??? or The Lamb
277
Aprils fool
Unlocked a new challenge.
Defeat Mom
278
Pokey Mans
Unlocked a new challenge.
Defeat Mom’s Heart 11 times
279
Ultra Hard
Unlocked a new challenge.
Defeat ??? or The Lamb. Possession of The Polaroid/ The Negative is required, prohibiting getting to Dark Room through a Sacrifice Room.
280
PONG
Unlocked a new challenge.
Defeat Isaac 5 times
281
D Infinity
Unlocked a new item.
Defeat Delirium as Isaac
282
Eucharist
Unlocked a new item.
Defeat Delirium as Magdalene
283
Silver Dollar
Unlocked a new item.
Defeat Delirium as Cain
284
Shade
Unlocked a new item.
Defeat Delirium as Judas
285
King Baby
Unlocked a new co-player baby.
Defeat Delirium as ???
286
Bloody Crown
Unlocked a new item.
Defeat Delirium as Samson
287
Dull Razor
Unlocked a new item.
Defeat Delirium as Eve
288
Eden’s Soul
Unlocked a new item.
Defeat Delirium as Eden
289
Dark Prince’s Crown
Unlocked a new item.
Defeat Delirium as Azazel
290
Compound Fracture
Unlocked a new item.
Defeat Delirium as Lazarus
291
Euthanasia
Unlocked a new item.
Defeat Delirium as Lilith
292
Holy Card
Unlocked a new item.
Defeat Delirium as The Lost
293
Crooked Penny
Unlocked a new item.
Defeat Delirium as Keeper
294
Void
Unlocked a new item.
Defeat Delirium as Apollyon
295
D1
Unlocked a new item.
Defeat Ultra Greedier as Isaac
296
Glyph of Balance
Unlocked a new item.
Defeat Ultra Greedier as Magdalene
297
Sack of Sacks
Unlocked a new item.
Defeat Ultra Greedier as Cain
298
Eye of Belial
Unlocked a new item.
Defeat Ultra Greedier as Judas
299
Meconium
Unlocked a new item.
Defeat Ultra Greedier as ???
300
Stem Cell
Unlocked a new item.
Defeat Ultra Greedier as Samson
301
Crow Heart
Unlocked a new item.
Defeat Ultra Greedier as Eve
302
Metronome
Unlocked a new item.
Defeat Ultra Greedier as Eden
303
Bat Wing
Unlocked a new item.
Defeat Ultra Greedier as Azazel
304
Plan C
Unlocked a new item.
Defeat Ultra Greedier as Lazarus
305
Duality
Unlocked a new item.
Defeat Ultra Greedier as Lilith
306
Dad’s Lost Coin
Unlocked a new item.
Defeat Ultra Greedier as The Lost
307
Eye of Greed
Unlocked a new item.
Defeat Ultra Greedier as Keeper
308
Black Rune
Unlocked a new item.
Defeat Ultra Greedier as Apollyon
309
Locust of Wrath
Unlocked a new item.
Defeat Isaac as Apollyon
310
Locust of Pestilence
Unlocked a new item.
Defeat Satan as Apollyon
311
Locust of Famine
Unlocked a new item.
Defeat ??? as Apollyon
312
Locust of Death
Unlocked a new item.
Defeat The Lamb as Apollyon
313
Locust of Conquest
Unlocked a new item.
Complete the Boss Rush as Apollyon
314
Hushy
Unlocked a new item.
Defeat Hush as Apollyon
315
Brown Nugget
Unlocked a new item.
Defeat Ultra Greed as Apollyon
316
Mort Baby
Unlocked a new co-player baby.
Defeat Mega Satan as Apollyon
317
Smelter
Unlocked a new item.
Defeat Mom’s Heart or It Lives! on Hard mode as Apollyon
318
Apollyon Baby
Unlocked a new co-player baby.
Earn all Hard mode completion marks as Apollyon
319
New Area
Unlocked a new area.
Defeat Hush
320
Once More with Feeling!
Unlocked a new item.
Complete a Victory Lap, defeating The Lamb
321
Hat trick!
Unlocked a new item.
Get a 3-win streak
322
5 Nights at Mom’s
Unlocked super special rocks.
Get a 5-win streak, using a different character for each win
323
Sin collector
Unlocked a new item.
Collect every entry in the Bestiary (bugged v190 – Mobs that don’t exist in the bestiary are being counted. This allows Sin Collector to be unlocked without a complete bestiary)
324
Dedication
Unlocked a new item.
Participate in 31 daily challenges (they don’t have to be consecutive; it will still count if you die in the first room)
325
ZIP!
Unlocked a new item.
Defeat The Lamb in under 20 minutes
326
It’s the Key
Unlocked a new item.
Defeat The Lamb without taking hearts, coins, and bombs through an entire run
327
Mr. Resetter!
Unlocked a new item.
Reset 7 times in a row
328
Living on the edge
Unlocked a new item.
Complete a floor after The Basement I, start-to-finish, with only half a heart of health (can use The Lost)
329
U Broke It!
Unlocked a new item.
Obtain 50 items on a run (e.g., via two Steam Sale and Restock – Duplicate passives/familiars count towards the total, e.g., multiple Breakfast)
330
Laz Bleeds More!
Unlocked a new starting item.
Complete Backasswards (challenge #31)
331
Maggy Now Holds a Pill!
Unlocked a new starting item.
Complete Aprils Fool (challenge #32)
332
Charged Key
Unlocked a new item.
Complete Pokey Mans (challenge #33)
333
Samson Feels Healthy!
Unlocked a new starting item.
Complete Ultra Hard (challenge #34)
334
Greed’s Gullet
Unlocked a new item.
Complete Pong (challenge #35)
335
The Marathon
Unlocked a new item.
Get a 5-win streak in the daily challenges
336
RERUN
Unlocked the power of RERUN.
Complete 3 Victory Laps
337
Delirious
Unlocked a new item.
Defeat Delirium
338
1000000%
Just Stop!
Collect every item in the game, unlock all secrets and endings, and complete the bestiary (minus anything added in Booster Packs; as of Booster Pack #5, all achievements from Booster Packs, as well as the renewed bestiary, need to completed)
339
Apollyon
Unlocked a new character.
Defeat Mega Satan
340
Greedier!
New mode unlocked!
Donate 500 coins to the Greed Donation Machine
341
Burning Basement
Alt stage to the basement.
Defeat Mom’s Heart 11 times
342
Flooded Caves
Alt stage to the caves.
Defeat It Lives 16 times
343
Dank Depths
Alt stage to the depths.
Defeat It Lives 21 times
344
Scarred Womb
Alt stage to the womb.
Defeat It Lives 30 times
345
Something wicked this way comes!
Unlocked new bosses!
Defeat ??? as 3 different characters
346
Something wicked this way comes+!
Unlocked even more bosses!
Defeat ??? as 6 different characters
347
The gate is open!
Unlocked new enemies!
Defeat The Lamb
348
Black Hole
Unlocked a new item.
Defeat 20 portals
349
Mystery Gift
Unlocked a new item.
Destroy 500 rocks
350
Sprinkler
Unlocked a new item.
Beat chapter 1 without taking damage
351
Angry Fly
Unlocked a new item.
Become Beelzebub
352
Bozo
Unlocked a new item.
Destroy 5 rainbow poops
353
Broken Modem
Unlocked a new item.
Complete 7 daily challenges (by touching the trophy at the end)
354
Buddy in a Box
Unlocked a new item.
Pick up 5 familiars in a single run
355
Fast Bombs
Unlocked a new item.
Defeat Little Horn 20 times
356
Lil Delirium
Unlocked a new item.
Defeat Delirium for the 1st time
357
Hairpin
Unlocked a new item.
Recharge using Lil’ Batteries 20 times
358
Wooden Cross
Unlocked a new item.
Sleep in a bed
359
Butter!
Unlocked a new item.
Complete 2 Victory Laps and start a 3rd
360
Huge Growth
Unlocked a new item.
Increase in size 5 times in a single run. Sources of increased size include “One Makes you Larger” pills, XI – Strength, and Magic Mushroom
361
Ancient Recall
Unlocked a new item.
Use cards and runes 20 times
362
Era Walk
Unlocked a new item.
Have both the Broken Watch and the Stop Watch in your collection
363
Coupon
Unlocked a new item.
Purchase from Shops, Devil deals or Black Markets 50 times
364
Telekinesis
Unlocked a new item.
Beat chapter 2 without taking damage
365
Moving Box
Unlocked a new item.
Use Pandora’s Box in Dark Room
366
Jumper Cables
Unlocked a new item.
Pick up any 3 of the following items/trinkets in a single run: 9 Volt, The Battery, Car Battery, AAA Battery, Watch Battery
367
Leprosy
Unlocked a new item.
Beat chapter 3 without taking damage
368
Technology Zero
Unlocked a new item.
Pick up two technology items in one run
369
Filigree Feather
Unlocked a new item.
Acquire both key pieces
370
Mr. ME!
Unlocked a new item.
Open 20 Locked Chests
371
7 Seals
Unlocked a new item.
Defeat all 5 Harbingers
372
Angelic Prism
Unlocked a new item.
Defeat an Angel 10 times
373
Pop!
Unlocked a new item.
Beat chapter 4 without taking damage
374
Door Stop
Unlocked a new item.
Blow up doors and Secret Room walls 50 times
375
Death’s List
Unlocked a new item.
Take 25 Devil deals
376
Haemolacria
Unlocked a new item.
Acquire Blood Clot 10 times
377
Lachryphagy
Unlocked a new item.
Collect 10 “tears up” items or pills in one run
378
Schoolbag
Unlocked a new item.
Enter every Shop from chapter 1 through chapter 3 in one run
379
Trisagion
Unlocked a new item.
Take 25 items from Angel Rooms
380
Extension Cord
Unlocked a new item.
Have The Battery, 9 Volt, and Car Battery in your collection
381
Flat Stone
Unlocked a new item.
Acquire Rubber Cement 5 times
382
Sacrificial Altar
Unlocked a new item.
Take 50 Devil deals
383
Lil Spewer
Unlocked a new item.
Die to your own explosion from Ipecac, Bob’s Rotten Head, or Horf! pill
384
Blanket
Unlocked a new item.
Sleep in 10 beds
385
Marbles
Unlocked a new item.
Use 5 Gulp! pills in one run
386
Mystery Egg
Unlocked a new item.
Spawn three charmed enemies in the same room
387
Rotten Penny
Unlocked a new item.
Have 20 Blue Flies at the same time
388
Baby-Bender
Unlocked a new item.
Use I – The Magician or Telepathy for Dummies while already having homing tears
389
The Forgotten
Unlocked a new character.
It’s complicated
390
Bone Heart
Unlocked a new item.
It’s complicated
391
Marrow
Unlocked a new item.
Defeat Mom’s Heart or It Lives! on Hard mode as The Forgotten
392
Slipped Rib
Unlocked a new item.
Defeat Isaac as The Forgotten
393
Pointy Rib
Unlocked a new item.
Defeat Satan as The Forgotten
394
Jaw Bone
Unlocked a new item.
Defeat ??? as The Forgotten
395
Brittle Bones
Unlocked a new item.
Defeat The Lamb as The Forgotten
396
Divorce Papers
Unlocked a new item.
Complete the Boss Rush as The Forgotten
397
Hallowed Ground
Unlocked a new item.
Defeat Hush as The Forgotten
398
Finger Bone
Unlocked a new item.
Defeat Ultra Greed as The Forgotten
399
Dad’s Ring
Unlocked a new item.
Defeat Ultra Greedier as The Forgotten
400
Book of the Dead
Unlocked a new item.
Defeat Delirium as The Forgotten
401
Bone Baby
Unlocked a new co-player baby.
Earn all Hard mode completion marks as The Forgotten
402
Bound Baby
Unlocked a new co-player baby.
Defeat Mega Satan as The Forgotten
403
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