Secret Seeds List

Features:
- You spawn in default world
- You spawn in caves
- You are a Vampire
- Seed: whatahorriblenighttohaveacurse

Features:
- You spawn in default world
- Endless Halloween
- Seed: hocuspocus

Features:
- You spawn in default world
- It is endless Xmas
- Seed: jinglealltheway

Features
- You spawn in default world
- In the same world, different players can have different spawn points, depending on the team they join
- When a team changes, the player is teleported to the spawn of the new team
- Activates multiplayer commands in singleplayer
- Seed: royalewithcheese

Features:
- You spawn in world of planetoids
- There are many mini-planets
- Seed: planetoids

Features:
- You spawn in default world
- It is endless rain
- Seed: bringatowel

Features:
- You spawn in default world
- There are too many holes
- Seed: jaggedrocks

Features:
- You spawn in monochrome grey world
- Seed: monochrome
- ♪ No matter what time, the skies are grey ♪

Features:
- You spawn in default world
- Seed: truckstop
- PAY ATTENTION: THERE ARE MANY POOPS!

Features:
- You spawn in default world
- You can see everything!
- Seed: xrayvision

Features:
- You spawn in world with no surface
- Mana Crystals spawn naturally similar to Life Crystals
- Seed: molepeople

Features:
- You spawn in world of giant living trees throughout all surface
- Their roots are longer
- Seed: savetherainforest

Features:
- You spawn in error world
- Trees are too tall
- The Old Man spawns with you
- There are many glitches...
- Seed: iamerror

Features:
- You spawn in default world
- Surface is closer to upper border of the world
- Generation of Floating Islands doesn't changed
- Seed: suchgreatheights

Features:
- You spawn in default world
- But there are lots of pairs of teleports in the Underground
- Seed: beammeup

Features:
- You spawn in hardmode world
- Seed: tooeasy

Features:
- You spawn in default world with no spider nests
- But spiders can spawn
- INFO FOR ARACHNOPHOBES: ARACHNOPHOBIA SEED MIXED WITH OTHER SECRET SEED INCREASE SPIDER NESTS IN YOUR WORLD! REMEMBER THIS IF YOU THINK YOU HAVE AN ARACHNOPHOBIA!
- Seed: arachnophobia

Features:
- You spawn in default world
- But your spawn in random place every time.
- Seed: howdidigethere

Features:
- You spawn in default world
- But cabins in underground spawn with additional rooms
- Seed: abandonedmanors

Features:
- You spawn in default world
- You spawn at 7:30 PM in the beginning of the Blood Moon
- Graveyards.
- Seed: nightofthelivingdead

Features:
- You spawn in default world
- But the whole world is in underwater
- Seed: waterpark

Features:
- You spawn in default world with negative filter
- Seed: negativeinfinity

Features:
- You spawn in default world with extra floating islands
- Seed: thecarebearsmovie

Features:
- You spawn in default world with no infection biomes
- But infection spreading is on
- And in the Hardmode Hallow and Infection biomes appear
- Seed: fishmox

Features:
- You spawn in default world
- But surface is a mushroom biome
- Seed: toadstool

Features:
- You spawn in default world without any traps
- This seed mixed with others increase traps in your world
- Seed: moretrapsplease

Features:
- You spawn in default world but there are more rainbow stuff
- For example: rainbow blocks
- Seed: rainbowroad

Features:
- You spawn in default world
- But the surface is a snow biome
- Seed: winteriscoming

Features:
- You spawn in default world
- But everything is invisible
- Seed: invisibleplane

Features:
- You spawn in default world with lots of pumpkins
- Only pumpkins, no Halloween
- Seed: pumpkinseason

Features:
- You spawn in default world
- But the surface is a desert biome
- Seed: sandybritches

Features:
- You spawn in default world
- But the surface is fully infected
- Seed: purifythis

Features:
- You spawn in world with missing biomes
- There are two dungeons with lots of loot and with missing biomes included
- Seed for PC: doubledaringdangers
- Seed for Mobile/Console: dualdungeons

Features:
- You spawn in default world
- But you can find a portal guns with small chance in chests
- Official Terraria Wiki[terraria.wiki.gg] said: All Chests have a 1/7 (14.29%) chance of containing a Portal Gun, but only if the chest already contains more than one unique Item.
- Seed: wedonteventestforthat

Features:
- You spawn in default world
- But the surface is a hallow biome
- Seed: doesthatsparkle