All Puzzles, Codes, & Weapon Parts for Resident Evil 2

Resident Evil 2★ 5 · 302 ratings14k views864 favorites5 min readby GoldSAWUpdated 9 Jul, 2025View on Steam ↗

Puzzles and Codes

Applies to all difficulties. (Some item spawn locations may slightly differ between scenarios — Leon A, Claire A, Leon B, Claire B.)

Puzzle

Solution

RPD Safes and Locks:

Officer Desk

NED, MRG

West Office Safe

9 Left - 15 Right - 7 Left

2F Locker

CAP

3F Locker

DCM

Waiting Room Safe

6 Left - 2 Right - 11 Left

Portable Safe 1 (Shower Room)

Randomized (lights must all be lit in sequence).

Portable Safe 2 (Linen Room)

Randomized (lights must all be lit in sequence).

Locker Terminal Codes (Safety Deposit Room)

102, 103, 106, 109, 203, and 208 (requires both Spare Keys)

Spare Keys

Found inside the Portable Safes, located in the First Floor West Office and East Wing Waiting Room.

Prison Switchboard Puzzle (Leon Only)

red, red, green, green

Private Collection Room Panel (Claire Only)

Arrange cables to complete circuit (no fixed code). https://www.powerpyx.com/wp-content/uploads/resident-evil-2-remake-puzzle-solution-11-2.jpg

Electronic Part Puzzle (RPD Jail / Power Panels)

Arrange cables to complete circuit (no fixed code). https://www.powerpyx.com/wp-content/uploads/resident-evil-2-remake-puzzle-solution-6-2.jpg

Medallion Puzzle (Main Hall Statues):

Lion Statue

Lion - Leaf - Bird

Unicorn Statue

Fish - Scorpion - Vase

Maiden Statue

Woman - Bow - Snake

B-Scenario Lion Statue

Crown - Flame - Bird

B-Scenario Unicorn Statue

Twins - Scale - Worm

B-Scenario Maiden Statue

Ram - Harp - Bird

Sewer Puzzles:

Control Room Lock

SZF

Sewer Chess Plug Puzzle (Monitor Room) A-Scenario

Right Wall = Pawn, Queen, King & Left Wall = Bishop, Rook, Knight

Sewer Chess Plug Puzzle (Monitor Room) B-Scenario

Right Wall = Pawn, Rook, Knight & Left Wall = Queen, Bishop, King

Treatment Pool Room Safe

Left 2 - Right 12 - Left 8 (Shotgun Upgrade)

Laboratory Puzzles:

Greenhouse Control Room A-Scenario (but Keypad-style)

1st - 3123, 2067

Greenhouse Control Room B-Scenario (but Keypad-style)

2nd - 2048, 5831

Signal Modulator - Murph

Power the East Area.

Signal Modulator - OSS

Power the Server Room.

Cartridge Puzzle A-Scenario

Red, Green, Blue, Red, Green, Blue, Red, Green

Cartridge Puzzle B-Scenario

Blue, Red, Green, Red, Blue, Red, Blue, Green, Blue, Red, Green

Miscellaneous

Sherry's Puzzle (Claire Only)

Circle, Square, Star, Square, Star

Weapons & Parts

Applies to all difficulties and covers both Leon and Claire campaigns. Some items slightly differ depending on whether you're doing 1st Run or 2nd Run (A or B scenarios).

Character / Section

Weapon / Part

Location / Unlock Method

Leon Kennedy - New Weapons

W-870 Shotgun

Weapon

Found in the Safety Deposit Room (requires Weapons Locker Keycard).

Matilda

Weapon

Starting weapon.

Lightning Hawk (Magnum)

Weapon

Found in the S.T.A.R.S. Office Armory (requires USB Dongle Key).

Combat Knife

Weapon

Found throughout the RPD, dropped by downed enemies, or given in scripted moments.

Flamethrower (Chemical Flamethrower)

Weapon

Found in the Laboratory (Low-Temp Testing Lab).

Leon Kennedy - Weapon Parts

High-Capacity Mag (Matilda)

Part

West Office, 1st Floor Police Station. Unlock Leon’s desk using the first initials of nearby nameplates. Inside is the magazine that increases ammo to 24 rounds.

Muzzle Brake (Matilda)

Part

Found inside the Waiting Room Safe (6 Left - 2 Right - 11 Left).

Shotgun Long Barrel (W-870)

Part

Kendo’s Gun Shop (after leaving the R.P.D. Basement) Found on the shelves. It boosts shotgun power and increases capacity to 8 rounds.

Shotgun Stock (W-870)

Part

Found in the Treatment Pool Room, Sewers after opening the safe using the chalk-written combo. It makes the shotgun shoot faster.

Red Dot Sight (Lightning Hawk)

Part

First, find the "Hiding Place" film in the Sewers and develop it in the Dark Room. Then check Wesker’s desk to get the red-dot sight for better aiming.

Lightning Hawk Long Barrel

Part

Use the S.T.A.R.S. badge (from the Interrogation Room jewelry box) on a lockbox in the utility stairwell of RPD (the stairwell you took to reach Birkin for the first time as Leon) to get the long barrel. It lowers recoil and increases damage.

Leon's Flamethrower Regulator

Part

Umbrella Laboratory. Go back to the North Area after getting the Signal Modulator. Use it to open a locked room. Inside the lockers, you'll find the Regulator. It makes the flamethrower use less fuel.

Claire Redfield - New Weapons

GM 79 Grenade Launcher

Weapon

Found in the Safety Deposit Room (requires Weapons Locker Keycard).

SLS 60 (Handgun)

Weapon

Starting weapon.

JMB Hp3 (Handgun)

Weapon

Found inside the trunk of a police car in the Parking Garage (requires Car Key from Firing Range).

MQ 11 (Submachine Gun)

Weapon

Found in the S.T.A.R.S. Office Armory (requires USB Dongle Key).

Spark Shot

Weapon

Found in the Supplies Storage Room (Sewer Section).

Combat Knife

Weapon

Found throughout the RPD, dropped by downed enemies, or given in scripted moments.

Claire Redfield - Weapon Parts

Speed Loader (Claire’s Revolver)

Part

West Office, 1st Floor. Unlock Leon’s desk using nameplate initials. Inside is the Speed Loader, which makes reloading faster.

High-Capacity Magazine (Claire’s Pistol, Scenario B)

Part

Waiting Room, 2nd Floor. Open the safe under the desk using the code from the Confiscation Report (found in the Basement). Increases mag size to 26 rounds.

Shoulder Stock (Grenade Launcher)

Part

Elevator Controls Room, Basement. Use the diamond key from the morgue to unlock the room. Inside a locker is the Shoulder Stock, which improves grenade launcher accuracy.

Reinforced Frame (Claire’s Revolver)

Part

Treatment Pool Room, Sewers. Open the safe with the chalk combo to get the Reinforced Frame. Lets you shoot high-powered rounds (switch with LB/R1).

High-Capacity Magazine (Submachine Gun)

Part

S.T.A.R.S. Office, 2nd Floor. First, develop the “Hiding Place” film in the Dark Room. Then check Wesker’s desk for the upgrade. Increases mag size to 50 rounds.

Suppressor (Submachine Gun)

Part

Underground Stairs. Use the S.T.A.R.S. badge (from the Interrogation Room jewelry box) on a lockbox. Inside is the Suppressor, which reduces recoil.

High Voltage Condenser (Spark Shot)

Part

Found in the Laboratory's East Area, near the Greenhouse Control Room.

Keep cross-referencing information as you proceed through the game to ensure you don't miss any weapon parts. Sometimes it's easy to focus on one item and accidentally walk past something else.

Conclusion

I hope this guide helped you escape Raccoon City!

Throughout my time earning 11 Resident Evil platinum trophies — including 7 on console — I’ve written several personal guides to help myself along the way.
I'm happy to finally share some of that knowledge here, and I hope it makes your experience a little smoother.