All weapons, health, keys, and armor in Doom 2 and Ultimate Doom:
While playing a game, hold L and press B(4). If you entered the code correctly, you will hear a sound.
Chainsaw in Doom 2 and Ultimate Doom:
While playing a game, hold L and press B(2), A(2). If you entered the code correctly, you will hear a sound.
Full map in Doom 2 and Ultimate Doom:
While playing a game, hold L and press Y(4). If you entered the code correctly, you will hear a sound.
Level skip in Doom 2 and Ultimate Doom:
While playing a game, hold L and press A(2), B(2). If you entered the code correctly, you will hear a sound.
Light amplification goggles in Doom 2 and Ultimate Doom:
While playing a game, hold L and press Y(3), X. If you entered the code correctly, you will hear a sound.
Radiation suit in Doom 2 and Ultimate Doom:
While playing a game, hold L and press X, Y(3). If you entered the code correctly, you will hear a sound.
Storage locker combinations:
Locker – Code – Contents
009 – 492 – Security Armor, Machinegun Ammo, Chain Gun Ammo
029 – 516 – Security Armor, Machinegun Ammo
034 – 134 – Machinegun Ammo, Chain Gun Ammo
035 – 134 – Pistol Rounds, Shotgun Shells, Armor Shards
042 – 714 – Shotgun Shells, Chain Gun Ammo
105 – 769 – Pistol Rounds, Shotgun Shells, Hand Grenades
116 – 634 – Shotgun Shells, Plasma Cells
117 – 634 – Shotgun Shells, Chain Gun Ammo
407 – 937 – Pistol Rounds, Shotgun Shells, Small Med-kit
408 – 937 – Shotgun Shells
Temporary invincibility in Doom 2 and Ultimate Doom:
While playing a game, hold L and press X(4). If you entered the code correctly, you will hear a sound.
Toggle Berserk mode in Doom 2 and Ultimate Doom:
While playing a game, hold L and press X(3), Y. If you entered the code correctly, you will hear a sound.
Toggle God and Degreelessness mode in Doom 2 and Ultimate Doom:
While playing a game, hold L and press A(4). If you entered the code correctly, you will hear a sound.
Toggle invisibility in Doom 2 and Ultimate Doom:
While playing a game, hold L and press X(2), Y(2). If you entered the code correctly, you will hear a sound.