The following cheats are available for DOOM on the PlayStation console.
To enter a cheat code, pause the game and then key in one of the codes listed below.
Full Guns and Ammo
Cheat code: X, Triangle, L1, Up, Down, R2, Left, Left
Cheat code: Triangle, Triangle, L2, R2, L2, R2, R1, Square
Cheat code: Down, L2, Square, R1, Right, L1, Left, Circle
Cheat code: Right, Left, R2, R1, Triangle, L1, Circle, X
Map with Objects
Cheat code: Triangle, Triangle, L2, R2, L2, R2, R1, Circle
Cheat code: L1, R2, L2, R1, Right, Triangle, X, Right