DOOM CHEATS

Invincibility	Down, L2, Square, R1, Right, L1, Left, Circle
All Weapons	Square, Triangle, L1, Up, Down, R2, Left, Left
All Ammo	X, Triangle, L1, Up, Down, R2, Left, Left
Level Warp	Right, Left, R2, R1, Triangle, L1, Circle, X
No clip	L1, R2, L2, R1, Right, Triangle, X, Right
Map all lines	Triangle, Triangle, L2, R2, L2, R2, R1, Square
Map all things	Triangle, Triangle, L2, R2, L2, R2, R1, Circle