Final Doom Begin and pause a normal game before entering the following codes: All Weapons and Ammo: Press X, Triangle, L1, Up, Down, R2, Left, Left. Invincibility: Press Down, L2, Square, R1, Right, L1, Left, Circle. Level Warp: Press Right, Left, R2, R1, Triangle, L1, Circle, X. X-Ray Vision: Press L1, R2, L2, R1, Right, Triangle, X, Right. Complete Map: Press Triangle, Triangle, L2, R2, L2, R2, R1, Square. Items on Map: Press Triangle, Triangle, L2, R2, L2, R2, R1, Circle. Power Mode: Press Down, L2, Square, R1, R, L1, Left, Circle. Lots of Goodies: Press X, Triangle, L1, Up, Down, R2, Left, Left.