Doom

Skip Current Level
Pause the game and then enter the following code. Right, Left, R2, R1,Triangle,L1, Circle - X . You should then skip your current level

Final Level Password
Enter the following code at the Password screen. CRMSKZX9Z1. You should then go to the last level of the gme

Reveal All Map - Pause and press triangle, triangle, L2, R2, L2, R2, R1, square

Reveal All Map and Object Locations - Pause and press triangle, triangle, L2, R2, L2, R2, R1, circle

All Weapons and Ammo - Pause and press X, triangle, L1, up, down, R2, left, left

Invincibility - Pause and press down, L2, square, R1, right, L1, left, circle

Level Select - Pause and press right, left, R2, R1, triangle, L1, circle, X

X-Ray Vision - Pause and press L1, R2, L2, R1, right, triangle, X, right