Various Codes
Pause the game and enter the codes during gameplay. A voice byte will play if the code was accepted.
All weapons - UP, DOWN, LEFT, RIGHT, LEFT, RIGHT, LEFT, LEFT
Inf ammo - UP, DOWN, LEFT, RIGHT, UP, LEFT, DOWN, RIGHT
Inf Necroplasm - UP, DOWN, LEFT, RIGHT, DOWN, LEFT, UP, RIGHT
No blood - UP, DOWN, LEFT, RIGHT, UP, UP, UP, UP.
Unlock all comics - UP, DOWN, LEFT, RIGHT, RIGHT, LEFT, LEFT, UP.
All missions - UP, DOWN, LEFT, RIGHT, LEFT, LEFT, RIGHT, RIGHT.
Encyclopedia - UP, DOWN, LEFT, RIGHT, LEFT,RIGHT, UP, DOWN.
Unlimited Health
Enter X, Left, Circle, Right, R2, L2, Up, Up.
All Weapons
To unlock all weapons you must press Start and then Up, Down, Right, Left, R1, R2, L1, L2.