Unlimited Ammo

Pause the game by pressing Start, then enter L1, L2, R1, R2, Triangle, Circle, X, Square. 

All Weapons and Full Ammunition

Pause the game by pressing Start, then enter L1, L2, R1, R2, Triangle, Square, X, Circle. 

8 Pain Killers

Pause the game by pressing Start, then enter L1, L2, R2, R1, Triangle, Circle, X, Square.

Additional Difficulty Levels

Defeat the game successfully under the "Fugitive" difficulty to unlock the "Dead On Arrival" and ''The New York Minute'' difficulties.

   01/06/02

Invincibility 

Press start while playing the game and press, L1, L1, L2, L2, R1, R1, and R2, R2. Re-enter the code after every auto save.

All weapons and full ammunition 

Press start and enter L1, L2, R1, R2, Triangle, Circle, X, Square.

Level Select

During your game, once you get up to and finish Subway A1, return to the main menu and enter Up, Down, Left, Right, Up, Left, Down, Circle.

12/20/01