All Weapons :
During a game, press pause. Then Hold down L! and press Square, Circle, Up, Down, Cross, Square. If the code was entered correctly, you will hear a gun shot.


Level Select :
During a game press pause. Then Hold L1 and press Triangle, Up, Cross, Down. If the code is entered correctly you will hear a gun shot. The level select menu should appear on the main menu.


Unlimited Lives :
During a game press pause. Then Hold L1 and press Triangle, Circle, Cross, Square. You will hear a sound if the code has been entered correctly.


Continue from last location :
Resume the game after losing a life. Then, pause game play, hold L1 and press Square, Circle, Cross. The sound of a gun will confirm correct code entry.


Debug Menu :
Pause the game, Hold L1 and press Down, Down, Triangle. If you entered the code correctly, you will hear a gunshot.


Refill Health :
Pause the game, Hold L1 and press Square, Cross, Triangle, Circle. If you entered the code correctly, you will hear a gunshot.


Endless Fall :
Pause the game, Hold L1 and press Cross (6). If you entered the code correctly, you will hear a gunshot. Then there will be no end when you fall. Enter this code again to disable it.


Remove Weapon and Health Meter :
Pause the game, Hold L1 and press Up, Square, Up, X. If you entered the code correctly, you will hear a gunshot.