Lazy Mode
At the New Game screen, just after "Press Start" appears, hold L1+L2+R1+R2 and press Down, Left, Down, Triangle, Down. A Message confirms correct code entry. All levels, minigames and FMV sequences unlocked.

10,000 Bullets Mode
Hold L1+L2+R1+R2 at the new game screen and press Up, Left, Down, Right, Circle. Message confirms code entry. Unlimited ammunition.

Boomstick Mode
Hold L1+L2+R1+R2 at the New Game screen and press Right, Circle, Circle, Circle, Square. Message confirms code entry. Mode has unlimited shotguns.

Invisible Character
At the New Game screen, hold L1+L2+R1+R2 and press Right, Square, Left, Circle, Triangle. Message confirms code entry. Powered by Coranto [an error occurred while processing the directive]