Reduce falling damage
Press L2 when falling from a high place to reduce your damage when you hit the ground.

Infinite health
During a game, press Select, then highlight HELP and press L2, L1, L2, Square, Circle, Square, R3, L3, R3, Circle.

Easy kills
Here's how to get single hit kills. During a game, press Select, then highlight HELP and press L2, L1, L2, Square, Circle, Square, L3, R3, Circle, Square.

Tiny characters
During a game, press Select, then highlight HELP and press L2, L1, L2, Square, Circle, Square, L3, R3, Square, Circle. Larger characters During a game, press Select, then highlight HELP and press L2, L1, L2, Square, Circle, Square, R3, Square, Circle, L3.

Big head mode
During a game, press Select, then highlight HELP and press L2, L1, L2, Square, Circle, Square, Start, Square, Circle, Start.

Hard mode
During a game, press Select, then highlight HELP and press L2, L1, L2, Square, Circle, Square, R3, L3, Circle, Square.

Character select
During a game, press Select, then highlight HELP and press L2, L1, L2, Square, Circle, Square, L2, L2, L2, L2. Press L2 to cycle through the characters.

Unlimited Phase Cloak
During gameplay, press Select, highlight Help and press L2, L1, L2, Square, Circle, Square, L1, R2, L2, L3.

Gatling Gun's Mode
This will make your gun fire like a machine gun. Press Select. Highlight the HELP option and enter: L2, L1, L2, Square, Circle, Square, L2, L2, L1, L3.

Fists Of Legend Mode
This will make you enemies fly when you punch them. Press Select. Highlight the HELP option and enter: L2, L1, L2, Square, Circle, Square, R3, L3, Circle, Square.

Level Skip
The following code must be done during gameplay and a sound will confirm the correct code: Press Select. Highlight the HELP option and enter: L2, L1, L2, Square, Circle, Square, L3, R3, L2, L1.

All Ammo And Hypo
While playing a game, press Select. Highlight "Help", then press L2, L1, L2, Square, Circle, Square, Circle, Circle, Circle, R3.