While playing in Kaos Mode, press Right, Right, Right, Right, X.
Freak
While playing in Kaos Mode, press Right, Right, Right, Right, Circle.
Get Last Clone Standing Game
Use Kaos mode and beat both the 3 and 5 minute timed games for the map.
Invincibility
While playing, press L1, L2, R1, R2, X.
Little Player
While playing, press R1, R2, L1, L2, X.
Looting on the Rise
While playing, press R1, L1, R2, L2, Triangle.
Mission Skip
If you keep trying a mission over and over, or you simply do not want to beat it, enter this code. It skips your mission, but on the stats screen, it shows that you did that mission 100%. Enter left left left left triangle during gameplay. A message will not pop up, but only a message from the person who's mission you did. Keep doing it over and over as many times as you want to beat that level fast.
Normal Player
While playing, press R1, R2, L1, L2, Circle.
Punches Decapitate
While playing, press L1, L2, R1, R2, Square.
Spanky
While playing in Kaos Mode, press Right, Right, Right, Right, Triangle.
Unlimited Ammo
While playing, press L1, L2, R1, R2, Triangle.
Unlimited Time in Kaos Mode
While playing, press L1, L2, R1, R2, Circle.
Unlock Kaos Mode maps
Chinatown - Get 25,000 points using Kaos Mode in Capital City Mall
East Side - Get 50,000 points using Kaos Mode in Chinatown
Corporation Central - Get 100,000 points using Kaos Mode in East Side
Unlock Weapons
During a game, enter any of the following codes to unlock the corresponding weapon. If you entered the code correctly, you'll automatically be armed with the unlocked weapon.