Enter this code at the pause menu to toggle invulnerability on/off: L1, L1, L2, L2, R1, R1, R2, R2.

Play the game until you have passed the first subway level. Once the next level has loaded, go to the main menu and press... UP, DOWN, LEFT, RIGHT, UP, LEFT, DOWN, CIRCLE. Go to the load menu and all levels should be unlocked. When you start each of the levels you will have the same inventory that you had when you completed the first subway level.

To unlock all weapons, enter this code at the pause menu: L1, L2, R1, R2, TRIANGLE, CIRCLE, X, SQUARE.

To unlock slow motion sounds, enter this code at the pause screen: L1, L2, R1, R2, TRIANGLE, SQUARE, X, CIRCLE.

To get unlimited bullet time, enter this code at the pause screen: L1, L2, R1, R2, TRIANGLE, X, X, TRIANGLE.

 

State of Emergency
Invincibility:
Press L1, L2, R1, R2, X during game play. A message will confirm correct code entry.

Unlimited time in Kaos mode:
Press L1, L2, R1, R2, Circle during game play. A message will confirm correct code entry.

Unlimited ammunition:
Press L1, L2, R1, R2, Triangle during game play. A message will confirm correct code entry. You cannot be holding a weapon for this to work.

Mission skip:
Press Left(4), Triangle during game play. A message will confirm correct code entry.

Punches decapitate:
Press L1, L2, R1, R2, Square during game play. A message will confirm correct code entry.

Little player:
Press R1, R2, L1, L2, X during game play. A message will confirm correct code entry.

Big player:
Press R1, R2, L1, L2, Triangle during game play. A message will confirm correct code entry.

Normal player:
Press R1, R2, L1, L2, Circle during game play. No confirmation message will appear. Alternately, press R1, R2, L1, L2, Square during game play.

Looting on the rise:
Press R1, L1, R2, L2, Triangle during game play. A message will confirm correct code entry.

Bull:
Press Right(4), X during game play in Kaos mode. A message will confirm correct code entry. Alternately, successfully complete the East Side level in Revolution mode to unlock Bull in Kaos mode.

Freak:
Press Right(4), Circle during game play in Kaos mode. A message will confirm correct code entry. Alternately, successfully complete the Chinatown level in Revolution mode to unlock Freak in Kaos mode.

Spanky:
Press Right(4), Triangle during game play in Kaos mode. A message will confirm correct code entry. Alternately, successfully complete the Mall level in Revolution mode to unlock Spanky in Kaos mode.