Hold L1 and press Square, Circle, Down, Left, Circle(2), Triangle at the main menu.
Daywalker difficulty setting
Hold L1 and press Left, Circle, Up, Down, Square, Circle, X at the main menu.
Escorted NPCs are invincible
Pause game play, then hold L1 and press Square, Circle, Triangle, X, Square, Circle, Triangle, X. This code can only be enabled in levels that you are escorting NPCs.
Level select
Hold L1 and press Down, Up, Left(2), Circle, Right, Down, Square at the main menu.
Unlimited ammunition
Pause game play, then hold L1 and press Left, Circle, Right, Square, Up, Triangle, Down, X.
Unlimited health
Pause game play, then hold L1 and press Triangle, Square, Triangle, Square, Triangle, Circle, Triangle, Circle.
Unlimited rage
Pause game play, then hold L1 and press Left, Down, Left, Down, Right, Up, Right, Up.
All weapons...