Cheat Mode
Enter the following codes at the game's title menu, where it says "PRESS START BUTTON." You will hear a sound if the code is enter correctly:
Deadline Mode
Press: Right, Circle, Triangle, Square, Square, Square, X.
Unlocks Arrest Mode
Press: Right, Right, Square, Triangle, X, Triangle.
Unlocks One Shot Kill Mode
Press: Right, Square, Square, X, Triangle, Square.
Altered Beast Mode
Press: Square, Square, Square, Triangle, X, Square, X, Triangle, Triangle, Square, Square, [riangle, X, Triangle, Square.