Sega Ages: Dynamite Deka Cheats (PlayStation 2)

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.