Give All Weapons:
During gameplay, click in the Left Analog stick and press X, Y, A, B. A message will confirm correct entry.
God Mode:
During gameplay, click in the Left Analog stick and press B, A, Y, X. A message will confirm correct entry.
Stage Select Cheat:
While playing (or in an in-game menu) push in the LEFT JOYSTICK and press BLACK, B, A, WHITE.
Unlimited Ammo:
During gameplay, click in the Left Analog stick and press BLACK, A, Y, WHITE. A message will confirm correct entry.