Invincible
Press [X]x3, [R], [A], [L]x2,
[Y] at the code entry screen.
God Mode
Press [Y], [A], [B], [X], [B],
[A]x2, [L] at the code entry screen.
Fill Health Bar
Press [X], [R], [A], [Y], [Black],
[B], [A], [R] at the code entry screen.
Fill Ammo
Press [Black], [B], [A], [R]x2,
[A], [L], [Black] during game play.
Big Heads
Press [L], [Black], [B], [White]x2,
[B], [Black], [L] at the code entry screen.
Big Hands
Press [R], [White], [X], [L], [White],
[R]x2, [Y] at the code entry screen.
Big Boots
Press [R], [White], [Y], [A], [L],
[B], [White], [X] at the code entry screen.