For the following codes, enter them at the main menu, a message will be displayed to confirm correct code entry
Level select
X, Y, Z(2), X, Y, Z(2)
Invincibility
L, R, L, R, L, R, L, R
Big heads
R(2), L, R
Small heads
L(2), R, L
Hot fists
L(2), X, B, Y, L(2)
Exploding bullets
L, R, Z, Y, B