Enter these codes while the game is paused. If you make a mistake, press R button to start over.

Code	Effect
B, A, B, X, Y, R	Invincible.
B, Y, X, B, R	Stage clear.
X, A, Y, Y, R	9 lives.
X, B, Y, A, R	Wet coat.
X, Y, B, X, R	99 time.
Y, B, Y, A, R	4 health.