- STAGE SELECT:
AT MAIN MENU, PRESS DOWN, UP, C<, DOWN, C<, C>, DOWN, C>.
- GAMEBOY MODE:
AT SETUP MENU, PRESS UP, DOWN, RIGHT, C<, DOWN, UP, LEFT, C>, UP,
DOWN.
- FLAME THROWER:
DURING GAME, PRESS DOWN, RIGHT, DOWN, RIGHT, C>.
- 4-WAY FIRE:
DURING GAME, PRESS DOWN, DOWN, UP, C>.
- 3-WAY FIRE:
DURING GAME, PRESS RIGHT, RIGHT, C<, Cv.
- 2-WAY FIRE:
DURING GAME, PRESS UP, C^, UP, C^.
- RADIATION SPRAY:
DURING GAME, PRESS UP, DOWN, C>, C<.
- SHIELD:
DURING GAME, PRESS DOWN, LEFT, C<, C>.
- SPEED UP:
DURING GAME, PRESS LEFT, LEFT, RIGHT, RIGHT, C^.
- 110 LIVES PASSWORDS:
EASY: BSBBBBTJBB
NORMAL: BCBBLBTJBB
INSANE: BFBBBCTJBB
