- ALL ENVIRONMENTS IN ISTANT ACTION:
AT NEW GAME/CONTINUE SCREEN, PRESS LEFT, RIGHT, UP, DOWN, LEFT, RIGHT, L+R, L+R. YOU'LL HEAR A SOUND.
- INVINCIBLE:
AT NEW GAME/CONTINUE SCREEN, PRESS UP, DOWN, LEFT, RIGHT, LEFT, LEFT, RIGHT, RIGHT, L, L, R, R, WHITE, BLACK. YOU'LL HEAR A SOUND.
- INFINITE AMMO:
AT NEW GAME/CONTINUE SCREEN, PRESS UP, RIGHT, DOWN, LEFT, UP, RIGHT, DOWN, LEFT, L+R. YOU'LL HEAR A SOUND.
- BIG HEAD MODE:
AT NEW GAME/CONTINUE SCREEN, PRESS RIGHT, UP, LEFT, DOWN, RIGHT, UP, LEFT, DOWN, RIGHT, L+R, L+R. YOU'LL HEAR A SOUND.
