- 9MM HIGH-POWER GUN:
AT MISSION SELECT, PRESS R, L, Cv, C^, C^. YOU'LL HEAR "AH THAT'S BETTER"
- UZI:
AT MISSION SELECT, PRESS C>, C<, C>, Cv, R. YOU'LL HEAR "AH THAT'S BETTER"
- MINI-ROCKET LUANCHER:
AT MISSION SELECT, PRESS R, L, C<, C>, Cv. YOU'LL HEAR "AH THAT'S BETTER"
- TURBO MODE:
AT MISSION SELECT, PRESS C^, Z, C^, Z, C^. YOU'LL HEAR "AH THAT'S BETTER"
- KID MODE:
AT MISSION SELECT, PRESS Cv, C^, R, L, Z. YOU'LL HEAR "AH THAT'S BETTER"
- BIG HEAD MODE:
AT MISSION SELECT, PRESS Cv, R, C^, L, C>. YOU'LL HEAR "AH THAT'S BETTER"
- BIG FEET MODE:
AT MISSION SELECT, PRESS Cv, R, Z, C>, C<. YOU'LL HEAR "AH THAT'S BETTER"
- GIANT HEAD MODE:
AT MISSION SELECT, PRESS Cv, L, C^, C>, L. YOU'LL HEAR "AH THAT'S BETTER"
- INVINCIBLE:
AT MISSION SELECT, PRESS R, Z, Cv, R, Cv. YOU'LL HEAR "AH THAT'S BETTER"
- INFINITE AMMO:
AT MISSION SELECT, PRESS C^, Z, C<, Z, L. YOU'LL HEAR "AH THAT'S BETTER"
- EASY MODE:
AT MISSION SELECT, PRESS C^, Z, RAPIDLY UNTIL YOU HEAR "AH THAT'S BETTER"
- SECRET LEVEL:
BEAT THE GAME WAIT UNTIL ENDING CREDITS ARE OVER.