Cel Damage Codes -

Unlock Cheat mode:
Submit the character selection screen, select "Load" then submit ENCHILADA! as the name to unlock all cars, tracks, and modes.

Unlock Invincibility:
Submit the character selection screen, select "Load" then submit CODY as the name.

Unlock Pen and ink graphics:
Submit the character selection screen, select "Load" then submit PENCILITIN as the name.

Plastic graphics:
Submit the character selection screen, select "Load" then submit FANPLASTIC as the name. Submit the event selection screen and highlight "Smack Attack". Press and select the "Event Settings" button. Then, select the "Options" button and select the "Rendering Modes" button. Change this option to ""Render: Plastic". The message "Current mode: plastic" will appear. Return to the even selection screen, then proceed to select a level and begin game play. To return to normal, repeat the steps and choose the cartoon renderer at the "Rendering Modes" screen.

Unlock Ranged weapons:
Submit the character selection screen, select "Load" then submit GUNSMOKE! as the name.

Unlock Melee weapons:
Submit the character selection screen, select "Load" then submit MELEEDEATH as the name.

Unlock Hazard weapons:
Submit the character selection screen, select "Load" then submit HAZARDOUS as the name.

Unlock Personal weapons:
Submit the character selection screen, select "Load" then submit UNIQUEWPNS as the name.

Unlock Movement power-ups:
Submit the character selection screen, select "Load" then submit MOVEITNOW as the name.

Unlock All FMV sequences:
Submit the character selection screen, select "Load" then submit MULTIPLEX! as the name.

Unlock Brian The Brain and Space world:
Submit the character selection screen, select "Load" then submit BRAINSALAD as the name.

Alternately, win Smack Attack, Gate Relay, and Flag Relay in all three levels of the Space world.
 

Unlock Count Earl and Transylvania world:
Submit the character selection screen, select "Load" then submit COUNTDEAD as the name.

Alternately, win Smack Attack, Gate Relay, and Flag Relay in all three levels of the Transylvania world.

Unlock T. Wrecks and Jungle world:
Submit the character selection screen, select "Load" then submit TWRECKSPAD as the name.

Alternately, win Smack Attack, Gate Relay, and Flag Relay in all three levels of the Jungle world.

Unlock Whack Angus and Desert world:
Submit the character selection screen, select "Load" then submit WHACKFAD as the name.

Unlock Big head mode:
Hold + + while playing the game.