Cheat mode
 
 Enter "ENCHILADA!" as a name to unlock all cars, tracks, and modes.
 
 
 
 
 Invincibility
 
 Enter "CODY" as a name. 
 
 
 Brian The Brain and Space world
 
 Enter the character selection screen, select "Load" then enter "BRAINSALAD" 
 as a name to unlock Brian The Brain and Space world. Alternately, 
 win Smack Attack, Gate Relay, and Flag Relay in all three levels 
 of the Space world.
 
 
 
 Count Earl and Transylvania world
 
 Enter the character selection screen, select "Load" then enter "COUNTDEAD" 
 as a name to unlock Count Earl and Transylvania world. Alternately, 
 win Smack Attack, Gate Relay, and Flag Relay in all three levels 
 of the Transylvania world.
 
 
 
 T. Wrecks and Jungle world
 
 Enter the character selection screen, select "Load" then enter "TWRECKSPAD" 
 as a name to unlock T. Wrecks and Jungle world. Alternately, win 
 Smack Attack, Gate Relay, and Flag Relay in all three levels of 
 the Jungle world.
 
 
 
 Whack Angus and Desert world
 
 Enter the character selection screen, select "Load" then enter "WHACKFAD" 
 as a name to unlock Whack Angus and Desert world. Alternately, unlock 
 all modes (Smack Attack, Flag Rally, Gate Relay), then win all three 
 levels in the Desert world in each one (total of nine).
 
 
 
 
 Melee weapons
 
 Enter the character selection screen, select "Load" then enter "MELEEDEATH" 
 as a name.
 
 
 
 Hazard weapons
 
 Enter the character selection screen, select "Load" then enter "HAZARDOUS" 
 as a name.
 
 
 
 Personal weapons
 
 Enter the character selection screen, select "Load" then enter "UNIQUEWPNS" 
 as a name.
 
 
 
 Ranged weapons
 
 Enter the character selection screen, select "Load", then enter 
 "GUNSMOKE!" as a name.
 
 
 
 Movement power-ups
 
 Enter the character selection screen, select "Load", then enter 
 "MOVEITNOW" as a name.
 
 
 
 Plastic graphics
 
 Enter the character selection screen, select "Load" then enter "FANPLASTIC" 
 as a name. Enter the event selection screen and highlight "Smack 
 Attack". Press Down 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.
 
 
 
 Pen and ink graphics
 
 Enter the character selection screen, select "Load" then enter "PENCILS" 
 as a name.
 
 
 
 All FMV sequences
 
 Enter the character selection screen, select "Load", then enter 
 "MULTIPLEX!" as a name.
 
 
 
 Big head mode
 
 While playing a game, hold L + R + Up.
 
 
 Additional FMV sequences
 
 Successfully complete Smack Attack, Gate Relay, and Flag Relay with 
 each character to unlock additional FMV sequences.