Various cheats:
     Enter the following as your name:

Cheat code:     Effect:
(nothing)       Will display MR DULL in name, makes announcer sound 
                dull
CINEMA          Wide screen mode (1 player only)
DR DEATH        Track is 2x as long, 2x laps, and other players try to 
kill each other as well as you
DUEL            Expert enemies
FORMULA 1       Alternate set of cars
FREAKY          Inverts colors
GOLDBOY         Bonus Tracks (8 bonus tracks)
I WON           Shows win sequence
LOVEBUN         Cheat Indy Car (cheat key releases ice onto track)
MAYTE           Cheat Car (Hold down cheat key for super speed and
                acceleration)
MRFROSTY        Track becomes slippery
MR ZOOM         Speeds up game
MREPRISE        Premire Cup (8 extra tracks)
REMOVE          Will display MR BRUSH, removes all cheats
SUICYCO         Cheat Car (cheat key destroys other players
                within range)
SUPERMAN        No destruction to your car
TACHYONS        Super fast game
TINKLE          Cheat Car (cheat key makes other cars flip in the air)
TINYTOTS        Shrinks cars and they drive just like motorcycles
TOPTUNES        Alternate tunes
WARPGATE        Cars warp
YOTARACE        Tracks 2x as wide and long(distance)