Various cheats
     Use the following names to get the desired effect:

Cheat code:             Effect:
CUAQUEZ                 Challenge mode
MACHOMAN                Unlock all cars
MADDUCK                 Trophy mode
MORATA                  Unlock all tracks
OOOH SI                 Championship in professional mode
PACMAN                  Unlock all game modes
PEROPAVO                Unlock all cars, tracks and modes
THEMASTER               Unlock all arcade mode bonuses