Type in !DAMAGE! for immunity.
At Password screen type in nplayers and you can choose the number of racers in 'Race Practice.'
Enter the Password Derbyman and the other cars will start the race smoking!
Wanna see the makers? (PSX only)
Reflections Team - As game is loading, wait for screen with piracy warning. Then simultaneously press and hold L1, Left, and O.
When you go in to the championship mode for any race type in the word MARINO. Now you will not get hurt at all.
For an extra track, type REFLECT!
Haul some tushy! Type SPEEDY!