Enter the following Cheat Codes at the "Press Start" screen to get the desired effect. You'll hear an engine noise to confirm each time you enter a code correctly.
|Up,Up,Down,Down,Left,Right,Left,Right,B,A||90 Boltz and all Races unlocked|
|Up,Up,Left,Right,Right,Left,Down,Down||Unlock all Character colors|
|Right,Down,Right,B||Unlock all Characters|
|Left,Down,Right,A||Unlock all screenshots at the Drive-In|
|Left, Left, Right, Right, B, B, A||Unlock the Radiator Cap Secret Circuit|
Contributed By: shadowcore76, Gary_K, and Scj323347.