Various Cheats and Hints
Unlock Super Circuits option
Enter Square Triangle X Square Circle Circle as a password
Unlock Super Circuit and bonus boarders
Enter Triangle X Square X Triangle Circle as a password for the Super Circuit and Ollie B
Unlock all tracks and circuits
Enter Square X Triangle Square Circle Circle as a password
Mr Blue
Enter Triangle X Square Circle X Square as a password
Ollie B
Enter Triangle X Square X Triangle Circle as a password
Unlock Circuit option
Enter X Circle X Triangle Triangle Square as a password