Secret options cheats (Must be preformed to enter cheats)
Select options at the main menu then choose secret options. Once you're at the this screen, press and hold the select button while you enter the following codes....
All Tracks Unlocked
Triangle, Circle, Circle, Traingel, Down, Up, Up, Down
Infinite Power-Ups
Circle, X, Triangle, Square, X, left, X, Square, Square, Circle, Left, Circle, Up, Triangle
Tough Guys
Suqare, X, R1, Circle, Up, Square, Down, Up, Down, X, Square
Tanks Mode
Down, Up, Square, Triangle, Circle, Trinagle, Right, Triangle
Motion Blur
Triangle, Circle, Right, Trinagle, Up, Right, Circle, Up, Square
Slow AI
Up, Left, Trinangle, Right, Triangle, Circle, Triangle, Square, Up, Triangle, Left
Ultimate AI
Circle, Up, Triangle, Circle, Left, Triangle, Circle, Square, Square, X, Down