All 32 standard tracks
Choose the "Secret Options" selection at the options screen, then hold Select and press Triangle, Circle(2), Triangle, Down, Up(2), Down.

Infinite power-ups
Choose the "Secret Options" selection at the options screen, then hold Select and press Circle, X, Triangle, Square, X, Left, X, Square(2), Circle, Left, Circle, Up, Triangle.

Maximum power specials
Choose the "Secret Options" selection at the options screen, then hold Select and press Square, X, R1, Circle, Up, Square, Down, Up, Down, X, Square.

Tanks mode
Choose the "Secret Options" selection at the options screen, then hold Select and press Down, Up, Square, Triangle, Circle, Triangle, Right, Triangle. Press R2 to shoot.

Motion blur mode
Choose the "Secret Options" selection at the options screen, then hold Select and press Triangle, Circle, Right, Triangle, Up, Right, Circle, Up, Square.

Slow CPU opponents
Choose the "Secret Options" selection at the options screen, then hold Select and press Up, Left, Triangle, Right, Triangle, Circle, Triangle, Square, Up, Triangle, Left.

Powered-up CPU opponents
Choose the "Secret Options" selection at the options screen, then hold Select and press Square, X, R1, Circle, Up, Square, Down, Up, Down, X, Square.

Increase opponents AI
Choose the "Secret Options" selection at the options screen, then hold Select and press Circle, Up, Triangle, Circle, Left, Triangle, Square(2), X, Down.

Banzai Bridge track
Finish in first place on all four tracks on the first row of the grid in challenge mode to unlock the Banzai Bridge track in time trial or multi-player versus modes.

Hygiene Highway track
Finish in first place on all twelve tracks on the three rows of the grid in challenge mode to unlock the Hygiene Highway track in time trial or multi-player versus modes.

Disorient Express track
Finish in first place on all twenty tracks on the five rows of the grid in challenge mode to unlock the Disorient Express track in time trial or multi-player versus modes.

A-Maze-Ing Race track
Finish in first place on all twenty-eight tracks on the seven rows of the grid in challenge mode to unlock the A-Maze-Ing Race track in time trial or multi-player versus modes.

Slippery mode
Finish in first place on all tracks in the fourth row from the left.

Nanomaniacs
Finish in first place on all tracks in the third row from the left.

Turbo vs. Freeplay
Finish in first place on all tracks in the second row to the left.

Aussie mode
Finish in first place on all the tracks on the first row from the left.