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.

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

Better enemy 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.

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.

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

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.

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.

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.

Play as Dynamo:
Finish in first place on all eight tracks on the first two rows of the grid in challenge mode.

Play as Roach:
Finish in first place on all sixteen tracks in the first four rows of the grid in challenge mode.

Play as Toxin:
Finish in first place on all twenty-four tracks in the first six rows of the grid in challenge mode.

Play as Project-X:
Finish in first place on all thirty-two tracks on the grid in challenge mode.

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.