Select "Enter Code" at the "Options" menu. Enter one of the following codes to activate the corresponding cheat function. Repeat code entry to disable its effect.

All tracks, speeds and championships
Press B, 2, Left, 1, Right, Plus, A.

Aggressive opponents
Press Up, Left, Down, Right, Up, Left, Down.

Chim Chim
Press 1, 2, B, A, Plus, 1, 2.

Final three cars
Press 1, 2, 1, 2, B, A, Plus, Minus.

Granite car
Press B, Up, Minus, Plus, 1, Up, Plus.

Invincibility
Press A, B, A, Up, Left, Down, Right.

Low gravity
Press Up, Plus, Up, Right, Minus, Up, Minus.

High pitched voices
Press Minus, Up, Minus, 2, Minus, Up, Minus.

Micro cars
Press Minus, Up, Minus, Plus, Up, Minus, Plus.

Monster truck
Press B, Up, Minus, 2, B, Up, Minus.

Overkill
Press A, Minus, Plus, Down, Up, Plus, 1.

Passive opponents
Press Up, Right, Down, Left, Up, Right, Down.

Psychedelic graphics
Press Left, A, Right, Down, B, Up, Minus.

Super speed
Press 1, A, Minus, Down, Up, Minus, B.

Tiny opponents
Press B, A, Left, Down, Minus, Up, Minus.

Tiny player
Press B, A, Left, Down, B, Up, Minus.

Treacle (slow motion) mode
Press Down, A, Minus, Plus, B, Up, Minus.

Unlimited boost
Press B, A, Down, Up, B, A, Down.

Up-sized cars
Press 1, Minus, Plus, Left, Up, Minus, Plus.