No damage or failures
At the title screen, press L, Z, Start, Up(2).

100,000 sponsor credits in support van
At the title screen, press L, Z, Start, L(2).

Max championship points in support van
At the title screen, press L, C-Up, Left, L(2).

Speed-based aspect ratio
At the title screen, press Z, C-Left, L, Up, Right.

Speed warp view
At the title screen, press Z, C-Left, R, Up, Right.

Fat world
At the title screen, press Z, C-Right, L, Up, Right.

Thin world
At the title screen, press Z, C-Right, R, Up, Right.

Upside down world
At the title screen, press C-Up, Z, Start, Up, Down.

Volcano valley world
At the title screen, press C-Left, Z, R, L, Down.

Bouncy cars
At the title screen, press C-Up, C-Left, R, Up, Left.

Large tire
At the title screen, press C-Left, Z, R, Down(2).

Wobbly tire
At the title screen, press R, C-Right, Start, Down, Z.

Hi-rez mode
At the title screen, press C-Left(2), Left, L(2). Note: This code requires the 4MB RAM expansion pak.

Repair power
At the race description screen, press L, Z, R, L, Start.