Mines
Quickly press (L), (R), (L), (R), (L), (R) at the setup screen. All orange traffic cones will turn into touch-sensitive explosive mines.
Upside down tracks
Press [Up], [Right], [Down], [Left], [Down], [Right], [Up], [Left] at the setup screen.
Race as a mine
Press (C-Right)x2, (Z), (C-Down), (C-Up), (Z), (C-Left)x2 at the car selection screen.
Race as a taxi
Collect at least half of the six to eight keys hidden on any track in a regular race. The cab may only be selected on the same track from which it was unlocked.
Race as a street rod
Collect all of the six to eight keys hidden on any track in a regular race. The street rod may only be selected on the same track from which it was unlocked.
Race as Formula 1 car
Complete all 24 races in the Circuit mode in first place. Then, press (Z)x4 at the track selection screen. The sound of a horn will confirm correct code entry. This can also be accessed by entering the password found under "The Rock (Alcatraz) bonus track" code.
Disable stuck car help
Press (C-Up)x4 at the setup screen. An icon with the number "00.06" will appear at the bottom of the screen to confirm correct code entry. Cars that become stuck, such as on a wall, will remain at that location and not be moved back onto the course.
Change rear tire size
Hold (C-Right) + (C-Left) (in that order) at the car selection screen. Release both buttons, then hold (C-Left) + (C-Right) (in that order). The tires on the car in the preview window will change to confirm correct code entry. Repeat this code to cycle through the tire sizes.
Change front tire size
Hold (C-Left) + (C-Right) (in that order) at the car selection screen. Release both buttons, then hold (C-Right) + (C-Left) (in that order). The tires on the car in the preview window will change to confirm correct code entry. Repeat this code to cycle through the tire sizes.
Change car size
Hold (C-Down) + (C-Up) (in that order) at the car selection screen. Release both buttons, then hold (C-Up) + (C-Down) (in that order). The size of the car in the preview window will change to confirm correct code entry. Repeat this code to cycle through the car sizes.
Alternate fog color
Hold (Z) and press (C-Down)x3 at the car selection screen. The color of the fog in the preview window will change to confirm correct code entry.
Toggle gravity
Hold (Z) and press [Up], [Down] at the setup screen. Release (Z) and press [Up], [Down], [Up], [Down]. A weight icon will appear at the top of the screen to confirm correct code entry. Repeat this code to cycle through other gravity settings.
Toggle road textures
Hold (C-Right) and press the (L) at the setup screen. Release the buttons and press (Z) Button. Hold (C-Right) then press the (L). Release the buttons and press (Z) Button. A checkered pattern will appear at the bottom of the screen to confirm correct code entry. Repeat the code to cycle through normal, none, or rainbow textures.
Toggle camera distance and height
Hold (L) and press [Up] or [Down] during game play.
Random high score entries
Press (L), (R), (L), (R), (L), (R), (L), (R) while the "Fast Times" or "Best Laps" (n is displayed on the records screen. Blank entries will have random names and scores.
Toggle car collision damage
Press [Left], then hold [Right] and press (C-Right) at the setup screen. Release both buttons, then press (C-Up), (C-Left), (C-Down), (Z). A bus icon will appear at the bottom of the screen to confirm correct code entry.
Crashed car replay
Crash your car when crossing the finish line. Hold (L) + (R) + (Z) while the phrase "Game Over" is flashing. Release the buttons at the high score screen. The crashed car will be racing in the replay.
Drive crashed car
Hold (C-Up) and press (Z)x4 at the car selection screen. Repeat this code to toggle between two different crashed states.
Resume race from crash location
Hold (Z) + (C-Left) + (C-Right) (in that order) at the setup screen. Continue to hold (Z) and release the other buttons. Hold (C-Right) + (C-Left) (in that order). Release all buttons. A disabled "R" icon will appear to confirm correct code entry.
Enable special car in circuit mode
Win a circuit. If the same player is selected again, press (Z)x4 at the track selection screen to enable the special car.
Toggle race clock
Hold (Z) + (C-Down) + (C-Up) (in that order) at the setup screen. Continue to hold (Z) and release the other buttons. Hold (C-Up) + (C-Down) (in that order). A disabled clock icon will appear to confirm correct code entry.
Switch control directions
Highlight the "Mirror" selection on the Options screen. Hold (C-Left) + (C-Right) + (C-Up) + (C-Down) and press [Left] or [Right] to access an "Extreme" option.