Use the following steps to unlock the bonus track. First, complete an entire circuit and save it to a memory card. To save time in completing a circuit, enter the following password, start the race and drive very slowly to allow the timer to expire.

At the setup screen, quickly press L, R, L, R, L, R. All orange traffic cones will turn into touch-sensitive explosive mines.

At the setup screen, press Up, Right, Down, Left, Down, Right, Up, Left.

At the setup screen, press C-Up(4). If you entered the code correctly, an icon with the number "00.06" will appear at the bottom of the screen. Now cars that become stuck, such as on a wall, will remain at that location and not be moved back onto the course.

At the setup screen, hold Z and press Up, Down at the setup screen. Release Z and press Up, Down, Up, Down. If you entered the code correctly, a weight icon will appear at the top of the screen. Repeat this code to cycle through other gravity settings.

At the setup screen, 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. If you entered the code correctly, a checkered pattern will appear at the bottom of the screen. Repeat the code to cycle through normal, none, or rainbow textures.

At the setup screen, press Left, then hold Right and press C-Right. Release both buttons, then press C-Up, C-Left, C-Down, Z. If you entered the code correctly, a bus icon will appear at the bottom of the screen.

At the setup screen, hold Z + C-Left + C-Right (in that order). Continue to hold Z and release the other buttons. Hold C-Right + C-Left (in that order). Release all buttons. If you entered the code correctly, a disabled "R" icon will appear.

At the setup screen, hold Z + C-Down + C-Up (in that order). Continue to hold Z and release the other buttons. Hold C-Up + C-Down (in that order). If you entered the code correctly, a disabled clock icon will appear.

On the options screen, highlight the "Mirror" selection. Then, hold C-Left + C-Right + C-Up + C-Down and press Left or Right to access an "Extreme" option.

At the options screen, set the "Fog" option to the "Heavy" setting. Then, hold C-Left + C-Right + C-Up + C-Down and press Right to activate foggy night mode.

At the car selection screen, press C-Right(2), Z, C-Down, C-Up, Z, C-Left(2).

At the car selection screen, hold C-Right + C-Left (in that order). Release both buttons, then hold C-Left + C-Right (in that order). If you entered the code correctly, the tires on the car in the preview window will change. Repeat this code to cycle through the tire sizes.

At the car selection screen, 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). If you entered the code correctly, the tires on the car in the preview window will change. Repeat this code to cycle through the tire sizes.

At the car selection screen, 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). If you entered the code correctly, the size of the car in the preview window will change. Repeat this code to cycle through the car sizes.

At the car selection screen, hold Z and press C-Down(3) at the car selection screen. If you entered the code correctly, the color of the fog in the preview window will change.

At the car selection screen, hold C-Up and press Z(4). Repeat this code to toggle between two different crashed states.

Collect at least half of the six to eight keys hidden on any track in a regular race. The cab can only be selected on the same track from which it was unlocked.

Collect all of the six to eight keys hidden on any track in a regular race. The street rod can only be selected on the same track from which it was unlocked.

Beat all 24 races in the Circuit mode. Then at the track selection screen, press Z(4). If you entered the code correctly, you will hear the sound of a horn.

While playing a game, hold L and press Up or Down.

While the "Fast Times" or "Best Laps" information is displayed on the records screen, press L, R, L, R, L, R, L, R. Now blank entries will have random names and scores.

When crossing the finish line, crash your car. Then, hold L + R + Z while the phrase "Game Over" is flashing. Release the buttons at the high score screen. Now the crashed car will be racing in the replay.

Win a circuit. Then at the track selection screen, select the same player again and press Z(4) to enable a special car.

At the beginning of a two player practice game, abort the race during countdown. The timer will start at five minutes for both players. The timer for the player that is "it" will run. This player must tag the other player to make them "it" and force their clock to run. Note: player two is always "it" when the game begins.

Hold L + R and press the Analog-stick to rotate the screen.