Super bikes:
Press Left(2), Right(2), Z, Y at the arcade mode transmission selection screen for a Super bike with manual transmission. Press Up(2), Down(2), Right, Left, Z, Y for a Super bike with automatic transmission. Press X + Y + Z + L + R for a third type of Super bike. The word "go" will be spoken to confirm correct code entry. The Super bikes are normally awarded after finishing in first place on all tracks in challenge mode.

Tantalus bike:
Press L(2), R(2), Left, Right, Left, Z, Y, Z at the arcade mode transmission selection screen. Wait until the countdown ends. A grey superbike with a Tantalus logo on the rider will appear when game play begins.

Cheat mode:
Select Saturn mode and finish in first place four times consecutively. Enter OPT as initials after each race. After the fourth victory, press Up, Down(2), Up at the starting menu. Then select a two player game, to access the cheat menu.

Sheep race:
Press Up(2), Down(2), Left, Right, Z, Y at the transmission selection screen. The sound of a sheep will confirm correct code entry.

Music test:
Note: This code requires the 3D analog controller. Hold X + Y + Z and select arcade mode at the main menu. Two sounds will play to confirm correct code entry. Release the buttons and select a track with the 3D analog pad to hear the music for that track.

Full pause screen:
Pause game play, then press X + Y + Z.