Moto Roader II

Enable the "Level select" code. When "Test" appears at the bottom, hold Select and press II. The word "Rich" will appear to confirm correct code entry.

Hold Select and press Right, Left, Right, Left at the course selection screen. Then, press Right while still holding Select until the desired level is displayed.

Pause game play, then hold Select and press II to cycle through the music tracks.

While playing, pause the game, hold Select and press II to cycle through the music.