Moto Roader
Special course:
Hold Select and press Left on the course selection
screen.
Get $50,000:
Hold Select and press II on the course selection
screen.
See winning time:
Hold Select and press Right on the course selection
screen.
Music select:
Hold Select and press I or II while the game is
paused.
Sound test:
Input MUSIC or ART88 as a player name.