Bonus tracks (two player mode):
Begin game play in single player mode and reach the
bonus tracks. Intentionally lose and enter ATR as a name
on the high score screen. Restart the game and select two player
battle mode to access any bonus track.
Select battle mode and choose Forest World. Select
track two and race in a formula car. Intentionally allow player
one win all the races. Select battle mode after returning to
the title screen. Space World will now be selectable.