Special Course Selec
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Start a game and then go to the options screen. Enter mode select and
move to Options. Tap Right Shift, Right Shift, Left Shift, Right Shift,
Right Shift. You should be able to race in any course.

Ride the Super Cycle

Win the cup on any course, then go back and beat that record by at least
1 minuet and 29 seconds to get the Super Cycle.

Mirror Tracks and Endurance Race

If you come in first in all the tracks in the endurance mode you will
then be able to play the mirror versions.