Body upgrade: Get a gold cup in any of the same levels of the championship
cup on road or off road tracks to get a new upgraded body. This
can be done on all of the tracks.
Information in this section was contributed by Mike Semrow.
Special parts: Win the indicated course in either on-road or off-road
mode to unlock the corresponding special part.
Completion bonus: Win Championship mode and save the game at the end.
You can play in New Game+ mode, which allows you to start with
previously purchased parts, except for body parts.
