Xtreme Sports

Note: This game is also titled Extreme Sports.

Hidden course:
Select the Himalaya track under the easy difficulty setting. Enter the "skeleton" tunnel, and turn to follow the alternate route to the left. Collect the medallion to unlock a hidden ATV course.

Hard difficulty setting:
Win first place under the easy difficulty setting.

Expert difficulty setting:
Win first place under the hard difficulty setting.

Hint: Bonus trick medallion:
Under the easy difficulty setting, choose Maui. Towards the end of the race (snowboarding), go to the left on the last grind rail.
Information in this section was contributed by Dvwoodman.