Xtreme Sports Game System: Sega Dreamcast Cheat Category: Cheat Game Company: Unknown Game Category: Unknown Hint, Cheat, Walkthrough:   Xtreme Sports ============= Hidden track: (submitted by: beyen68) Choose the Himalaya track on easy. Go into the skeleton tunnel, choose the alternate route to the left. Pick up the medallion and you've unlocked a hidden ATV track.