It's time to prove once and for all, who's the best on the track. Begin I Practice mode, getting a sense of each track's twists and turns, then try your hand at Motocross, Supercross, and Freestyle modes. Each presents unique challenges and gameplay styles, and each is wrought with sand, ice, mud, and other stuff that's sure to make your ride a tough one. Solid play will let you unlock different bikes, paths, and cool tricks, and winning races will earn you cash for all-important upgrades.