From the back cover
"Brutal all terrain racing.
Next generation motocross on 10 bone-crushing outdoor tracks. Catch big air over land, sea, ice and snow.
Gut-Wrenching 3 Tracks:
Race muddy swamps, icy downhills, and choppy seas.
Stomach 200 foot drops, broken freeways, switchbacks, and suicide tracks.
Fight 20 riders thru championship, rally and elimination traces.
Powerful Air Bikes:
Harness a wild air bike that can buck, fly, surf, flip and spin at top sppeds.
Lasso tight turns with a grappling hook.
Master 20 unique riders on light and heavy bikes."