- Open Class Ad Hoc Wi-Fi competition Challenge anyone in numerous off-road vehicles against 3 other players (ATV, Monster truck, Sand rail, and more)
- Varied racing events See how your racing ability stacks up in varied modes like SuperMoto, Short track, Hill climbs, and Way point races
- New Off-Road vehicles Rip through the sand dunes in two new ATV models, launch off snow capped mountains with a redesigned monster truck, or show off two new pimped out 4x4 golf kart to country club friends
- New Tracks Compete on 8 new tracks built specifically for the PSP
- Outdoor Freestyle Check your skills in pulling off over 40 plus rider stunts in this new game mode
- Rhythm Racing Rainbow's Rhythm Racing physics engine perfectly re-creates each vehicles real world handling in order to conquer all dangerous terrain