Game Description:Namco brings its popular Ridge Racer series to the PSP with some innovative new twists. There are 54 cars to choose from and 24 racetracks to keep you busy, including four original tracks and classic courses from previous Ridge Racer games. A variety of single-player modes join the beefed-up Wireless Multiplayer mode, in which you can take on up to a whopping eight challengers! Unlock cars, tracks, and other bonuses in World Tour Mode. Or try out the brand new nitrous gauge and put some real heel to the steel. NOTE: Wi-Fi Compatible (Ad Hoc/Infrastructure).