Powerboat Challenge™ 3D, the multi-award-winning water racing spectacle, comes with improved graphics, analogue controls and rich realsound now also for your iPhone. Pimp up your powerboat and go full throttle to compete against cool dudes and hot chicks in high-speed racing on twisted rivers. Prove your drive style and pass the buoys correctly along the course to fill up your boost bar and to unlock additional tuning options. With the prize money you win in the races you can upgrade your boat with bigger engines, chip tuning, fatter turbos, spoilers and such.