Excellent graphics, intuitive interface, groovy music! Choose between Brog and Grag and then pick your (almost Flinestones like) car. Forward, reverse, and the brakes are all pretty self-explanatory. Tilt the iphone to handle the curvy course. Oh and there is a very helpful map on the upper right to help you navigate where you are in regards to the other drivers. My only issue with this game is that I find I get turned around and am driving in the wrong direction too easily. Then, a big red X flashes on the screen. Maybe I just need more practice!