DirectX steering wheels supported. 3D acceleration supported, but not required. Catch serious air with retractable wings and flight control. Precision power slides using the unique air braking system. Pit stops are a thing of the past-on-the-fly morphing fixes your car like new. Key Features ? Jeff Gordon's racing expertise fused with next generation stock car and track innovations. ? Race up to 40 cars* in XS of 300 MPH. ? 10 dynamically lit multi-path Super Speedways with extreme loops, jumps, and high-banked turns. ? 6 hi-tech, aerodynamic car designs with unique performance characteristics. ? 3 adjustable levels of competitor aggressiveness. ? Thundering3D sound.