Game Description:Hop into the seat and fly down the fastest race tracks in the world in IndyCar Series 2005. Reaching speeds above 230 mph, you can taunt your friends online through voice chat and Xbox Live. Ride on the edge through a full season of IndyCar Series racing. Compete on real-world tracks including the Texas Motor Speedway, Chicagoland Speedway and Japan's Twin Ring Motegi Speedway. Use drafting, fuel mixtures, wind angles, mirrors, and weight jackers to gain the winning edge. Up to 16 players can race head-to-head online. Commentary is provided by ABC Sports' Dan Wheldon.