The game's story centers on the series' main antagonist Doctor Eggman, disguising himself as 'King Doc of Toreggmania', announcing a second World Grand Prix, secretly planning to gather data from the riders to program into his robots. It is a direct sequel to Sonic Riders: Zero Gravity. Sonic Free Riders is the seventh racing game in the Sonic the Hedgehog series, and the third entry in the Sonic Riders trilogy. The game requires the use of Microsoft's Kinect peripheral and was a Kinect launch title in November 2010. Sonic Free Riders is a motion controlled racing video game developed by Sonic Team and published by Sega for the Xbox 360.
