Sonic Riders is a hoverboard-racing video game spin-off produced by Sega and developed by their second-party, Sonic Team's UGA Division for the Nintendo GameCube, Sony PlayStation 2, Microsoft Xbox and PC. It is the fourth racing game in the Sonic the Hedgehog series, preceded by Sonic Drift, Sonic Drift 2 and Sonic R. The characters race on floating airboards, air shoes and motorbikes powered by air, called "Extreme Gear".
The game was released to start off the 15th anniversary of the release of the Sonic the Hedgehog series. This game introduces five new playable characters, the Babylon Rogues and the E-10000 series. A sequel to Sonic Riders, entitled Sonic Riders: Zero Gravity, has been released in 2008 for the Wii and PlayStation 2. This was the last Sonic the Hedgehog game for the Nintendo Gamecube and Microsoft Xbox.
