Sonic Riders (ソニックライダーズ, Sonikku Raidāzu) is a 2006video game spin-off developed by Sonic Team, with production assistance by Now Production, for the PlayStation 2, GameCube, Xbox and Microsoft Windows. It is the fourth racing game in the Sonic the Hedgehog series, preceded by Sonic Drift, Sonic Drift 2 and Sonic R.The game was released to start off the 15th anniversary of the release of the Sonic the Hedgehog series.