OS: Windows XP/2000/98 Processor: Pentium III 1.0 GHz / AMD RAM: 256 MB Hard Drive: 3 GB available space Graphics: 64 MB DirectX: Version 9.0c Sonic Riders PC Game Free Download Full Version - 58Sonic Riders PC Game Free Download Full Version - 39Sonic Riders PC Game Free Download Full Version - 57Sonic Riders PC Game Free Download Full Version - 21