Sonic Riders: Zero Gravity for the Nintendo Wii is a racing video game featuring Sonic the Hedgehog. Released in 2008, the game is suitable for all ages with an E-Everyone rating. The complete in box (CIB) unit includes the game disc, manual, and case, making it a great addition to any video game collection. Players can enjoy racing in zero gravity as Sonic and friends in this exciting game that offers fun and challenges for fans of the Sonic the Hedgehog series.