Sonic The Hedgehog: DemoYou can now Download a Free Sonic the Hedgehog Demo from the xbox live Marketplace. Features When video game icon Sonic The Hedgehog™ debuted on the SEGA® Genesis in 1991, he shook up the action-platform genre with his signature speed and rebellious attitude. More than 44 million units later, Sonic celebrates his fifteenth anniversary and blazes his way onto next-generation consoles for an epic adventure that delivers the most intense sensation of speed experienced to date. The game is set in the beautiful lagoon city of Soleana. In his first adventure set in the human world, Sonic meets a beautiful princess named Elyse, whom he quickly befriends, but Princess Elyse is abducted by none other than the calculating Dr. Eggman, who is working under dark and sinister motives. In order to restore safety and serenity, Sonic maneuvers his way through a series of adventures and challenges where he encounters and interacts with a bevy of allies and enemies, and ultimately goes head to head against the menacing doctor to thwart his malicious plans. Along the way, Sonic encounters a mysterious character named Silver. Blocking him with unique supernatural powers, even the Blue dude with the 'tude will find it difficult to out-maneuver the enigmatic Silver! As Sonic speeds through the huge kingdom and within the human world, the mysteries unravel. Fifteen years in the making: After his 1991 debut, universal video game icon Sonic returns to his high-velocity roots to create a new dimension of entertainment. Speed redefined: Utilizing next-gen technologies, light bloom, and environmental motion-blur effects, Sonic’s breakneck speed and dazzling world come to life. Amigos and enemies: Sonic is joined by friends and foes from the franchise history, as well as a new character, Silver, whose supernatural powers wreak mayhem on Sonic's plans! Realistic world: Using a next-generation physics engine, Sonic’s moves, attacks and environment interaction respond realistically to opposing forces. The dynamic environments have been specifically created to promote Sonic’s sense of speed while delivering a great sense of scale. Different stages: In the town stages, Sonic explores vast environments and plays various sub-missions. In the action stages, Sonic's blistering speed is utilized in full effect. Multiplayer mode: Up to four players can play as Sonic and his amigos in high-spirited multiplayer fun!