Experience the ultimate celebration of the iconic Sonic with 2D Sonic Adventure Running at 60FPS and impressive HD Retro graphics. Dozens of playable characters will allow you to catch Sonic's frenzied speed, learn to fly with Tails or destroy obstacles with Knuckles. Experience all the old tracks with new additions and bosses, play against other players or in co-op and experience the ultimate madness. This collector's edition contains all the tracks from Sonic 1, 2, 3, Sonic & Knuckles and Sonic The Hedgehog CD with new additions, as well as new characters and enemies. All-new Encore Mode New multiplayer modes such as Competition Mode 2 new characters, Mighty Armadillo and Ray the Squirrel All classic levels redesigned with new enemies and bosses.   Pre-Order Bonus Holographic metal o-ring SEGA Megadrive reversible cover Art Book 32 pages