Dr. Eggman is up to his old tricks!
Join Sonic, Tails, Knuckles, and their new friend, Cream the Rabbit, as they take off on a blazingly fast quest to thwart Dr. Eggman's nefarious scheme. Dash through space age metal labyrinths and other new locales as Sonic, Tails, Knuckles and Cream
-Unlock special features and stages by collecting Chaos Emeralds and Special Rings
-4 players can compete on one Game Pak
-Visit the new Chao Garden and connect to Sonic Adventure 2: Battle on the Nintendo GameCube