It seems like Dr. Eggman is back to his old antics! Join Sonic, Tails, Knuckles, and their new ally, Cream the Rabbit, as they go on a blazingly quick mission to foil Dr. Eggman's dastardly plot. Take control of Sonic, Tails, Knuckles, and Cream as you race through space-age metal labyrinths and other new environments. By amassing a collection of Chaos Emeralds and unique rings, you may unlock special features and stages. One game has room for a maximum of four players. Pak -Connect your Nintendo GameCube to Sonic Adventure 2: Battle and adventure in the brand-new Chao Garden.