PC Box including a code to download the game on Steam. Explore the Northstar Islands in this brand new adventure that brings back the fast-paced action and 2D platforming sequences from the classic Sonic games. Play as Sonic, Tails, Knuckles, and Amy Rose, and use the new Emerald Powers that offer new ways to move and attack. Traverse beautiful and unseen environments, alone or with up to 3 other players, to thwart the plans of Dr. Eggman, Fang, and a new enemy who seek to transform the giant animals of the islands into Badniks! For longtime fans and newcomers alike, Sonic Superstars is an ideal opportunity to dive into the world of Sonic.