Sonic Jumps into an All New Vertically Challenging Adventure! Play as Sonic or his friends leaping through familiar and new Sonic worlds to battle the evil Dr. Eggman, in both fixed Story levels and Arcade infinite modes. • Play as Sonic or his friends, such as Tails & Knuckles • Three different Sonic worlds including the legendary Green Hill Zone • 36 challenging levels in Story Mode • Jump to the highest of heights in the infinite Arcade Mode • Take on Dr. Eggman in exhilarating head-to-head Boss Battles • Earn or buy power ups, characters & more Source: The Publisher Website.