Description of the product In the latest game from the team behind Sonic Colors and Sonic Generations, take part in an epic, fast-paced battle to save a world that has been destroyed by Dr. Eggman and an enigmatic villain. Jump over dangerous platforms as Classic Sonic, experience fast-paced action as Modern Sonic, and use powerful new devices as your very own Custom Hero Character. Narrative With a mysterious new power, the evil doctor has taken over most of the world in Eggman's biggest victory to date. In the midst of the mayhem and devastation, an unlikely hero will emerge to assist Modern and Classic Sonic in retaking the world, and a resistance group made up of Sonic's friends will fight back. These three heroes may still have a lot of work ahead of them.