Every gamer knows Sonic, a cute hedgehog that can run as a wind. But one day something strange happened with the character – some evil virus possessed his soul. Now Sonic has transformed into an evil monster. Moreover, when his level of anger grows, he becomes literally uncontrollable. And the world around him has also changed. There are a lot of enemies around the protagonist, and he must deal with them all. Help the hero use his super powers to defeat everyone with!