Sonic the Hedgehog different media including animation, comic books, and a Hollywood film. The first "Sonic" game, "Sonic the Hedgehog", is a platform game released in 1991. Players control the anthropomorphic blue hedgehog Sonic, who can run and jump at high speeds using springs, ramps, and loops. Sonic must stop Dr. Robotnik from taking over the world using the Chaos Emeralds. "Sonic the Hedgehog 2" (1992) increased the overall size and speed of the series' gameplay and was the second best-selling Genesis game. It introduced Sonic's sidekick and best friend, Miles "Tails" Prower, who followed Sonic throughout the game, and allowed a second
Sonic the Hedgehog (Archie Comics) stories that fit into the series continuity. Since 2013 these issues have served as a combination free comic special with the Mega Man series; a free Sonic issue serving as a prequel to "Sonic Lost World" was also released in 2013 for Halloween Comic Fest. Various compilations have also been put together, such as the "Sonic Saga Series, Sonic Archives" and "Knuckles Archives, Sonic the Hedgehog, Sonic Universe" and standalone graphic novels, "Sonic Legacy, Best of Sonic the Hedgehog, Sonic Super Digest" and "Sonic Super Special Magazine." Following "Worlds Collide" the latter two series and the Free Comic Book Day