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 4: Episode II going, so I'd hope to provide Episode 2 then." He also said that Sonic Team "knew about the anniversary year," and that ""Generations" was planned way in advance." As such, "it was always our plan to release Episode 2 after Generations." In preparation for "Episode II"s release, Sega re-released "Sonic the Hedgehog CD" to digital platforms in late 2011, billing it as a 'prequel' to "Sonic 4", as the events of "Episode II" would rely heavily on what occurred in "CD". On December 29, a teaser trailer for "Episode II" was released, and it was revealed that both Metal Sonic