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 2 action." "Sonic 2"s success was a major factor in Sega catching up to Nintendo in the early-1990s console wars. It brought their market share up to 40% within six months of its release. Tails, whom "Sonic the Hedgehog 2" introduced, went on to become one of the most prominent characters in the series, appearing as Sonic's sidekick in most "Sonic" media, including in recent games such as "Sonic Colors", "Sonic Generations", and "Sonic Lost World". "Sonic the Hedgehog 2"s popularity extended to various merchandise such as comic books such as "Sonic the Comic", a television series, and a sequel, "Sonic