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 Pocket Adventure "Sonic the Hedgehog" games for the Sega Genesis. The game is heavily based on "Sonic the Hedgehog 2" (1992) for the Genesis, while also using concepts from "Sonic the Hedgehog" (1991) and "Sonic the Hedgehog 3" (1994). "Sonic 2"'s stage themes are featured throughout, but the stage layouts are unique to the game. The bonus stages are also borrowed from "Sonic 2". "AllGame" called the game "a slightly dumbed down port" of "Sonic 2" and "Official Dreamcast Magazine" called it "essentially an adaptation of "Sonic 2."" Unlike "Sonic 2", "Sonic Pocket Adventure" features some exclusive modes. The game includes a