Sonic the Hedgehog Sonic the Hedgehog Sonic the Hedgehog is a video game franchise produced by Sega centering on a series of high-speed platform games. Sonic, the protagonist, is an anthropomorphic blue hedgehog with supersonic speed. Typically, Sonic must stop antagonist Doctor Eggman's plans for world domination, often helped by his friends, such as Tails, Amy, and Knuckles. The first "Sonic the Hedgehog" game, released in 1991, was conceived by Sega's Sonic Team division after Sega requested a mascot character to compete with Nintendo's mascot Mario. Its success spawned many sequels and helped Sega become one of the leading video game companies during
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