Sonic the Hedgehog (1991 video game)

is a platform video game developed by Sonic Team and published by Sega for the Sega Genesis. Released in 1991, the game is the first installment in the Sonic the Hedgehog series, chronicling the adventures of the titular character in his quest to defeat the series’ antagonist Doctor Ivo Robotnik. The game’s story focuses on Sonic’s efforts to stop Dr. Robotnik’s plans for world domination, release the animals Dr.