Sonic 77 Sevens

sonic77Sonic the Hedgehog is a platform game developed by Sonic Team and published by Sega for the Sega Genesis in 1991. The game introduced Sonic, a blue hedgehog with supersonicFeatured stories [] Synopsis []. Sonic and the Chaotix arrive at White Park Zone.. Sonic and the Chaotix who are following Sonic in the Beat Monster arrive at the White Park