Sonic the Hedgehog (1991)

Sonic the Hedgehog is a platformer video game developed by Sonic Team and published by Sega, and the first title in the  series. It follows the journey of Sonic the Hedgehog as he seeks to stop the evil Dr. Robotnik from kidnapping the animals of South Island in his quest to find the Chaos Emeralds.

Sonic the Hedgehog was released for the Sega Genesis on June 23, 1991 in North America and Europe, with a release in Japan the following month.