Sonic the Hedgehog (1991 video game)

Sonic the Hedgehog is a 1991 platform game by Sega for the Sega Genesis. It was released in North America and PAL regions in June and in Japan the following month. The player controls Sonic, a hedgehog who can run at supersonic speeds. The story follows Sonic as he aims to foil the mad scientist Doctor Robotnik's plans to seek the powerful Chaos Emeralds.