Sonic Team is a video game developer owned by the Japanese video game company Sega as part of its Sega CS Research and Development No. 2 division. Sonic Team is best known for its namesake long-running Sonic the Hedgehog series and games such as Nights into Dreams and Phantasy Star Online.

Sonic the Hedgehog is a 1991 platform game developed by Sonic Team and published by Sega for the Genesis/Mega Drive. It was released in North America on June 23 and in PAL regions and Japan the following month. Players control Sonic the Hedgehog, who can run at near supersonic speeds; Sonic sets out on a quest to defeat Dr. Robotnik, a scientist who has imprisoned animals in robots and seeks the powerful Chaos Emeralds. The gameplay involves collecting rings as a form of health, and a simple control scheme, with jumping and attacking controlled by a single button.