Sonic the Hedgehog 2 (8-bit video game)
is a platform game developed by Aspect and published by Sega for the Master System and Game Gear. The Master System version was released in Europe on October 1992. The Game Gear version was released in Europe in October 1992, and in North America and Japan in November 1992. It's a sequel to Sonic the Hedgehog for Master System and Game Gear.