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About Sonic the Hedgehog
This Game Gear port of the Sega Master System version makes some changes to emerald locations and bosses.
Game modes: Single player
Sonic the Hedgehog released on October 25, 1991, developed by Ancient Co., Ltd. and published by Sega.
Sonic the Hedgehog is available on Nintendo 3DS, Sega Game Gear. It supports single player.