Play Sonic the Hedgehog online in your browser and enjoy with Emulator Games Online! Sonic the Hedgehog is SGG game USA region version that you can play free on our site. This game has arcade, action genres for Sega Game Gear console and is one of a series of Sonic games. If you love Sonic games you can also find other games on our site with Retro Games. Below you will find control for the emulator to play Sonic the Hedgehog.