Play Sonic 2: Return of Shadow emulator game online in the highest quality available. Sonic 2: Return of Shadow is a Sega Genesis game that you can enjoy on Play Emulator. This SEGA game is the US English version that works in all modern web browsers without downloading. Sonic 2: Return of Shadow is part of the Sonic Games and Arcade Games you can play here. PlayEmulator has many online retro games available including related games like Sonic Colors, Sonic Advance 2, and Sonic the Hedgehog & Ashuro.