Play Sonic 1: Contemporary emulator game online in the highest quality available. Sonic 1: Contemporary 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 1: Contemporary is part of the Arcade Games, Platform Games, and Sonic 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.