Play Sonic Chaos Quest Ultimate emulator game online in the highest quality available. Sonic Chaos Quest Ultimate 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 Chaos Quest Ultimate is part of the Platform Games and Sonic Games you can play here. PlayEmulator has many online retro games available including related games like Sonic Mania Edition, Sonic Advance 3, and Sonic the Hedgehog 3.