Play Sonic Bros emulator game online in the highest quality available. Sonic Bros is a Nintendo game that you can enjoy on Play Emulator. This NES game is the US English version that works in all modern web browsers without downloading. Sonic Bros is part of the Mario Games, 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.