Play Altered Beast emulator game online in the highest quality available. Altered Beast is a Sega Master System game that you can enjoy on Play Emulator. This Sega Master game is the US English version that works in all modern web browsers without downloading. Altered Beast is part of the Arcade Games, Fighting Games, and Action Games you can play here. PlayEmulator has many online retro games available including related games like Transformers: Beast Wars Metals 64, Beauty and the Beast - Belle's Quest, and Altered Beast: Guardian Of The Realms.