Altered Beast ROM download is available to play for Sega Master System. This game is the US English version at EmulatorGames.net exclusively. Download Altered Beast ROM and use it with an emulator. Play online Sega Master game on desktop PC, mobile, and tablets in maximum quality. If you enjoy this free ROM on Emulator Games then you will also like similar titles Altered Beast (JU) (REV 01) and Altered Beast (USA, Europe).