Play Altered Beast: Guardian Of The Realms emulator game online in the highest quality available. Altered Beast: Guardian Of The Realms is a Gameboy Advance game that you can enjoy on Play Emulator. This GBA game is the US English version that works in all modern web browsers without downloading. Altered Beast: Guardian Of The Realms 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 Altered Beast Classic, Joe Montana NFL 94, and Frankenstein.