Play Altered Beast: Guardian Of The Realms online in your browser and enjoy with Emulator Games Online! Altered Beast: Guardian Of The Realms is GBA game USA region version that you can play free on our site. This game has arcade, action, fighting genres for Game Boy Advance console and is one of a series of fighting games. If you love fighting games you can also find other games on our site with Retro Games. Below you will find control for the emulator to play Altered Beast: Guardian Of The Realms.