Console: Sega Master System Games [SMS]
Play Altered Beast online Arcade game and discover why millions of fans love it years after release! No need to buy the original Sega Master System or download sketchy archives. This ready-made Altered Beast emulator is browser-friendly and requires no tinkering. Wait for the menu to load, and press Start to access the unabridged experience. Enjoy unlimited sessions of Altered Beast for free without installation and have fun!