Altered Beast is a 1988 beat ’em up arcade game developed and manufactured by Sega. The game is set in Ancient Greece, and follows a centurion who is resurrected by Zeus to rescue his daughter Athena. In order to save his daughter, Zeus transforms the centurion into beasts with the use of power-ups. After its initial arcade release, it was ported to several home video game consoles and home computers, including the Mega Drive/Genesis, for which it was a pack-in game.
Frequently asked questions
How do I start Altered Beast?
Press the "Play this game" button above. The emulator will load in your browser and you can use on-screen controls or your keyboard.
Can I play on mobile?
Yes. This Sega Mega Drive title supports modern mobile browsers — rotate your phone to landscape for the best experience.
Are there save states?
Save states are stored locally in your browser. If you clear site data or switch devices, your saves may be lost.
What genre is this game?
Action, Arcade game released around 2025.
What makes this game special?
Altered Beast is a 1988 beat 'em up arcade game developed and manufactured by Sega. The game is set in Ancient Greece, and follows…