| Console: | Sega Master System |
| TV Standard: | NTSC-U |
| Country: | United States of America |
| Developer(s): | Sega R&D2 |
| Publisher(s): | Sega of America, Inc. |
| Release Date: | 1989-06-01 |
| Players: | 1 |
| Co-op: | No |
| ESRB: | E10+ - Everyone 10+ |
| Type: | Action, Fighting, Platform |
Altered Beast is a side scrolling, platform, beat 'em up game that puts the player in control of a centurion who had died in battle. The centurion has been resurrected from the dead by Zeus. In exchange, he ordered the warrior to save his daughter, Athena, from a Demon God called Neff in the Underworld.
Game Player of Altered Beast on Sega Master SystemGenerally, you can review the controls (keyboard) setting during each game in the screen before it starts. Use the arrow keys and “Z”, “X”, “A”, “S”, “Q”, “E” buttons to play, or customize yourself with your gamepad or keyboard.
| Keyboard | Controls |
| ← → ↑ ↓ | Directions for LEFT, RIGHT, UP, DOWN |
| Enter ↵ | START |
| Shift | SELECT |
| Z | A |
| X | B |
| A | X |
| S | Y |
| Q | L |
| E | R |
