Coin-Op Museum - Contains description of game, with gameplay notes. - http://www.klov.com/A/Altered_Beast.html
ClassicGaming.com - Coin-Op arcade review by Bryan Johnson. "Altered Beast was a fun game to play. In any case games with werewolves are few and far between so a werewolf fan can't afford to be picky." - http://www.classicgaming.com/rotw/altbeast.shtml