Altered Beast, known as Juuouki: Project Altered Beast (獣王記 Project Altered Beast) in Japan, is a beat 'em up released for the PlayStation 2 in 2005. Developed by Sega WOW and Sega (Shanghai) Software and published by Sega, the game is a remake of the 1988 arcade game Altered Beast. As in the original, the player can become different types of beast, but the setting has been changed from ancient Greece to a modern sci-fi theme.
Initially the player has the ability to transform into a werewolf for a limited time, with additional power-ups allowing transformation into other creatures. Each creature has its own "element" and attacks. The werewolf has the element of light; other creatures are the merman (water), garuda (wind), wendigo (ice), minotaur (fire) and dragon (thunder). Further unlockable creatures are weretiger (darkness), grizzly bear (earth) and alien (gravity).