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Altered Beast

aka: 3D Altered Beast, Altered Beast Classic, Jūōki

Description official descriptions

You are a hero raised from the dead by the god Zeus to rescue his daughter Athena. With scenery inspired by Ancient Greece, you have to fight hordes of undead and demons, with a boss at the end of each level until you meet the god Neff, who holds the girl captive.

The Altered Beast title refers to your shapeshifting abilities. In this platformer, you can collect spirit balls by defeating two-headed wolves, allowing you to mutate into different beasts such as a werewolf, a dragon, a tiger, a bear and others depending on the version. Each form, tied to a level, comes with special abilities such as flight and powerful attacks, easily superseding the basic set of punches and kicks in your human form.

The game can be played in single player mode, or in same-screen multiplayer co-op mode.


  • 兽王记 - Chinese spelling (simplified)
  • 獣王記 - Japanese spelling

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Credits (Arcade version)

11 People




Subject User Date
Steam release (2010) is Mega Drive/Genesis version Andrew Fisher (693) 2022-11-28 21:39:49
Back story, Japanese vs. rest of world Andrew Fisher (693) 2022-11-16 11:33:20
Short review(arcade, MD/Gen, SMS) Andrew Fisher (693) 2022-10-06 03:26:00



A version of Altered Beast is included in Sega's Smash Pack compilation CD.

Genesis pack-in game

This game was the first pack-in game to come with the Genesis when it first came out in 1989.


The Brazilian Heavy metal band Megadriver, specialized in SEGA MegaDrive music, did a cover of the first level theme, complete with one of the band members saying "Rise from your grave".


The ride-able lizard-birds from Golden Axe make a cameo appearance in the second stage. Bizarrian, a hybrid between an amphibious and a parrot, is also present in Golden Axe.

Version differences

The NES version adds 3 new stages and 2 unique transformations: a shark, an a bird. On the other hand, the SMS version removes the tiger level. The Zodiac release is an emulation of the Genesis version, but for one player only.


  • Power Play
    • Issue 01/1990 - Biggest Failure of 1989

Information also contributed by Mad_Griffith, Matthew Melbourne, Robbb and Zovni

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Battle Beast
Released 1995 on Windows, Windows 3.x, Macintosh
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Shadow of the Beast
Released 1989 on Amiga, Genesis, Lynx...
Gokū Densetsu: Magic Beast Warriors
Released 1995 on PlayStation

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Contributors to this Entry

Game added by Luiz Pacheco.

Android added by mars_rulez. Nintendo 3DS added by GTramp. Genesis, Commodore 64, SEGA Master System, NES added by PCGamer77. PlayStation 3 added by Lain Crowley. Nintendo Switch added by Rik Hideto. Wii added by Guy Chapman. Zodiac, iPad added by Sciere. TurboGrafx CD added by Zovni. Linux, Macintosh, Windows added by Foxhack. ZX Spectrum added by Martin Smith. Atari ST added by ZZip. TurboGrafx-16 added by Terok Nor. Arcade added by The cranky hermit. iPhone added by Scaryfun. Xbox 360 added by Ben K. MSX added by koffiepad. Amstrad CPC added by Katakis | カタキス. Amiga added by Syed GJ.

Additional contributors: Rogee, Unicorn Lynx, Sciere, lugnut, Игги Друге, LepricahnsGold, MegamanX64, Patrick Bregger, Starbuck the Third, GTramp, Kennyannydenny, Harmony♡.

Game added July 21st, 2000. Last modified April 28th, 2023.