Sega Mega Drive game software "Altered Beast" (Juuouki) No instruction manual. Genre: Side-scrolling action game. Features: The protagonist, a beast warrior, powers up by collecting "Spirit Balls" that appear after defeating enemies, and can transform into various beastmen such as a wolf, dragon, bear, and tiger, unleashing powerful attacks. Story: Athena, the daughter of the god Zeus, is kidnapped by a demon, and a beastman warrior (the protagonist) who was once sealed away is resurrected to fight and rescue Athena. Platform: It began operating as an arcade game in 1988, and was later ported to numerous home consoles, including the Mega Drive. In 2005, a remake, "Altered Beast -PROJECT ALTERED BEAST-", was also released on PlayStation 2. Selling retro Showa era games for Game Boy, PC Engine, Mega Drive, PC Engine SUPER CD-ROM, Super Famicom, Game Gear, and other consoles. Due to their age, I do not have the consoles to test them, so I cannot confirm their functionality. Please purchase only if you understand this. I do not accept claims for non-working items. Thank you.