Kumitantei: Old-School Slaughter box art

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Kumitantei: Old-School Slaughter (2026)

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Kill each other...for science! The class of '89 is trapped in an elite school killing game. Investigate, solve, and expose your classmates in Kumitantei: Old-School Slaughter, an episodic murder-mystery ADV card-battler inspired by retro anime.

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Details

Developers: Mango Factory
Publishers: Akupara Games
Genres: Adventure, Card & Board Game, Indie, Visual Novel
Themes: Action, Comedy, Historical, Horror, Mystery, Thriller
Events: The MIX + Kinda Funny Spring Game Showcase 2026, Southeast Asia Games Onward 2025, SAGE 2025, Southeast Asia Games Onward 2024, SAGE 2024
Steam: View on Steam

Release dates

Apr 23, 2026 (Full Release) (Worldwide) PC (Microsoft Windows)

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