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Kumitantei: Old-School Slaughter 2026

Mango Factory · PC

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
Also known as
Kumitantei: Shouwa no Satsuriku mu Kandou Gakuen (Japanese title, romanization)
See more on IGDB ↗

Released

  1. 2026
    • Apr 23 PC