Kumitantei: Old-School Slaughter

2026 · Mango Factory

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.

Platforms: PC (Microsoft Windows)

Genres: Adventure, Indie, Visual Novel, Card & Board Game