Kumitantei: Old-School Slaughter
Media
7 videos + 8 screenshotsLinks
About This Game
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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Last updated Apr 30, 2026