PC (Microsoft Windows)April 23, 2026
Released ✓ 
RELEASES · DEALS · SUBSCRIPTIONS
Kumitantei: Old-School Slaughter
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.
ActionComedyHistoricalHorrorMysteryThrillerAdventureCard & Board GameIndieVisual Novel
Game modes
Single player
Player perspectives
First person