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Kumitantei: Old-School Slaughter

PC (Microsoft Windows)

Release Date: April 23, 2026
Genres: Adventure, Indie, Visual Novel, Card & Board Game
Themes: Action, Horror, Thriller, Historical, Comedy, Mystery
Game Type: Main game
Game Modes: Single-player
Player Perspective: First person
Alternate Titles: Kumitantei: Shouwa no Satsuriku mu Kandou Gakuen, Kumitantei.exe

Overview

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.