
Out nowAdventureIndieVisual Novel
Kumitantei: Old-School Slaughter
Release 23 Apr 2026
About 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.
Kumitantei: Old-School Slaughter release date
23 Apr 2026Out now
By platform
- PC · Out now
Screenshots and trailers
1 / 14 — Announcement Trailer






