Kumitantei: Old-School Slaughter

Steam Player Count & Twitch Viewers / Streams

// updated 14 min ago

Steam Players

+3 // vs 7d ago

7 // 24 hr peak

Twitch Viewers

+17 // vs 7d ago

17 // 24 hr peak

Twitch Streams

+1 // vs 7d ago

1 // 24 hr peak

Top Stream 100%

Kumitantei: Old-School Slaughter

Steam Player Count & Twitch Viewers / Streams // updated 14 min ago

GameTrnds.com

Steam Players

+3 // vs 7d ago

7 // 24 hr peak

Twitch Viewers

+17 // vs 7d ago

17 // 24 hr peak

Twitch Streams

+1 // vs 7d ago

1 // 24 hr peak

Date	Steam Players	Twitch Viewers
Jun 27	7	11
Jun 26	6	1
Jun 25	7	3
Jun 24	0	8
Jun 23	5	10
Jun 22	2	2
Jun 21	4	13

Summary

Kumitantei: Old-School Slaughter currently has 17 live Twitch viewers across 1 active streams, with viewership up 17 compared to the same time last week.

On Steam, it currently has 7 concurrent players, up 3 compared to the same time last week.

Over the 6 months we've tracked it, Kumitantei: Old-School Slaughter's Steam players peaked at 187 and Twitch viewers peaked at 1,696.

Kumitantei: Old-School Slaughter monthly player & viewer history

Month	Steam Avg	Steam Peak	Twitch Avg	Twitch Peak
Jun 2026 month to date	6 ▼ -16	12	7 ▼ -1	56
May 2026	22 ▼ -67	50	8 ▼ -24	49
Apr 2026	89 —	187	32 —	1,696
Mar 2026	- —	-	- —	-
Feb 2026	- —	-	- —	-
Jan 2026	- —	-	1 —	3

Monthly averages and peak concurrent Steam players and Twitch viewers, since we began tracking Kumitantei: Old-School Slaughter.

About

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.

Genres

Adventure Indie Visual Novel Card & Board Game

Platforms

PC (Microsoft Windows)

Developer

Mango Factory

Publisher

Akupara Games

Release Date

April 23, 2026

Game Modes

Single player