GameTrnds.com

Kumitantei: Old-School Slaughter

Steam Player Count & Twitch Viewers / Streams

// updated just now

Steam Players

-2 // vs 7d ago

1 // 24 hr peak

Twitch Viewers

- // vs 7d ago

10 // 24 hr peak

Twitch Streams

- // vs 7d ago

1 // 24 hr peak

Kumitantei: Old-School Slaughter

Steam Player Count & Twitch Viewers / Streams // updated just now

GameTrnds.com

Steam Players

-2 // vs 7d ago

1 // 24 hr peak

Twitch Viewers

- // vs 7d ago

10 // 24 hr peak

Twitch Streams

- // vs 7d ago

1 // 24 hr peak

Date	Steam Players	Twitch Viewers
Sep 2	1	4
Sep 1	4	0
Aug 31	5	0
Aug 30	1	0
Aug 29	2	0
Aug 28	5	0
Aug 27	2	2

Summary

Kumitantei: Old-School Slaughter currently has 0 live Twitch viewers across 0 active streams.

On Steam, it currently has 1 concurrent players, down 2 compared to the same time last week.

Over the 9 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
Sep 2026 month to date	3 —	4	4 —	10
Aug 2026	3 ▼ -4	8	4 ▼ -2	14
Jul 2026	7 ▲ +1	15	6 ▼ -1	19
Jun 2026	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