Steam 24H Peak
128
All-Time Peak
191
Set Apr 24, 2026
Live on Twitch
17
Twitch Daily Peak
0
Avg Daily Peak
Steam ReviewsBASED ON 304 RATINGS
91%
Very Positive
Critic Score77
↓ 14 VS USER
Live Data Snapshot · Apr 26, 2026, 3:21 AM
Scale
Daily peak Steam players (last 7 days)
No historical data recorded yet
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 has 109 concurrent players on Steam right now. Reviews stand at 91% positive across 304 ratings (Very Positive), developed by Mango Factory.
Recent updates
Current price
$14.99
USD
