Kumitantei: Old-School Slaughter — Steam game overview
Stored observation / content update:
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.
Game metrics below are stored observations; missing values are unknown.
Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.
| Statistic | Recorded value |
|---|---|
| Steam App ID | 2759280 |
| Developer | Mango Factory |
| Publisher | Akupara Games |
| Concurrent players | 3 |
| Total reviews | 381 |
| Positive reviews | 349 |
| Positive review share | 91.6% |
| Release date | Apr 23, 2026 |
| Price | 14.99 USD |
| Estimated gross revenue (low / central / high) | USD 46661 / 129537 / 359611 |