GOG
DRM-free; no launcher activation required-20%
Visit store$7.99$9.99
Buy Kumitantei: Old-School Slaughter Original Soundtrack PC Key
The lowest current Kumitantei: Old-School Slaughter Original Soundtrack PC Key price is $7.99 at GOG, 20% off $9.99. Compare prices from 2 stores on GameVize.
Official Stores
$7.99GOG
-20%Lowest
-20%Lowest$7.99
Keyshops
No current offersNo current offers
- Release
- Apr 23, 2026
- Developers
- Mango Factory
- Publishers
- Akupara Games
- Genres
- Adventure, Comedy, Visual Novel
- PC platforms
- PC (Windows)
Compare prices in Official Stores
Steam
Activates on Steam$9.99
Price History
Best historical price across official stores and keyshops
Current Best
$7.99
All-Time Low
$6.99
About this game
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.