Fanatical
Activates on Steam-38%
Visit store$9.29$14.99
Buy Kumitantei: Old-School Slaughter PC Key
The lowest current Kumitantei: Old-School Slaughter PC Key price is $9.29 at Fanatical, 38% off $14.99. Compare prices from 7 stores on GameVize.
Official Stores
$9.29Fanatical
-38%Lowest
-38%Lowest$9.29
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)
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Compare prices in Official Stores
Green Man Gaming
Activates on Steam-20%
Visit store$11.99$14.99
GOG
DRM-free; no launcher activation required-20%
Visit store$11.99$14.99
GameBillet
Activation platform unknown-17%
Visit store$12.39$14.93
Gamesplanet
Activates on Steam-10%
Visit store$13.49$14.99
GamersGate
Activation platform unknown-10%
Visit store$13.49Price before code: $14.99$14.99
Steam
Activates on Steam$14.99
Price History
Best historical price across official stores and keyshops
Current Best
$9.29
All-Time Low
$8.12
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.