Kumitantei: Old-School Slaughter
- Genres
- Adventure · Indie · RPG
- Release
- Apr 23, 2026
- Developer
- Mango Factory
- Metacritic
Lowest price across all offers
from $5.30460 ₽
Offers
The price depends on the platform and the activation region.
- CISCIS region$5.30460 ₽1
- —Not for Russia$9.91860 ₽1
About the 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.
Screenshots
System requirements
Minimum
• OS: Windows 10 (64-bit) • Processor: 6th Gen i5/1st Gen Ryzen Series • Memory: 4 GB RAM • Graphics: NVIDIA GeForce GTX 1050 Ti / AMD Radeon RX 570 (4GB dedicated VRAM) • DirectX: Version 12 • Storage: 6 GB available space
Recommended
• OS: Windows 10 / 11 (64-bit) • Processor: 8th Gen i5/3rd Gen Ryzen Series • Memory: 6 GB RAM • Graphics: NVIDIA GeForce GTX 3060 / AMD Radeon RX 6600 XT (8GB dedicated VRAM) • DirectX: Version 12 • Storage: 6 GB available space
Languages: English*, Spanish - Spain, Japanese, Simplified Chinese
How to activate
Steam
- Start Steam on your computer and sign in to the account you will play on.
- In the Games menu, choose Activate a Product on Steam. You can also start from Add a Game at the bottom left.
- Go through the introductory screens, review Steam’s terms and paste the complete key without surrounding spaces.
- Finish activation, then find the game in your Library and select Install.
Game details from Steam.