Kumitantei: Old-School Slaughter – Header Image

Kumitantei: Old-School Slaughter

📅 Apr 23, 2026
Mango Factory
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.
90.7Rating
0Content
11Achievements

About This Game

Kumitantei: Old-School Slaughter is a adventure/indie game designed for single-player, developed by Mango Factory and released in 2026. With an estimated 12,000 copies sold, it is considered a niche release on Steam. Community ratings across Steam average 90.7/100 — a exceptional reception overall. Players commonly describe it as Comedy, Anime, Visual Novel, Detective and Card Battler.

Media

User Reviews

90.7
Overall Score / 100
9.1/10
Steam (281 reviews)

DLCs (1)

Kumitantei: Old-School Slaughter Original Soundtrack
Kumitantei: Old-School Slaughter Original Soundtrack
$9.99

Game Information

Release Date
April 23, 2026
Developer
Mango Factory
Publisher
Akupara Games
Platforms
Windows
Controller
Full Support
Price
$14.99

Analytics & Metrics

Copies Sold (VISE)
Low Data
VRI ScoreLearning
59
There is a real chance this game will fall short of expectations.
VISE (VORYTHIC Intelligent Sales Estimator) intelligent predictive model estimating the number of copies sold on Steam, based on community data analysis and purchase patterns.
VRI (Vorythic Recommendation Index) a single number indicating whether the game is worth your time. Built from game data, putting real players' opinions above progressive 'critics'.

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System Requirements

🪟 Windows
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