Kumitantei: Old-School Slaughter game cover

Kumitantei: Old-School Slaughter CD Key

Kumitantei™: Old-School Slaughter is a retro Japanese adventure-inspired game blending horror and conspiracy. Players solve complex mysteries in a deadly Apathy Experiment at Janus Institute, engaging in card debates and mini-games while uncovering the truth among a colorful cast of Absolute students.

Release Date

23 Apr, 2026

Publisher/Developer

Akupara Games, Mango Factory

Reviews

Steam: 90.76% positive (108/119)
Metacritic: -

System Requirements

Minimum:
  • OS: Windows 10
  • Processor: 2.8 GHz Intel Core 2 Duo or better
  • Memory: 3 GB RAM
  • Graphics: Vulkan or DirectX 12 compatible GPU with at least 2GB of VRAM
  • DirectX: Version 12
  • Storage: 5 GB available space

Kumitantei: Old-School Slaughter Steam Price History Chart

Price Information for Kumitantei: Old-School Slaughter

Current Best Price: $11.59 at Instant Gaming

Game: Kumitantei: Old-School Slaughter

Platform: Steam

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Kumitantei: Old-School Slaughter

Dive into Kumitantei: Old-School Slaughter, a nostalgic homage to the vibrant pop culture and anime trends of 1980s Japan, infused with a chilling narrative of horror and conspiracy. Heavily inspired by the works of Rumiko Takahashi, this game offers a unique blend of intricate deck-building mechanics and thrilling mystery-solving elements reminiscent of classic Japanese adventure games.

Immerse yourself in a haunting world where murder and mystery intertwine within an alternate historical setting. You will join an eclectic group of sixteen Absolute students trapped in the eerie confines of the Janus Institute's Bunker. Engaging in a deadly Apathy Experiment, players must unravel complex cases to survive.

Forge alliances with your fellow participants and gain their trust in a quest for truth. Investigate grim crime scenes to collect evidence and navigate intense Card Debates, Retro Minigames, and more to reveal hidden motives. In this high-stakes environment, every decision may lead to both salvation and devastation. Will the pursuit of justice come at the cost of humanity? Only you can uncover the killer before time runs out!


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