Kumitantei: Old-School Slaughter

About

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.

Released

April 23, 2026

Developer

Mango Factory

Publisher

Akupara Games

Platforms

PC (Microsoft Windows)

Compare prices

Gamesplanet US

Steam· In stock

Best price€11.62

Get for €11.62

Gamesplanet DE

Steam· In stock

€12.59

Get for €12.59

Gamesplanet FR

Steam· In stock

€12.59

Get for €12.59

Gamesplanet UK

Steam· In stock

€12.60

Get for €12.60

Store	Platform	Region	Edition	Price	Availability
Gamesplanet US	Steam	—	—	Best price€11.62	In stock	Get for €11.62
Gamesplanet DE	Steam	—	—	€12.59	In stock	Get for €12.59
Gamesplanet FR	Steam	—	—	€12.59	In stock	Get for €12.59
Gamesplanet UK	Steam	—	—	€12.60	In stock	Get for €12.60

More in PC Games

Price history

Cheapest offer, at Gamesplanet US

Get a price drop alert

We'll email you as soon as Kumitantei: Old-School Slaughter gets cheaper anywhere.