Kumitantei: Old-School Slaughter is a horror adventure card battler developed by Mango Factory and published by Akupara Games, drawing inspiration from retro anime and pop culture aesthetics. The game launched on PC in April 2026 as an episodic experience.
The second episode arrived in November 2026, continuing the game's blend of card-based combat and horror storytelling. The episodic structure suggests ongoing development, with the franchise expanding beyond its initial release to deliver additional content.
Mango Factory and Akupara Games have announced that episode two of their horror adventure card battler, Kumitantei: Old School Slaughter, will be released on November 12, 2026. Kumitantei: Old School Slaughter is described as an “ode to retro anime and pop culture stylings of 198…