Kumitantei: Old-School Slaughter
VisualNovel
Upcoming
adventure
indie
visual novel
card & board game
Platforms:
Epic
GOG
PC
Steam
Released: Apr 23, 2026
Developer: Mango Factory
Publisher: Akupara Games
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.
Trailer
Tags
japan
murder
psychology
anime
murder mystery
retro
cute
psychological horror
deliberately retro
imperial japanese army
1980s
card based combat
crowdfunding - kickstarter
japanese rpg
past japan
