Kumitantei: Old-School Slaughter
- Source
- Steam
- App ID
- 2759280
- Developer
- Mango Factory
- Publisher
- Akupara Games
- Released
- April 23, 2026
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.