| App Type | game |
| Release Date | Apr 23, 2026 |
| Details Last Modified | November 13, 2026 (5 hours ago) |
| Developer | Mango Factory |
| Publisher | Akupara Games, Mango Factory LLC |
| Genres | Adventure, Indie, RPG |
| Supported Systems |
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| Windows |
| Price | $19.99 |
| Required Age | 0+ |
| Metacritic | 79/100 |
| Recommendations | 343 |
| Achievements | 19 |
| DLC Available | 1 |
| Packages | 1 |
| Website | https://www.kumitantei.com |
| Support | https://bugs.akuparagames.com/ |
| Support Email | kumitantei@akuparagames.com |
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.
Adjustable DifficultyCustom Volume Controls
DualSense Controller SupportDualSense Controller SupportDualShock Controller SupportDualShock Controller Support