Steam Deck Verified · Adventure · 2026
Does Kumitantei: Old-School Slaughter work on Steam Deck?
Yes. Valve has tested it and rates it Steam Deck Verified.
Verified
Short answer: yes. Kumitantei: Old-School Slaughter is Steam Deck Verified. Valve has tested it and it works great on Steam Deck straight out of the box.
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Valve's Steam Deck test results
Valve's detailed notes for this game will appear here soon. You can see them now on the Steam store page.
Steam Deck status checked 9 November 2026.
About Kumitantei: Old-School Slaughter
- Developer
- Mango Factory
- Publisher
- Akupara Games
- Release date
- 23 April 2026
- Genre
- Adventure, RPG
- Steam
- Store page
