Steam Deck Playable · Adventure · 2026

Does Casualties: Unknown work on Steam Deck?

Mostly. Valve rates it Steam Deck Playable, with a few caveats.

Status checked 9 November 2026 · Orsoniks

Playable

Short answer: mostly. Casualties: Unknown is rated Steam Deck Playable. It runs, but you may need to adjust settings or use the touchscreen or on-screen keyboard at times.

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Casualties: Unknown on Steam Deck

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 Casualties: Unknown

Developer
Orsoniks
Publisher
Oro Interactive
Release date
9 November 2026
Genre
Adventure, Simulation, Action
Steam
Store page

Tags

  • Survival
  • Psychological Horror
  • 2D
  • Difficult
  • Pixel Graphics
  • Gore
  • Perma Death
  • Crafting
  • Exploration
  • Atmospheric

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