Valve marks Mycopunk Unsupported on Steam Deck as of 23 Oct 2026. This is not merely an unverified game: Valve's compatibility report returns SteamOSDoesNotSupport. Windows controller support does not establish Steam Deck compatibility.
Valve's compatibility report for app 3247750 returns resolved_category 1 and the SteamOSDoesNotSupport result token. That corresponds to Unsupported, not Verified, Playable, or Unknown. The report can change after a later compatibility review.
Steam lists a Windows build and controller support. Neither is a measured Deck performance result, and neither overrides Valve's Unsupported classification.
What this means before buying
Do not buy specifically for Steam Deck on the assumption that Windows controller support makes it supported. This site has no hands-on Deck test, frame-rate benchmark, or verified Proton and graphics preset for patch 2.0.2.
Unsupported is Valve's current compatibility assessment, not proof that every unofficial workaround must fail. Any community workaround needs its own build, Proton version, and performance evidence; none is endorsed here.
FAQ
Is Mycopunk Steam Deck verified?
No. Valve marks it Unsupported as of 23 Oct 2026; it is not merely unverified.
Can I use a controller?
The Steam page lists controller support for the PC build.
Does PS5 support mouse and keyboard?
The PlayStation page does not list it. It lists DualSense vibration.
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