King of Avalon on the Steam Machine

Compatibility issueDerived from SteamOS compatibility

Can the Steam Machine run King of Avalon?

Not reliably — Valve's SteamOS compatibility check flags King of Avalon as Unsupported, and the Steam Machine runs SteamOS.

Where to buy King of Avalon

Red here means a compatibility problem (often anti-cheat or a launcher), not too little GPU power, so lower settings won't fix it.

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Key facts: King of Avalon on Steam Machine

Compatibility: Compatibility issue (blocked). Valve rates it Unsupported on SteamOS — a compatibility flag, not a frame-rate result.
Device & mode: Steam Machine: Compatibility issue — Runs locally on SteamOS (1080p default)
Steam Deck: Deck Unsupported — Runs locally on the handheld (800p)
Steam Frame: Native status: unknown — Flatscreen — streamed from a Steam Machine to a virtual screen; native play not rated
Performance: No frame-rate data — we don't publish a number we don't hold.
Conditions: None recorded — there is no frame-rate test to describe.
Basis: Derived from SteamOS compatibility · 1 source (1 linked) · data as of June 2026 · methodology
Valve SteamOS compatibility: Unsupported
Limitations: No frame-rate measured — the verdict is inferred from Valve's SteamOS compatibility rating.
The cause of Valve's Unsupported flag (anti-cheat, launcher …) isn't recorded per game.
Not recorded here: anti-cheat status, frame generation, game / SteamOS / Proton versions.

Blocked on SteamOS?

Cloud streaming runs the game on remote hardware, so SteamOS compatibility stops mattering — if your service carries it. Try cloud gaming (GeForce NOW / Game Pass).

Steam Machine

Compatibility issue

Unsupported on SteamOS

Steam Deck

Unsupported

No measured data yet

Steam Frame

Flatscreen

Stream to a virtual screen