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Dungeon Fighter Online — Steam header art

Dungeon Fighter Online on the Steam Machine

Compatibility issueDerived from SteamOS compatibilityProtonDB Silver· 36 reports

Can the Steam Machine run Dungeon Fighter Online?

Not reliably — Valve's SteamOS compatibility check flags Dungeon Fighter Online as Unsupported, and the Steam Machine runs SteamOS.

Red here means a compatibility problem (often anti-cheat or a launcher), not too little GPU power, so lower settings won't fix it. Recommended RAM is 16 GB — exactly the Machine's 16 GB.

Key facts: Dungeon Fighter Online 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 · 2 sources (2 linked) · data as of · methodology
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).

At a glance across Valve's SteamOS devices

Steam Machine
Compatibility issue
Unsupported on SteamOS
Steam Deck
Unsupported
No measured data yet
Steam Frame
Flatscreen
Stream to a virtual screen

Analysis — Dungeon Fighter Online on the Steam Machine

Community check

The community disagrees with Valve's flag: 36 ProtonDB reports rate it Silver (runs with minor issues). An Unsupported rating can come down to anti-cheat, a launcher or one mode, so read recent reports for the part you care about.

Frequently asked

Is Dungeon Fighter Online Steam Deck Verified?

Dungeon Fighter Online is currently flagged Unsupported on the Steam Deck.

Other stores

Search other key stores for Dungeon Fighter Online — stock and price aren't checked by us (not Steam)

Own this on a Valve device?

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How we know this

Derived from SteamOS compatibilityInferred

Inferred from this title's official SteamOS compatibility rating, scaled to the Machine's roughly 6× Deck GPU power.

Anchored to
SFReviewed by the SteamFPS Editorial Team · updated June 2026 Full methodology

Every verdict is labelled by confidence. Numbers are estimates unless tagged “measured.”

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Dungeon Fighter Online Steam Machine verdict

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