Unbound: Worlds Apart Prologue on the Steam Machine

Not yet testedDerived from SteamOS compatibilityProtonDB Silver· 4 reports

Can the Steam Machine run Unbound: Worlds Apart Prologue?

Unbound: Worlds Apart Prologue isn't rated for the Steam Machine yet — Steam publishes no SteamOS compatibility signal for it, and we'd rather say so than guess.

Where to buy Unbound: Worlds Apart Prologue

We'll publish a verdict as data arrives. Recommended RAM is 4 GB — comfortably within the Machine's 16 GB.

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Key facts: Unbound: Worlds Apart Prologue on Steam Machine

Compatibility: Not yet tested (unknown). No SteamOS compatibility signal for the Steam Machine yet.
Device & mode: Steam Machine: Not yet tested — Runs locally on SteamOS (1080p default)
Steam Deck: Unrated by Valve — 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: No verdict · 1 source (1 linked) · data as of June 2026 · methodology
ProtonDB: Silver, 4 reports
Limitations: No frame-rate measured and Valve hasn't rated it for SteamOS — there is no verdict yet.
Not recorded here: anti-cheat status, frame generation, game / SteamOS / Proton versions.

Steam Machine

Not yet tested

Not yet rated

Steam Deck

Unrated

No measured data yet

Steam Frame

Flatscreen

Stream to a virtual screen

Analysis — Unbound: Worlds Apart Prologue on the Steam Machine

What to expect

Unbound: Worlds Apart Prologue has no SteamOS rating yet. A similar game we do rate, Unbound: Worlds Apart, lands green on the Steam Machine — a reasonable first guide until this one gets its own verdict.

On the couch

Steam lists full controller support, so it plays from the sofa without a keyboard.