Project P.I.T.T. Steam Deck vs Desktop Scope
Steam Deck vs Desktop Scope: Valve's dated Deck verification and desktop platform support are compatibility records, not comparable FPS measurements.
Valve's dated Deck verification and desktop platform support are compatibility records, not comparable FPS measurements.
When to investigate Steam Deck
On Deck, inspect native runtime and controller selection before borrowing Windows troubleshooting.
Choose by the observed task, not a tool name that merely sounds stronger. Retain the source scope when applying this comparison.
Evidence for this section (2)
OFFICIAL HISTORICAL · checked 2026-09-26
Valve's compatibility record lists Steam Deck Verified, native runtime and a note about manually selecting external controllers.
Build relevance: Valve compatibility test August 6, mirrored configuration checked September 26
Limit: Not a new performance benchmark of 1.0.8.
OFFICIAL CURRENT · checked 2026-09-26
The official Steam listing supports Windows, macOS and Linux and describes a single-player game.
Build relevance: Live store check September 26
Sources: Steam app launch configuration, mirrored by SteamDB ↗ · Official Steam store page ↗
When to investigate Desktop
On desktop, retain your actual OS and hardware when diagnosing a launch or large-factory issue.
Keep the input and destination constant when comparing the alternative; a different product or target makes the result a different test.
Evidence for this section (2)
OFFICIAL HISTORICAL · checked 2026-09-26
Valve's compatibility record lists Steam Deck Verified, native runtime and a note about manually selecting external controllers.
Build relevance: Valve compatibility test August 6, mirrored configuration checked September 26
Limit: Not a new performance benchmark of 1.0.8.
OFFICIAL CURRENT · checked 2026-09-26
The official Steam listing supports Windows, macOS and Linux and describes a single-player game.
Build relevance: Live store check September 26
Sources: Steam app launch configuration, mirrored by SteamDB ↗ · Official Steam store page ↗
Decision record
Valve's dated Deck verification and desktop platform support are compatibility records, not comparable FPS measurements.
| Option | Use case | Not established |
|---|---|---|
| Steam Deck | On Deck, inspect native runtime and controller selection before borrowing Windows troubleshooting. | Universal optimum / exact throughput |
| Desktop | On desktop, retain your actual OS and hardware when diagnosing a launch or large-factory issue. | Universal optimum / exact throughput |
Evidence for this section (2)
OFFICIAL HISTORICAL · checked 2026-09-26
Valve's compatibility record lists Steam Deck Verified, native runtime and a note about manually selecting external controllers.
Build relevance: Valve compatibility test August 6, mirrored configuration checked September 26
Limit: Not a new performance benchmark of 1.0.8.
OFFICIAL CURRENT · checked 2026-09-26
The official Steam listing supports Windows, macOS and Linux and describes a single-player game.
Build relevance: Live store check September 26
Sources: Steam app launch configuration, mirrored by SteamDB ↗ · Official Steam store page ↗
Evidence and verification limits
DEFERRED — EVIDENCE INSUFFICIENT. This page documents what is known and what remains unresolved; it is not a verified complete solution.
Evidence for this section (2)
OFFICIAL HISTORICAL · checked 2026-09-26
Valve's compatibility record lists Steam Deck Verified, native runtime and a note about manually selecting external controllers.
Build relevance: Valve compatibility test August 6, mirrored configuration checked September 26
Limit: Not a new performance benchmark of 1.0.8.
OFFICIAL CURRENT · checked 2026-09-26
The official Steam listing supports Windows, macOS and Linux and describes a single-player game.
Build relevance: Live store check September 26
Sources: Steam app launch configuration, mirrored by SteamDB ↗ · Official Steam store page ↗
Primary source: Steam app launch configuration, mirrored by SteamDB ↗. Scope: full game.
A source-check date is not an in-game test date. Historical fixes and community observations retain their stated scope.