Portal: Prelude RTX Test app

A separate Steam app for testing Portal, such as a staging branch, test server or playtest. It has no store page of its own: owners of the game get it in their library. It isn’t counted as a game or a release.

For: Portal
Players now: Not counted yet
24-hour peak: —
Latest build: 19 Jul 2023, 20:54 UTC
Steam App: 2410180

Players, Last 30 Days

No player readings for Portal: Prelude RTX in the last 30 days yet. We poll this game every 3 hours.

From the Steam Web API every few hours. Steam gives no count for an app nobody can launch, such as a closed playtest. We started counting on 28 Oct 2026. How we count

Public Builds

Public builds of Portal: Prelude RTX, newest first
Build	Went live	After the one before
11741294	19 Jul 2023, 20:54 UTC	—

From Steam’s client network, within minutes of each change. Builds from before 28 Oct 2026, when we found this app, aren’t listed. How we count

More Test Apps For Portal

Other test and staging apps of Portal
App	Players now	Latest build
Portal: Lost in Aperture	—	None seen yet

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