Colossus Mission Playtest Test app

A separate Steam app for testing Colossus Mission - adventure in space, arcade game, 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: Colossus Mission - adventure in space, arcade game
Players now: Not counted yet
24-hour peak: —
Latest build: 22 Feb 2021, 11:30 UTC
Steam App: 1558680

Players, Last 30 Days

No player readings for Colossus Mission Playtest 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 27 Oct 2026. How we count

Public Builds

Public builds of Colossus Mission Playtest, newest first
Build	Went live	After the one before
6275155	22 Feb 2021, 11:30 UTC	—

From Steam’s client network, within minutes of each change. Builds from before 27 Oct 2026, when we found this app, aren’t listed. How we count

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