How many people are playing CTRL-U: Testing Facility right now?

CTRL-U: Testing Facility is app 4758850 on Steam. Player counts appear once the tracker has sampled it.

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SteamPeaks

CTRL-U: Testing Facility

GameApp ID 4,758,850by Stone ShelterReleases Coming soon

Playing now

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All-time peak

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WindowsEngine —

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App ID4,758,850

Release dateComing soon

Engine—

Install size—

TypeGame

Last update28 Oct 2026

Steam DeckUnknown

DLC0

DeveloperStone Shelter

Changenumber40,323,226

Price—

Packages0

PublisherStone Shelter

SystemsWindows

Followers—

Depots0

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CTRL-U: Testing Facility

Stone Shelter
Releases Coming soon·App 4758850

Steam user reviews

Not enough reviews yet

0 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Playing now

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First samples arriving

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All-time peak

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Tracking since the first sample

Update cadence · public branch

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Since last public build

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Median interval

Pattern appears after five builds

Builds in 30 days

0 with patch notes · 0 unannounced

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Downloaded in 30 days

Quiet · no builds in 30 days

All 0 builds · UTC

When Stone Shelter ships

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CTRL-U: Testing Facility Patches · SteamPeaks

CTRL-U: Testing Facility

Builds

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Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
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public branch · shipped todayother branchwide buildhas patch notes

Showing 0 of 0 builds · Δ is the compressed download for the public branch, available once the depot worker runsLoad older builds

CTRL-U: Testing Facility

When Stone Shelter ships

CTRL-U: Testing Facility

When Stone Shelter ships

Patch notes

Builds