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Backrooms 99 is app 4989410 on Steam. Player counts appear once the tracker has sampled it.

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Backrooms 99

GameApp ID 4,989,410by Çınar's ArtReleases Coming soon

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App ID4,989,410

Release dateComing soon

Engine—

Install size—

TypeGame

Last update8 Oct 2026

Steam DeckUnknown

DLC0

DeveloperÇınar's Art

Changenumber39,566,459

Price—

Packages0

PublisherÇınar's Art

SystemsWindows

Followers15

Depots0

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Backrooms 99

Çınar's Art
Releases Coming soon·App 4989410

Steam user reviews

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0 so far · summary at 10

SteamPeaks Rating

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Rated from 10 reviews

How it works

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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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Quiet · no builds in 30 days

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Backrooms 99 Patches · SteamPeaks

Backrooms 99

Builds

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Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
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Backrooms 99

When Çınar's Art ships

Backrooms 99

When Çınar's Art ships

Patch notes

Builds