How many people are playing Backrooms Lost Unit Playtest right now?

Backrooms Lost Unit Playtest has 0 players on Steam right now, with a 24-hour peak of 3 and an all-time peak of 3 on 9 Oct 2026.

What is the all-time peak player count of Backrooms Lost Unit Playtest?

3 concurrent players on 9 Oct 2026.

When was Backrooms Lost Unit Playtest released on Steam?

Backrooms Lost Unit Playtest was released on Steam on 9 Apr 2026.

Status

SteamPeaks

Backrooms Lost Unit Playtest

BetaApp ID 4,288,560Released 9 Apr 2026

Playing now

All-time peak

12:53 UTC · 15 Oct 2026steampeaks.com

WindowsEngine —

View on SteamSteamCompare

App ID4,288,560

Release date9 Apr 2026

Engine—

Install size11.2 GB

TypeBeta

Last update13 Oct 2026

Steam Deck—

DLC0

Developer—

Changenumber39,802,071

Price—

Packages0

Publisher—

SystemsWindows

Followers—

Depots1

Compare this game

Backrooms Lost Unit Playtest

Released 9 Apr 2026·App 4288560

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

+0 vs. yesterday

0.0%of peak

All-time peak

9 Oct 2026

Steam user reviews · 0 written

Updated 8 Oct 2026, 03:10 UTC

SteamPeaks Rating

New

Needs ten reviews

Positive share

—No user reviews

Last 30 days

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No reviews in the last 30 days

Played before writing

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Sampling starts with the review poller

Reviews per day

—

From Valve’s daily histogram

How sentiment moved · share of new reviews that were positive

Awaiting the histogram

Not enough samples yet. The line appears once a few readings are in.

Positive shareReviews writtenLifetime shareDrag across the chart to zoom · double-click to reset

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Backrooms Lost Unit Playtest Reviews · SteamPeaks

Backrooms Lost Unit Playtest

Backrooms Lost Unit Playtest

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Review history