How many people are playing Book Inside right now?

Book Inside is app 4369140 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Book Inside?

1 concurrent players on 8 Sep 2026.

When was Book Inside released on Steam?

Book Inside was released on Steam on 17 Feb 2026.

Status

SteamPeaks

Book Inside

GameApp ID 4,369,140by Team. Open BookReleased 17 Feb 2026

WindowsEngine —

View on SteamSteamCompare

App ID4,369,140

Release date17 Feb 2026

Engine—

Install size6.82 GB

TypeGame

Last update4 Mar 2026

Steam Deck—

DLC0

DeveloperTeam. Open Book

Changenumber36,631,845

Price—

Packages0

PublisherTeam. Open Book

SystemsWindows

Followers—

Depots2

Compare this game

Book Inside

Team. Open Book
Released 17 Feb 2026·App 4369140

Steam user reviews

Not enough reviews yet

5 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Last seen

Sampled 25 minutes ago · not a live figure

—of peak

All-time peak

8 Sep 2026

Update history

A permanent record of every observed change.

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All changes Changelists Builds News Store Achievements

Book Inside Update History · SteamPeaks

Showing keys matching the filter · 1 event on this page has no match

Time (UTC)SourceWhat changedAddedEditedRemovedReference

5 Sep 2026

07:47:23PICSPublic manifest changed+86——#36,631,845

Recorded change · 5 Sep 2026, 07:47:23 UTCView all 86

Status	Key	Previous value	New value
Added	Build ID on publicdepots.branches.public.buildid	—	22194832
Added	Build time on publicdepots.branches.public.timebuildupdated	—	4 Mar 2026, 12:39:04 UTC1772627944
Added	Updated time on publicdepots.branches.public.timeupdated	—	4 Mar 2026, 12:41:46 UTC1772628106

Raw values