How many people are playing Matter right now?

Matter is app 978250 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Matter?

0 concurrent players on 16 Sep 2026.

When was Matter released on Steam?

Matter was released on Steam on 18 Dec 2018.

Status

SteamPeaks

Matter

GameApp ID 978,250by Uki Uki LabReleased 18 Dec 2018

Windows · macOSEngine —

View on SteamSteamCompare

App ID978,250

Release date18 Dec 2018

Engine—

Install size2.24 GB

TypeGame

Last update8 Oct 2019

Steam Deck—

DLC0

DeveloperUki Uki Lab

Changenumber34,842,807

Price$4.99

Packages0

PublisherUki Uki Lab

SystemsWindows · macOS

Followers—

Depots2

Compare this game

Matter

Uki Uki Lab
Released 18 Dec 2018·App 978250

Steam user reviews

Very Positive

88.6%· 175 reviews

Recent —

SteamPeaks Rating

82.1 Positive

Recent 30 days —

How it works

Last seen

Sampled 2 hours ago · not a live figure

—of peak

All-time peak

16 Sep 2026

Update history

A permanent record of every observed change.

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Matter Update History · SteamPeaks

Showing keys matching the filter · 0 events on this page have no match

Time (UTC)SourceWhat changedAddedEditedRemovedReference

5 Sep 2026

07:02:13PICSPublic manifest changed+127——#34,842,807

Recorded change · 5 Sep 2026, 07:02:13 UTCView all 127

Status	Key	Previous value	New value
Depot 228987
Added	Operating systemsdepots.228987.config.oslist	—	windows
Added	Depot from appdepots.228987.depotfromapp	—	228980
Added	Shared installdepots.228987.sharedinstall	—	1
Depot 228990
Added	Operating systemsdepots.228990.config.oslist	—	windows
Added	Depot from appdepots.228990.depotfromapp	—	228980
Added	Shared installdepots.228990.sharedinstall	—	1
Depot 978251
Added	Architecturedepots.978251.config.osarch	—	64
Added	Operating systemsdepots.978251.config.oslist	—	windows
Added	manifests.previous_version_1.0.downloaddepots.978251.manifests.previous_version_1.0.download	—	736834688
Added	manifests.previous_version_1.0.giddepots.978251.manifests.previous_version_1.0.gid	—	4397971423400037479
Added	manifests.previous_version_1.0.sizedepots.978251.manifests.previous_version_1.0.size	—	1754471429
Added	Download size on publicdepots.978251.manifests.public.download	—	989.8 MB1037883136
Added	Manifest on publicdepots.978251.manifests.public.gid	—	5797759507953240080
Added	Size on disk on publicdepots.978251.manifests.public.size	—	1.04 GB1115941403
Depot 978252
Added	Architecturedepots.978252.config.osarch	—	64
Added	Operating systemsdepots.978252.config.oslist	—	macos
Added	manifests.previous_version_1.0.downloaddepots.978252.manifests.previous_version_1.0.download	—	808775680
Added	manifests.previous_version_1.0.giddepots.978252.manifests.previous_version_1.0.gid	—	8210728650710318379
Added	manifests.previous_version_1.0.sizedepots.978252.manifests.previous_version_1.0.size	—	1989735408
Added	Download size on publicdepots.978252.manifests.public.download	—	1.03 GB1108054528
Added	Manifest on publicdepots.978252.manifests.public.gid	—	9032330309236163232
Added	Size on disk on publicdepots.978252.manifests.public.size	—	1.20 GB1284404894