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 15 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

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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 5 hours ago · not a live figure

—of peak

All-time peak

15 Sep 2026

Steam user reviews · 175 written

Updated 13 Sep 2026, 00:00 UTC

SteamPeaks Rating

82.1

Positive

Positive share

88.6%Very Positive

Last 30 days

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No reviews in the last 30 days

Played before writing

—

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

Matter Reviews · SteamPeaks

Matter

Matter

Who is reviewing

Review history