How many people are playing Mystery OS right now?

Mystery OS is app 4466610 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Mystery OS?

0 concurrent players on 6 Sep 2026.

When was Mystery OS released on Steam?

Mystery OS was released on Steam on 19 Mar 2026.

Status

SteamPeaks

Mystery OS

GameApp ID 4,466,610by Clermont DigitalReleased 19 Mar 2026

Engine —

View on SteamSteamCompare

App ID4,466,610

Release date19 Mar 2026

Engine—

Install size1.21 GB

TypeGame

Last update20 May 2026

Steam Deck—

DLC1

DeveloperClermont Digital

Changenumber37,321,534

Price—

Packages0

PublisherClermont Digital

SystemsWindows · macOS · Linux

Followers—

Depots3

Compare this game

Mystery OS

Clermont Digital
Released 19 Mar 2026·App 4466610

Steam user reviews

Mixed

41.7%· 12 reviews

Recent —

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Last seen

Sampled 2 hours ago · not a live figure

—of peak

All-time peak

6 Sep 2026

Full details

Everything about Mystery OS

Export CSVUpdated 7 Sep 2026, 17:39 UTC

Identity

Name

Mystery OS

App ID

4,466,610

Type

Game

Developer

Clermont Digital

Publisher

Clermont Digital

Franchise

—

Availability

Release date

19 Mar 2026

Last update

20 May 2026, 01:00 UTC · 4 months ago

Last changenumber

37,321,534

Early Access

Family sharing

Eligible

Store page

None

Prices

Current price

Mystery OS Full Details · SteamPeaks