How many people are playing Terraforming Mars right now?

Terraforming Mars has 315 players on Steam right now, with a 24-hour peak of 534 and an all-time peak of 1,645 on Feb 2021.

What is the all-time peak player count of Terraforming Mars?

1,645 concurrent players on Feb 2021.

When was Terraforming Mars released on Steam?

Terraforming Mars was released on Steam on 17 Oct 2018.

Status

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Apps Terraforming MarsStore history

Terraforming Mars

GameApp ID 800,270by Artefacts StudioReleased 17 Oct 2018

Windows · macOSEngine —

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Store history

0 changes

No store changes recorded since the first observation.

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Terraforming Mars Store History · SteamPeaks

Apps Terraforming MarsStore history

Terraforming Mars

GameApp ID 800,270by Artefacts StudioReleased 17 Oct 2018

Windows · macOSEngine —

Strategy Board Game Tabletop Space Turn-Based Mars +14 +16

Overview

Data

Price history Charts Patches Events Reviews Audience Estimates Availability

Technical

Metadata Packages DLC6 Depots2 Requirements Install size Configuration Cloud saves

Content

Achievements Community Media Related apps

History

Update history Store history

Everything

Full details

Store fields that changed

Store history

0 changes

No store changes recorded since the first observation.

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App ID800,270

Release date17 Oct 2018

Engine—

Install size993 MB

TypeGame

Last update9 Jun 2026

Steam DeckVerified

DLC6

DeveloperArtefacts Studio

Changenumber37,437,721

Price$19.99

Packages0

PublisherTwin Sails Interactive

SystemsWindows · macOS

Followers—

Depots2

Compare this game

Terraforming Mars

Artefacts Studio·Twin Sails Interactive
Released 17 Oct 2018·App 800270

Steam user reviews

Mostly Positive

70.6%· 7.2K reviews

Recent Very Positive · 81%

SteamPeaks Rating

70.2 Positive

Recent 30 days 57.0

How it works

Playing now

315

+18 vs. yesterday

19%of peak

All-time peak

1,645

Feb 2021

Updated 12 Sep 2026, 01:49 UTCData by SteamPeaks.com