How many people are playing Terraforming Mars - Colonies right now?

Terraforming Mars - Colonies is app 4143120 on Steam. Player counts appear once the tracker has sampled it.

When was Terraforming Mars - Colonies released on Steam?

Terraforming Mars - Colonies was released on Steam on 22 Jan 2026.

DlcApp ID 4,143,120by Artefacts StudioReleased 22 Jan 2026

Windows · macOSEngine —

App ID4,143,120

Release date22 Jan 2026

Engine—

Install size—

TypeDlc

Last update7 Sep 2026

Steam Deck—

DLC0

DeveloperArtefacts Studio

Changenumber37,540,954

Price—

Packages0

PublisherTwin Sails Interactive

SystemsWindows · macOS

Followers—

Depots0

Terraforming Mars - Colonies

Steam user reviews

Mixed

45.0%· 20 reviews

Recent —

SteamPeaks Rating

25.8 Negative

Recent 30 days —

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Terraforming Mars - Colonies Store History · SteamPeaks