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

Terraforming Mars - Prelude is app 1245590 on Steam. Player counts appear once the tracker has sampled it.

When was Terraforming Mars - Prelude released on Steam?

Terraforming Mars - Prelude was released on Steam on 8 Dec 2020.

Status

SteamPeaks

Terraforming Mars - Prelude

DlcApp ID 1,245,590by Artefacts StudioReleased 8 Dec 2020

Windows · macOSEngine —

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App ID1,245,590

Release date8 Dec 2020

Engine—

Install size—

TypeDlc

Last update7 Sep 2026

Steam Deck—

DLC0

DeveloperArtefacts Studio

Changenumber37,486,581

Price—

Packages0

PublisherTwin Sails Interactive

SystemsWindows · macOS

Followers—

Depots0

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Terraforming Mars - Prelude

Artefacts Studio·Twin Sails Interactive
Released 8 Dec 2020·App 1245590

Steam user reviews

Mostly Positive

79.0%· 81 reviews

Recent —

SteamPeaks Rating

68.8 Mixed

Recent 30 days —

How it works

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Full details

Everything about Terraforming Mars - Prelude

Export CSVUpdated 7 Sep 2026, 17:11 UTC

Identity

Name

Terraforming Mars - Prelude

App ID

1,245,590

Type

Dlc

Developer

Artefacts Studio

Publisher

Twin Sails Interactive

Franchise

—

Availability

Release date

8 Dec 2020

Last update

7 Sep 2026, 17:11 UTC · 4 days ago

Last changenumber

37,486,581

Early Access

Family sharing

Eligible

Store page

None

Prices

Terraforming Mars - Prelude Full Details · SteamPeaks