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Terraformers: First Steps on Mars

Terraformers: First Steps on Mars is a free prologue of Terraformers, featuring an exclusive challenge to lead humanity's first attempt at settling the Red Planet.

Released Oct 23, 2021 Developer Asteroid Lab Publisher Goblinz Publishing, IndieArk Platforms Windows · Mac · Linux Strategy Simulation Colony Sim Resource Management Sci-fi

View on Steam ↗ Free (US · as of 2026-09-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.

88.5%positive703 reviews

Recommended · 2 found this helpful

“short fun game do more games like this”

— a player, Steam review · 0 hrs played

Recommended · 0 found this helpful

“Terraformers: First Steps on Mars is a free prologue that gives me a small taste of a much bigger Mars strategy game. I am put in charge of humanity's first attempt at settling Mars, and my job is to explore the planet, find useful resources and start building the foundations of…”

— a player, Steam review · 4 hrs played

Not recommended · 0 found this helpful

“I give this a negative review not because there is anything bad about it. It is a simpler shorter version of Terraformers. One could say it is a tutorial for the full game. Just buy the excellent Terraformers and skip this.”

— a player, Steam review · 1 hrs played

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-28.

3achievements

13.1%median completion

8.0%rarest: Martian Utopia

Almost everyone has

22.1%A Viable Project — Reach 1000 points to unlock.

13.1%A Prosperous Colony — Reach 1500 points to unlock.

8.0%Martian Utopia — Reach 2000 points to unlock.

Rarest badges of honor

8.0%Martian Utopia — Reach 2000 points to unlock.

13.1%A Prosperous Colony — Reach 1500 points to unlock.

22.1%A Viable Project — Reach 1000 points to unlock.

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Mar 11, 2023
small patch v1.0.60P

- fixed an issue where digging aquifer could show a wrong resource - fixed a bug making the map disappear (a landmark project was missing)

Mar 09, 2023
Prologue update and 1.0 release!

Hey everyone, With the release of the base game, we have upgraded the prologue to be on par with the full game in terms of quality! The patch notes are too long to list, but overall, everything will b

Jan 20, 2022
christmas end micro update

Small update to end christmas easter egg and tweak the wishlist popup.

Dec 16, 2021
v0.6.69 with some small fix and polish

Bug fix and polish Fixed a bug where a mine would display (resource_none) Fixed a bug where spaceport would not work with some mines Fixed a bug where you could select a project when founding a city F

Dec 09, 2021
bug fix patch v0.6.68

V0.6.68 patch notes Bug fix and polish Fixed a bug where lifeform were not proposed anymore Fixed a bug where the HQ would benefit from Brine Electrolyser project Fixed a few french localisation relat

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-26.

Genres	Simulation, Strategy, Free To Play
Player tags	Strategy · Simulation · Colony Sim · Resource Management · Sci-fi · Atmospheric · 4X · Space Sim · City Builder · Futuristic · Turn-Based Strategy · Mars (Steam store community voting)
Features	Single-player · Steam Achievements · Steam Cloud · Family Sharing
Languages	English, German, Simplified Chinese, French, Spanish - Spain, Spanish - Latin America, Russian
Achievements	3
Official site	https://terraformers-game.com

Minimum system requirements (PC)

Minimum: OS: Windows Processor: TBD Memory: 8 GB RAM Graphics: TBD