Top-Rated Free Mars Games on Steam

6 free Mars games with 500+ reviews and a 70%+ positive rating, newest first.

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The Planet Crafter: Prologue - Players say: Survive on a barren planet by gathering resources, building terraforming machines, and gradually creating conditions for life. Players like: Visible Planet Changes · Relaxing Base Building · Steady Terraforming Progress ·
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Experience the first stages of terraforming an entire planet in this space survival open world terraforming crafting game prologue. Explore, survive, collect, build your base then create oxygen, heat and pressure to make an hostile planet livable for humanity.

Occupy Mars: Prologue (2020) - Players say: At a remote Mars research station, gather resources and manage supplies before an approaching dust storm and nightfall. Players like: Mars Survival Premise · Base-Building Systems · Mars Atmosphere ·
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Occupy Mars: Prologue is an old introduction to the world of Occupy Mars in which you have to use your brain in order to survive. The Prologue tells a separate story in a closed location and shows a sneak-peek of the full game mechanics.

Red Planet Farming - Players say: As Mars’s agricultural director, plan crops and protective upgrades to feed settlers across outposts facing harsh planetary hazards. Players like: Relaxed, Cozy Pace · Free to Play · Easy to Learn ·
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Become the first Agricultural Director of Mars in Red Planet Farming! This casual strategy game tasks players with producing enough food to feed a growing population of settlers on the red planet.

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May 25, 2020
96% 👍
of 887
Project Eagle: A 3D Interactive Mars Base - Players say: Explore a science-informed model of a possible Mars colony near Gale Crater, walking among its structures without managing a settlement. Players like: Mars Base Exploration · Science-Informed Design · Detailed Visuals ·
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An interactive art demo that showcases what a future base on Mars could look like. Project Eagle isn't a game - but an exploration of mankind's possible future.

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Nov 27, 2018
76% 👍
of 546
Red Faction Guerrilla Steam Edition - Players say: Lead a Martian rebellion in an open-world action game where you raid EDF forces and demolish buildings to reshape fights. Players like: Building-Collapse Physics · Flexible Demolition Tactics · Lasting World Damage ·
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Set 50 years after the climactic events of the original Red Faction, Red Faction: Guerrilla allows players to take the role of an insurgent fighter with the newly re-established Red Faction movement as they battle for liberation from the oppressive Earth Defense Force.

DOOM 3 - Players say: As a Marine caught in a demonic outbreak on Mars, explore dark UAC corridors and fight back with weapons and a flashlight. Players like: Oppressive Mars Atmosphere · Flashlight-Fight Tension · Horror Sound and Lighting ·
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A massive demonic invasion has overwhelmed the Union Aerospace Corporation's (UAC) Mars Research Facility, leaving only chaos and horror in its wake. As one of only a few survivors, you must fight your way to hell and back against a horde of evil monsters.

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Aug 3, 2007
89% 👍
of 8.4k