Free Mars Games on Steam
Steam currently has 240 Mars games available to download and play. Explore our list of the best free games ranked by popularity and ratings. Data for this list is calculated from reviews and player counts reported directly by Steam and will be updated in real-time. Free Mars game rankings were last updated on 5/30/2024.
Looking for more? Explore other lists such as:
- Best mars games on Steam
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- Free Steam games
- Most played Steam games
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1. Build Master: MarsVille
Build Master: MarsVille is a city-building and strategy game that invites you to create your Martian colony with your engineering genius and building skills. Form alliances, trade resources, and conquer rival colonies. Embrace the challenge and become the ultimate Build Master on Mars!
Build Master: MarsVille holds the #1 spot for "best free Mars game on Steam" with a Player Score of 42. Its score was calculated by analyzing a total of 100 reviews on Steam. This breaks down to a total of 40 positive reviews and 60 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Build Master: MarsVille on the Steam Deck (though some functionality may be limited).
| Release Date | 12/12/2023 |
| Developers | |
| Publisher | FIRST FUN HONG KONG LIMITED |
| Steam App Id | 2366120 |
2. The Planet Crafter: Prologue
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.
The Planet Crafter: Prologue has achieved a Player Score of 94, placing it in the #2 spot for the best free Mars games. Its score was calculated by analyzing a total of 10,257 reviews on Steam. This breaks down to a total of 9,917 positive reviews and 340 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 12/19/2021 |
| Developer | Miju Games |
| Publisher | Miju Games |
| Steam App Id | 1830840 |
3. Ruindog:Prologue
After hundreds of years of invincibility, it has become popular to watch live alien hunts, participate in alien hunts, save up money and equipment, and use the various trophies you find to move on to new maps and defeat more powerful enemies.
Ruindog:Prologue has achieved a Player Score of 78, placing it in the #3 spot for the best free Mars games. Its score was calculated by analyzing a total of 378 reviews on Steam. This breaks down to a total of 318 positive reviews and 60 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 2/22/2024 |
| Developer | Rama Studio |
| Publisher | BD Games |
| Steam App Id | 2802430 |
4. Occupy Mars: Prologue (2020)
Occupy Mars: Prologue is an 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.
Occupy Mars: Prologue (2020) has achieved a Player Score of 75, placing it in the #4 spot for the best free Mars games. Its score was calculated by analyzing a total of 1,534 reviews on Steam. This breaks down to a total of 1,202 positive reviews and 332 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Occupy Mars: Prologue (2020) on the Steam Deck (though some functionality may be limited).
| Release Date | 8/20/2020 |
| Franchise | Pyramid Games S.A. |
| Developer | ▲ Pyramid Games |
| Publishers | |
| Steam App Id | 1310520 |
5. Galaxy Splitter
Intergalactic combat with the vertical shooter
Galaxy Splitter has achieved a Player Score of 53, placing it in the #5 spot for the best free Mars games. Its score was calculated by analyzing a total of 24 reviews on Steam. This breaks down to a total of 13 positive reviews and 11 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 6/14/2022 |
| Developer | NeoBird |
| Publisher | upjers GmbH |
| Steam App Id | 1921080 |
6. 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.
Terraformers: First steps on Mars has achieved a Player Score of 84, placing it in the #6 spot for the best free Mars games. Its score was calculated by analyzing a total of 648 reviews on Steam. This breaks down to a total of 584 positive reviews and 64 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 10/23/2021 |
| Developer | Asteroid Lab |
| Publishers | |
| Steam App Id | 1557040 |
7. Red Planet Farming
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.
Red Planet Farming has achieved a Player Score of 90, placing it in the #7 spot for the best free Mars games. Its score was calculated by analyzing a total of 780 reviews on Steam. This breaks down to a total of 750 positive reviews and 30 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 5/25/2020 |
| Developers | |
| Publisher | Nina Demirjian |
| Steam App Id | 1288170 |
8. Last Resort
Last Resort is a small co-op shooter in which you and up to 3 others defend humanity's first hotel on Mars against hostile aliens. Defend & power up generators, upgrade your weapons and gun down hordes of aliens to save the hotel!
Last Resort has achieved a Player Score of 56, placing it in the #8 spot for the best free Mars games. Its score was calculated by analyzing a total of 133 reviews on Steam. This breaks down to a total of 77 positive reviews and 56 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 6/28/2021 |
| Developer | Team Soupvision |
| Publisher | Breda University of Applied Sciences |
| Steam App Id | 1491650 |
9. Project Eagle: A 3D Interactive Mars Base
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.
Project Eagle: A 3D Interactive Mars Base has achieved a Player Score of 71, placing it in the #9 spot for the best free Mars games. Its score was calculated by analyzing a total of 535 reviews on Steam. This breaks down to a total of 401 positive reviews and 134 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 11/27/2018 |
| Developer | Blackbird Interactive |
| Publisher | Blackbird Interactive |
| Steam App Id | 224000 |
10. Rover Mechanic Simulator: Training Day
Welcome to the Training Day on Mars! In this free version of our advanced simulator you will learn everything you need to know about repairing and maintaining Mars Rovers.
Rover Mechanic Simulator: Training Day has achieved a Player Score of 68, placing it in the #10 spot for the best free Mars games. Its score was calculated by analyzing a total of 98 reviews on Steam. This breaks down to a total of 72 positive reviews and 26 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 5/21/2020 |
| Franchise | Pyramid Games S.A. |
| Developer | ▲ Pyramid Games |
| Publishers | |
| Steam App Id | 1314160 |
More Free Mars Games
Explore even more rankings for the 27 best free Mars games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
 | 99 | 12/12/2023 | 42 | Free | Steam Charts | |
 | 28 | 12/19/2021 | 94 | Free | Steam Charts | |
 | 6 | 2/22/2024 | 78 | Free | Steam Charts | |
 | 6 | 8/20/2020 | 75 | Free | Steam Charts | |
 | 3 | 6/14/2022 | 53 | Free | Steam Charts | |
 | 2 | 10/23/2021 | 84 | Free | Steam Charts | |
 | 2 | 5/25/2020 | 90 | Free | Steam Charts | |
 | 2 | 6/28/2021 | 56 | Free | Steam Charts | |
 | 1 | 11/27/2018 | 71 | Free | Steam Charts | |
 | 1 | 5/21/2020 | 68 | Free | Steam Charts | |
 | 1 | 4/19/2024 | 39 | Free | Steam Charts | |
 | 1 | 5/18/2021 | 85 | Free | Steam Charts | |
 | 1 | 8/10/2022 | 47 | Free | Steam Charts | |
 | 1 | 2/18/2022 | 56 | Free | Steam Charts | |
 | 1 | 12/18/2020 | 66 | Free | Steam Charts | |
 | 1 | 1/30/2023 | 70 | Free | Steam Charts | |
 | 1 | 4/21/2023 | 67 | Free | Steam Charts | |
 | 1 | 11/1/2021 | 60 | Free | Steam Charts | |
 | 1 | 6/9/2020 | 81 | Free | Steam Charts | |
 | 1 | 9/14/2020 | 65 | Free | Steam Charts |
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Player counts and rankings are enriched, analyzed, and updated in real-time to ensure we surface the most up-to-date insights. Learn more about the Steambase approach to data collection and our review methodology.
- Valve Corporation. (2024, May 30). Steam Store. Steam Store.
- Valve Corporation. (2024, May 30). Build Master: MarsVille on Steam. Steam Store.
- Valve Corporation. (2024, May 25). The Planet Crafter: Prologue on Steam. Steam Store.
- Valve Corporation. (2024, May 20). Ruindog:Prologue on Steam. Steam Store.
- Valve Corporation. (2024, May 30). Occupy Mars: Prologue (2020) on Steam. Steam Store.
- Valve Corporation. (2024, May 8). Galaxy Splitter on Steam. Steam Store.
- Valve Corporation. (2024, May 28). Terraformers: First steps on Mars on Steam. Steam Store.
- Valve Corporation. (2024, May 24). Red Planet Farming on Steam. Steam Store.
- Valve Corporation. (2024, May 30). Last Resort on Steam. Steam Store.
- Valve Corporation. (2024, May 25). Project Eagle: A 3D Interactive Mars Base on Steam. Steam Store.
- Valve Corporation. (2024, May 30). Rover Mechanic Simulator: Training Day on Steam. Steam Store.