Free Mars Games on Steam
Steam currently has 270 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 12/6/2024.
Looking for more? Explore other lists such as:
- Best mars games on Steam
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- 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 44. Its score was calculated by analyzing a total of 173 reviews on Steam. This breaks down to a total of 74 positive reviews and 99 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 10,468 reviews on Steam. This breaks down to a total of 10,113 positive reviews and 355 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. Occupy Mars: Prologue (2020)
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.
Occupy Mars: Prologue (2020) has achieved a Player Score of 75, placing it in the #3 spot for the best free Mars games. Its score was calculated by analyzing a total of 1,552 reviews on Steam. This breaks down to a total of 1,216 positive reviews and 336 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 |
4. 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 #4 spot for the best free Mars games. Its score was calculated by analyzing a total of 808 reviews on Steam. This breaks down to a total of 777 positive reviews and 31 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 |
5. 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 #5 spot for the best free Mars games. Its score was calculated by analyzing a total of 671 reviews on Steam. This breaks down to a total of 601 positive reviews and 70 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 |
6. 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 #6 spot for the best free Mars games. Its score was calculated by analyzing a total of 100 reviews on Steam. This breaks down to a total of 74 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 |
7. Red Planet Rampage
Red Planet Rampage is a dieselpunk western-themed arena shooter where robots face off on Mars with wacky modular guns. Win gun parts in auctions and assemble a unique combination among hundreds of possible weapons!
Red Planet Rampage has achieved a Player Score of 80, placing it in the #7 spot for the best free Mars games. Its score was calculated by analyzing a total of 41 reviews on Steam. This breaks down to a total of 39 positive reviews and 2 negative reviews — making it "Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 6/5/2024 |
| Developer | Hackerspace NTNU |
| Publisher | Hackerspace NTNU |
| Steam App Id | 2717710 |
8. Rover Mechanic Challenge - ERC Competition
𝗘𝗥𝗖 𝗥𝗼𝘃𝗲𝗿 𝗠𝗲𝗰𝗵𝗮𝗻𝗶𝗰 𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 is an e-tournament based on the world's only simulator for repairing Mars Rovers. Take part in solving challenging tasks and become the master of leader board.
Rover Mechanic Challenge - ERC Competition has achieved a Player Score of 63, placing it in the #8 spot for the best free Mars games. Its score was calculated by analyzing a total of 12 reviews on Steam. This breaks down to a total of 9 positive reviews and 3 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 | 9/14/2020 |
| Developers | |
| Publishers | |
| Steam App Id | 1368970 |
9. Alien Tag
Reject Monke, Become Alien. Discord.gg/AlienTag. AlienTagVR.com.
Alien Tag has achieved a Player Score of 42, placing it in the #9 spot for the best free Mars games. Its score was calculated by analyzing a total of 50 reviews on Steam. This breaks down to a total of 19 positive reviews and 31 negative reviews — making it "Mostly Negative" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Alien Tag on the Steam Deck.
| Release Date | 4/20/2024 |
| Developer | IRLDLC.COM INC |
| Publisher | IRLDLC.COM INC |
| Steam App Id | 2672170 |
10. Farlanders: Prologue
Prepare for your journey to Mars by building and managing a colony within the safety of Earth’s atmosphere. Hone your abilities to create a thriving community, terraform the land to suit your needs, and prove your capability for a larger mission. Get ready to launch in this prologue to Farlanders.
Farlanders: Prologue has achieved a Player Score of 85, placing it in the #10 spot for the best free Mars games. Its score was calculated by analyzing a total of 279 reviews on Steam. This breaks down to a total of 259 positive reviews and 20 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Farlanders: Prologue on the Steam Deck (though some functionality may be limited).
| Release Date | 5/18/2021 |
| Franchise | Andriy Bychkovskyi |
| Developer | Andriy Bychkovskyi |
| Publisher | Crytivo |
| Steam App Id | 1460540 |
More Free Mars Games
Explore even more rankings for the 30 best free Mars games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 72 | 12/12/2023 | 44 | Free | Steam Charts | |
| 19 | 12/19/2021 | 94 | Free | Steam Charts | |
| 2 | 8/20/2020 | 75 | Free | Steam Charts | |
| 2 | 5/25/2020 | 90 | Free | Steam Charts | |
| 2 | 10/23/2021 | 84 | Free | Steam Charts | |
| 2 | 5/21/2020 | 68 | Free | Steam Charts | |
| 2 | 6/5/2024 | 80 | Free | Steam Charts | |
| 1 | 9/14/2020 | 63 | Free | Steam Charts | |
| 1 | 4/20/2024 | 42 | Free | Steam Charts | |
| 1 | 5/18/2021 | 85 | Free | Steam Charts | |
 | 1 | 6/9/2020 | 81 | Free | Steam Charts | |
 | 1 | 9/16/2024 | 72 | Free | Steam Charts | |
 | 1 | 12/13/2021 | 72 | Free | Steam Charts | |
 | 1 | 2/21/2024 | 79 | Free | Steam Charts | |
 | 1 | 5/24/2021 | 72 | Free | Steam Charts | |
 | 1 | 12/24/2020 | 47 | Free | Steam Charts | |
 | 1 | 5/19/2021 | 55 | Free | Steam Charts | |
![Operation Satoshi [Early Version Alpha] steam charts](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2135380/header.jpg) | 1 | 11/8/2022 | 55 | Free | Steam Charts | |
 | 1 | 8/11/2022 | 47 | Free | Steam Charts | |
 | 1 | 2/18/2022 | 58 | 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, December 6). Steam Store. Steam Store.
- Valve Corporation. (2024, December 6). Build Master: MarsVille on Steam. Steam Store.
- Valve Corporation. (2024, November 15). The Planet Crafter: Prologue on Steam. Steam Store.
- Valve Corporation. (2024, October 11). Occupy Mars: Prologue (2020) on Steam. Steam Store.
- Valve Corporation. (2024, October 8). Red Planet Farming on Steam. Steam Store.
- Valve Corporation. (2024, October 3). Terraformers: First steps on Mars on Steam. Steam Store.
- Valve Corporation. (2024, November 28). Rover Mechanic Simulator: Training Day on Steam. Steam Store.
- Valve Corporation. (2024, November 28). Red Planet Rampage on Steam. Steam Store.
- Valve Corporation. (2024, October 10). Rover Mechanic Challenge - ERC Competition on Steam. Steam Store.
- Valve Corporation. (2024, December 11). Alien Tag on Steam. Steam Store.
- Valve Corporation. (2024, December 2). Farlanders: Prologue on Steam. Steam Store.