Free Mars Games on Steam
Steam currently has 328 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 4/15/2026.
Looking for more? Explore other lists such as:
- Best mars games on Steam
- Best mars Steam Deck games
- Best mars Steam games for Mac OS
- Best mars Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. DarkOrbit Reloaded
Dark Orbit is a free-2-play space MMO where three companies battle for galactic domination. Customize ships, trade resources, fight aliens and uncover a grand conspiracy on your epic cosmic journey. Thrilling PvP and PvE missions await! Will you lead your faction beyond the final frontier?
DarkOrbit Reloaded holds the #1 spot for "best free Mars game on Steam" with a Player Score of 32. Its score was calculated by analyzing a total of 369 reviews on Steam. This breaks down to a total of 106 positive reviews and 263 negative reviews — making it "Mostly Negative" 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 | 12/3/2025 |
| Developer | Bigpoint GmbH |
| Publisher | Bigpoint GmbH |
| Steam App Id | 4054110 |
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 10,661 reviews on Steam. This breaks down to a total of 10,280 positive reviews and 381 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. 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 55, placing it in the #3 spot for the best free Mars games. Its score was calculated by analyzing a total of 141 reviews on Steam. This breaks down to a total of 80 positive reviews and 61 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 |
4. Grow Big (or Go Home): Ultimate Edition
Play as Bruce, the world's most talented indoor gardener, in this 2D pixel-art puzzle game. Through now 30+ fast-paced levels, you will travel to different locations and eras in order to water, light, and tend to plants with the high-tech magic of a watering can and a reflective mirror.
Grow Big (or Go Home): Ultimate Edition has achieved a Player Score of 65, placing it in the #4 spot for the best free Mars games. Its score was calculated by analyzing a total of 53 reviews on Steam. This breaks down to a total of 38 positive reviews and 15 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Release Date | 12/18/2020 |
| Developer | Quarant Inc. |
| Publisher | Quarant Inc. |
| Steam App Id | 1476080 |
5. Fast Finger Rule
Fast Finger Rule is a minimalistic battle planet duel simulator. To make precise shots you just need to click on your planet at right time. Game has 10+ planet shield types and 15+ planets of 3 different tiers.
Fast Finger Rule has achieved a Player Score of 62, placing it in the #5 spot for the best free Mars games. Its score was calculated by analyzing a total of 8 reviews on Steam. This breaks down to a total of 6 positive reviews and 2 negative reviews — making it "8 user reviews" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Fast Finger Rule on the Steam Deck (though some functionality may be limited).
6. Crimson Phoenix Rise
The game is a story-driven 2D platformer, with some Metroidvania aspects, where the player determines the outcome of the game based upon their “Morality” score, which itself is based upon the player's decision to kill in the game.
Crimson Phoenix Rise has achieved a Player Score of 71, placing it in the #6 spot for the best free Mars games. Its score was calculated by analyzing a total of 10 reviews on Steam. This breaks down to a total of 9 positive reviews and 1 negative reviews — making it "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 | 10/9/2022 |
| Developer | Adrian Torres |
| Publisher | Adrian Torres |
| Steam App Id | 2158620 |
7. Senators Praetorians and Qualified Gladiators
Play alone or with your friends a gladiators game.
Senators Praetorians and Qualified Gladiators has achieved a Player Score of 50, placing it in the #7 spot for the best free Mars games. Its score was calculated by analyzing a total of 10 reviews on Steam. This breaks down to a total of 5 positive reviews and 5 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 | 1/18/2022 |
| Developer | Creative Oven Studio Group |
| Publisher | Creative Oven Studio Group |
| Steam App Id | 1531650 |
8. Red Planet Rampage
A build-your-own-gun FPS! Play online, splitscreen or vs. AI in this goofy party game with over 600 unique weapons! Outbid your opponents and assemble the wildest weapon on Mars!
Red Planet Rampage has achieved a Player Score of 80, placing it in the #8 spot for the best free Mars games. Its score was calculated by analyzing a total of 61 reviews on Steam. This breaks down to a total of 56 positive reviews and 5 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is not possible to play or run Red Planet Rampage on the Steam Deck.
| Release Date | 6/5/2024 |
| Developer | Hackerspace NTNU |
| Publisher | Hackerspace NTNU |
| Steam App Id | 2717710 |
9. Space Mechanic Simulator: Prologue
Space Mechanic Simulator: Prologue is a story prelude to the full version, which will introduce you to the world of cosmic repairs, greedy corporations, and cutting-edge technology.
Space Mechanic Simulator: Prologue 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 63 reviews on Steam. This breaks down to a total of 50 positive reviews and 13 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 Space Mechanic Simulator: Prologue on the Steam Deck (though some functionality may be limited).
| Release Date | 1/30/2023 |
| Franchise | Atomic Jelly |
| Developer | Atomic Jelly |
| Publishers | |
| Steam App Id | 1634280 |
10. 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 #10 spot for the best free Mars games. Its score was calculated by analyzing a total of 869 reviews on Steam. This breaks down to a total of 834 positive reviews and 35 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 |
More Free Mars Games
Explore even more rankings for the 31 best free Mars games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 55 | 12/3/2025 | 32 | Free | Steam Charts | |
| 11 | 12/19/2021 | 94 | Free | Steam Charts | |
| 1 | 6/28/2021 | 55 | Free | Steam Charts | |
| 1 | 12/18/2020 | 65 | Free | Steam Charts | |
| 1 | 11/1/2021 | 62 | Free | Steam Charts | |
| 1 | 10/9/2022 | 71 | Free | Steam Charts | |
| 1 | 1/18/2022 | 50 | Free | Steam Charts | |
| 1 | 6/5/2024 | 80 | Free | Steam Charts | |
| 1 | 1/30/2023 | 71 | Free | Steam Charts | |
| 1 | 5/25/2020 | 90 | Free | Steam Charts | |
![Operation Satoshi [Early Version Alpha] steam charts](https://cdn.akamai.steamstatic.com/steam/apps/2135380/header.jpg) | 1 | 11/8/2022 | 54 | Free | Steam Charts | |
 | 1 | 11/27/2018 | 72 | Free | Steam Charts | |
 | 1 | 9/16/2024 | 69 | Free | Steam Charts | |
 | 1 | 11/15/2024 | 72 | Free | Steam Charts | |
 | 1 | 6/9/2020 | 82 | Free | Steam Charts | |
 | 1 | 5/24/2021 | 74 | Free | Steam Charts | |
 | 1 | 9/30/2025 | 69 | Free | Steam Charts | |
 | 1 | 2/21/2024 | 78 | Free | Steam Charts | |
 | 1 | 8/11/2022 | 48 | Free | Steam Charts | |
 | 1 | 5/19/2021 | 55 | 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. (2026, April 15). Steam Store. Steam Store.
- Valve Corporation. (2026, April 15). DarkOrbit Reloaded on Steam. Steam Store.
- Valve Corporation. (2026, April 3). The Planet Crafter: Prologue on Steam. Steam Store.
- Valve Corporation. (2026, April 3). Last Resort on Steam. Steam Store.
- Valve Corporation. (2026, April 3). Grow Big (or Go Home): Ultimate Edition on Steam. Steam Store.
- Valve Corporation. (2026, April 3). Fast Finger Rule on Steam. Steam Store.
- Valve Corporation. (2026, April 3). Crimson Phoenix Rise on Steam. Steam Store.
- Valve Corporation. (2026, April 3). Senators Praetorians and Qualified Gladiators on Steam. Steam Store.
- Valve Corporation. (2026, April 3). Red Planet Rampage on Steam. Steam Store.
- Valve Corporation. (2026, February 21). Space Mechanic Simulator: Prologue on Steam. Steam Store.
- Valve Corporation. (2026, April 2). Red Planet Farming on Steam. Steam Store.