Free Space Games on Steam
Steam currently has 7,467 Space 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 Space game rankings were last updated on 4/5/2026.
Looking for more? Explore other lists such as:
- Best space games on Steam
- Best space Steam Deck games
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- Free Steam games
- Most played Steam games
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1. Warframe
Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game
Warframe holds the #1 spot for "best free Space game on Steam" with a Player Score of 87. Its score was calculated by analyzing a total of 659,338 reviews on Steam. This breaks down to a total of 578,057 positive reviews and 81,281 negative reviews — making it "Very 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 | 3/25/2013 |
| Developer | Digital Extremes |
| Publisher | Digital Extremes |
| Steam App Id | 230410 |
2. Destiny 2
Destiny 2 is an action MMO with a single evolving world that you and your friends can join anytime, anywhere, absolutely free.
Destiny 2 has achieved a Player Score of 77, placing it in the #2 spot for the best free Space games. Its score was calculated by analyzing a total of 645,514 reviews on Steam. This breaks down to a total of 499,020 positive reviews and 146,494 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Destiny 2 on the Steam Deck.
3. Cell to Singularity - Evolution Never Ends
The epic story of evolution, technology, humanity, and dinosaurs is yours to tap.
Cell to Singularity - Evolution Never Ends has achieved a Player Score of 88, placing it in the #3 spot for the best free Space games. Its score was calculated by analyzing a total of 26,557 reviews on Steam. This breaks down to a total of 23,802 positive reviews and 2,755 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 possible to play Cell to Singularity - Evolution Never Ends on the Steam Deck (though some functionality may be limited).
| Release Date | 11/3/2021 |
| Developer | Computer Lunch |
| Publisher | Computer Lunch |
| Steam App Id | 977400 |
4. EVE Online
Over 20 years of legendary space battles! Explore a massive living universe of danger and opportunity in a challenging and highly rewarding space adventure. Fight, trade, build, and connect with a universe driven and shaped directly by players.
EVE Online has achieved a Player Score of 73, placing it in the #4 spot for the best free Space games. Its score was calculated by analyzing a total of 38,536 reviews on Steam. This breaks down to a total of 28,325 positive reviews and 10,211 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play EVE Online on the Steam Deck (though some functionality may be limited).
5. STAR WARS™: The Old Republic™
STAR WARS™: The Old Republic™ is a free-to-play MMORPG that puts you at the center of your own story-driven saga. Play as a Jedi, Sith, Bounty Hunter, or one of many other iconic STAR WARS roles in the galaxy far, far away over three thousand years before the classic films.
STAR WARS™: The Old Republic™ has achieved a Player Score of 88, placing it in the #5 spot for the best free Space games. Its score was calculated by analyzing a total of 72,860 reviews on Steam. This breaks down to a total of 65,252 positive reviews and 7,608 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play STAR WARS™: The Old Republic™ on the Steam Deck (though some functionality may be limited).
| Release Date | 7/21/2020 |
| Franchise | BioWare EA |
| Developers | |
| Publisher | Electronic Arts |
| Steam App Id | 1286830 |
6. Unnamed Space Idle
Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power.
Unnamed Space Idle has achieved a Player Score of 89, placing it in the #6 spot for the best free Space games. Its score was calculated by analyzing a total of 4,041 reviews on Steam. This breaks down to a total of 3,752 positive reviews and 289 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Unnamed Space Idle on the Steam Deck (though some functionality may be limited).
| Release Date | 7/27/2023 |
| Developer | Sylv |
| Publishers | |
| Steam App Id | 2471100 |
7. Starward
Starward is a 3D fighting game that integrates mecha girls and classic GVG combat gameplay, with 1V1 and 2V2 mode as the core gameplay.
Starward has achieved a Player Score of 63, placing it in the #7 spot for the best free Space games. Its score was calculated by analyzing a total of 3,288 reviews on Steam. This breaks down to a total of 2,096 positive reviews and 1,192 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Starward on the Steam Deck (though some functionality may be limited).
| Release Date | 4/24/2024 |
| Developer | Game Blender |
| Publisher | 盛天游戏 |
| Steam App Id | 2764370 |
8. Upload Labs
A sci-fi management game where you build and optimize your computer's system from the ground up. Connect and configure interconnected nodes to efficiently download, process, and upload files. Manage your setup, solve system challenges, and become the ultimate system architect
Upload Labs has achieved a Player Score of 89, placing it in the #8 spot for the best free Space games. Its score was calculated by analyzing a total of 6,827 reviews on Steam. This breaks down to a total of 6,298 positive reviews and 529 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Upload Labs on the Steam Deck (though some functionality may be limited).
| Release Date | 10/3/2025 |
| Developer | EnigmaDev Studios |
| Publisher | EnigmaDev Studios |
| Steam App Id | 3606890 |
9. Star Trek Online
In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before.
Star Trek Online has achieved a Player Score of 78, placing it in the #9 spot for the best free Space games. Its score was calculated by analyzing a total of 20,965 reviews on Steam. This breaks down to a total of 16,573 positive reviews and 4,392 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 Star Trek Online on the Steam Deck (though some functionality may be limited).
| Release Date | 1/31/2012 |
| Franchise | Arc Games |
| Developer | Cryptic Studios |
| Publishers | |
| Steam App Id | 9900 |
10. Antimatter Dimensions
Earn antimatter through dimensions! Gain Infinite antimatter to collapse the universe!
Antimatter Dimensions has achieved a Player Score of 89, placing it in the #10 spot for the best free Space games. Its score was calculated by analyzing a total of 4,305 reviews on Steam. This breaks down to a total of 3,976 positive reviews and 329 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 possible to play Antimatter Dimensions on the Steam Deck (though some functionality may be limited).
| Release Date | 12/17/2022 |
| Developers | |
| Publishers | |
| Steam App Id | 1399720 |
More Free Space Games
Explore even more rankings for the 100 best free Space games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 64,754 | 3/25/2013 | 87 | Free | Steam Charts | |
| 7,151 | 10/1/2019 | 77 | Free | Steam Charts | |
| 5,211 | 11/3/2021 | 88 | Free | Steam Charts | |
| 4,639 | 12/16/2010 | 73 | Free | Steam Charts | |
| 4,593 | 7/21/2020 | 88 | Free | Steam Charts | |
| 3,472 | 7/27/2023 | 89 | Free | Steam Charts | |
| 1,892 | 4/24/2024 | 63 | Free | Steam Charts | |
| 1,696 | 10/3/2025 | 89 | Free | Steam Charts | |
| 1,651 | 1/31/2012 | 78 | Free | Steam Charts | |
| 1,240 | 12/17/2022 | 89 | Free | Steam Charts | |
 | 1,023 | 8/6/2025 | 72 | Free | Steam Charts | |
 | 974 | 11/15/2021 | 69 | Free | Steam Charts | |
 | 274 | 1/2/2026 | 61 | Free | Steam Charts | |
 | 250 | 9/17/2025 | 86 | Free | Steam Charts | |
 | 223 | 11/20/2012 | 80 | Free | Steam Charts | |
 | 161 | 4/30/2022 | 77 | Free | Steam Charts | |
 | 155 | 7/12/2017 | 64 | Free | Steam Charts | |
 | 144 | 10/22/2024 | 52 | Free | Steam Charts | |
 | 138 | 2/27/2019 | 71 | Free | Steam Charts | |
 | 132 | 10/8/2021 | 56 | 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 5). Steam Store. Steam Store.
- Valve Corporation. (2026, April 5). Warframe on Steam. Steam Store.
- Valve Corporation. (2026, April 22). Destiny 2 on Steam. Steam Store.
- Valve Corporation. (2026, April 22). Cell to Singularity - Evolution Never Ends on Steam. Steam Store.
- Valve Corporation. (2026, April 22). EVE Online on Steam. Steam Store.
- Valve Corporation. (2026, April 21). STAR WARS™: The Old Republic™ on Steam. Steam Store.
- Valve Corporation. (2026, April 21). Unnamed Space Idle on Steam. Steam Store.
- Valve Corporation. (2026, April 17). Starward on Steam. Steam Store.
- Valve Corporation. (2026, April 3). Upload Labs on Steam. Steam Store.
- Valve Corporation. (2026, April 21). Star Trek Online on Steam. Steam Store.
- Valve Corporation. (2026, April 2). Antimatter Dimensions on Steam. Steam Store.