Best Space Games on Steam
Steam currently has 6,169 Space games available to download and play. Explore our list of the best picks ranked by Player Score. Our Player Score rankings are calculated directly from reviews left on the Steam store and will be updated in real-time as more players leave their feedback. Space game rankings were last updated on 5/18/2025.
Looking for more? Explore other lists such as:
- Free space games on Steam
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- Free Steam games
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1. RimWorld
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
RimWorld holds the #1 spot for "best Space game on Steam" with a Player Score of 97. Its score was calculated by analyzing a total of 209,369 reviews on Steam. This breaks down to a total of 205,108 positive reviews and 4,261 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $27.99 to play and can be played and ran on Windows, Mac, and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $27.99 |
| Release Date | 10/17/2018 |
| Developer | Ludeon Studios |
| Publisher | Ludeon Studios |
| Steam App Id | 294100 |
2. Deep Rock Galactic
Deep Rock Galactic is a 1-4 player co-op FPS featuring badass space Dwarves, 100% destructible environments, procedurally-generated caves, and endless hordes of alien monsters.
Deep Rock Galactic has achieved a Player Score of 96, placing it in the #2 spot for the best Space games. Its score was calculated by analyzing a total of 341,796 reviews on Steam. This breaks down to a total of 332,409 positive reviews and 9,387 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $29.99 to play and can be played and ran on Windows systems. At the moment, it is possible to play Deep Rock Galactic on the Steam Deck (though some functionality may be limited).
| Steam Price | $29.99 |
| Release Date | 5/13/2020 |
| Franchise | Coffee Stain |
| Developer | Ghost Ship Games |
| Publisher | Coffee Stain Publishing |
| Steam App Id | 548430 |
3. Dyson Sphere Program
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.
Dyson Sphere Program has achieved a Player Score of 96, placing it in the #3 spot for the best Space games. Its score was calculated by analyzing a total of 84,912 reviews on Steam. This breaks down to a total of 82,923 positive reviews and 1,989 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $19.99 to play and can be played and ran on Windows systems. At the moment, it is possible to play Dyson Sphere Program on the Steam Deck (though some functionality may be limited).
| Steam Price | $19.99 |
| Release Date | 1/21/2021 |
| Developer | Youthcat Studio |
| Publishers | |
| Steam App Id | 1366540 |
4. STAR WARS™ Empire at War - Gold Pack
Command or corrupt an entire galaxy in the definitive Star Wars strategy collection. It is a time of galactic civil war. Will you take up the reins of the Rebellion, assume control of the Empire, or rule the Star Wars Underworld?
STAR WARS™ Empire at War - Gold Pack has achieved a Player Score of 96, placing it in the #4 spot for the best Space games. Its score was calculated by analyzing a total of 39,168 reviews on Steam. This breaks down to a total of 38,240 positive reviews and 928 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $19.99 to play and can be played and ran on Windows systems. At the moment, it is possible to play STAR WARS™ Empire at War - Gold Pack on the Steam Deck (though some functionality may be limited).
| Steam Price | $19.99 |
| Release Date | 5/26/2010 |
| Developer | Petroglyph |
| Publishers | |
| Steam App Id | 32470 |
5. Oxygen Not Included
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
Oxygen Not Included has achieved a Player Score of 95, placing it in the #5 spot for the best Space games. Its score was calculated by analyzing a total of 127,914 reviews on Steam. This breaks down to a total of 123,749 positive reviews and 4,165 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $24.99 to play and can be played and ran on Windows, Mac, and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $24.99 |
| Release Date | 7/30/2019 |
| Franchise | Klei |
| Developer | Klei Entertainment |
| Publisher | Klei Entertainment |
| Steam App Id | 457140 |
6. shapez 2
Dive into a factory-building game with the focus on just that – building huge space factories! Construct sprawling multi-level factories and satisfying production lines without limits. Tackle increasingly complex automation challenges at your own pace – you won’t have to worry about enemies.
shapez 2 has achieved a Player Score of 95, placing it in the #6 spot for the best Space games. Its score was calculated by analyzing a total of 10,889 reviews on Steam. This breaks down to a total of 10,694 positive reviews and 195 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $24.99 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play shapez 2 on the Steam Deck (though some functionality may be limited).
| Steam Price | $24.99 |
| Release Date | 8/15/2024 |
| Franchise | tobspr Games |
| Developer | tobspr Games |
| Publishers | |
| Steam App Id | 2162800 |
7. Aliya: Timelink
The player connects to a girl in distress in space thousands of years later? How will they resolve the crisis and discover the truth? Through the mechanism of real-time synchronization, the game breaks through the dimensional wall and creates an immersive dialogue across time and space.
Aliya: Timelink has achieved a Player Score of 95, placing it in the #7 spot for the best Space games. Its score was calculated by analyzing a total of 6,378 reviews on Steam. This breaks down to a total of 6,265 positive reviews and 113 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $2.99 to play and can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Steam Price | $2.99 |
| Release Date | 4/25/2024 |
| Developers | |
| Publishers | |
| Steam App Id | 2704110 |
8. Gravitas
Gravitas is a short first-person puzzle platforming game that transports you to the Gallery of Refined Gravity. Manipulate gravity and the gallery itself to prove yourself a pupil worthy of the Curator’s masterwork.
Gravitas has achieved a Player Score of 95, placing it in the #8 spot for the best Space games. Its score was calculated by analyzing a total of 6,850 reviews on Steam. This breaks down to a total of 6,713 positive reviews and 137 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is completely free to play and 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 | 8/24/2019 |
| Developer | Galaxy Shark Studios |
| Publisher | Galaxy Shark Studios |
| Steam App Id | 1067310 |
9. LEGO® Star Wars™ - The Complete Saga
Kick Some Brick in I through VI! Play through all six Star Wars movies in one videogame! Adding new characters, new levels, new features and for the first time ever, the chance to build and battle your way through a fun Star Wars galaxy on your PC!
LEGO® Star Wars™ - The Complete Saga has achieved a Player Score of 94, placing it in the #9 spot for the best Space games. Its score was calculated by analyzing a total of 23,710 reviews on Steam. This breaks down to a total of 22,925 positive reviews and 785 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $19.99 to play and can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $19.99 |
| Release Date | 11/12/2009 |
| Developer | Traveller's Tales |
| Publishers | |
| Steam App Id | 32440 |
10. Picayune Dreams
Picayune Dreams is a roguelike blend of bullet heaven horde survival, and bullet hell gameplay. Adrift across the endless void, you must fend off thousands of nightmarish and otherwordly creatures. Uncover a mysterious and surreal story. And don't forget. You mu [TRANSMISSION INTERRUPTED...]
Picayune Dreams has achieved a Player Score of 94, placing it in the #10 spot for the best Space games. Its score was calculated by analyzing a total of 3,134 reviews on Steam. This breaks down to a total of 3,094 positive reviews and 40 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $4.99 to play and can be played and ran on Windows systems. At the moment, it is possible to play Picayune Dreams on the Steam Deck (though some functionality may be limited).
| Steam Price | $4.99 |
| Release Date | 12/4/2023 |
| Franchise | 2 Left Thumbs |
| Developers | |
| Publisher | 2 Left Thumbs |
| Steam App Id | 2088840 |
More Space Games
Explore even more rankings for the 100 best Space games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 18,358 | 10/17/2018 | 97 | $27.99 | Steam Charts | |
| 4,751 | 5/13/2020 | 96 | $29.99 | Steam Charts | |
| 2,354 | 1/21/2021 | 96 | $19.99 | Steam Charts | |
| 1,575 | 5/26/2010 | 96 | $19.99 | Steam Charts | |
| 6,096 | 7/30/2019 | 95 | $24.99 | Steam Charts | |
| 323 | 8/15/2024 | 95 | $24.99 | Steam Charts | |
| 53 | 4/25/2024 | 95 | $2.99 | Steam Charts | |
| 1 | 8/24/2019 | 95 | Free | Steam Charts | |
| 172 | 11/12/2009 | 94 | $19.99 | Steam Charts | |
| 44 | 12/4/2023 | 94 | $4.99 | Steam Charts | |
 | 1,673 | 4/10/2024 | 94 | $23.99 | Steam Charts | |
 | 299 | 8/24/2015 | 94 | $20.09 | Steam Charts | |
 | 51 | 9/26/2024 | 94 | $12.99 | Steam Charts | |
 | 451 | 6/18/2020 | 94 | $24.99 | Steam Charts | |
 | 406 | 9/29/2011 | 94 | $2.59 | Steam Charts | |
 | 1,265 | 4/27/2015 | 94 | $9.99 | Steam Charts | |
 | 722 | 9/14/2012 | 94 | $9.99 | Steam Charts | |
 | 10 | 12/19/2021 | 94 | Free | Steam Charts | |
 | 1 | 6/9/2023 | 94 | Free | Steam Charts | |
 | 163 | 8/7/2007 | 93 | ??? | Steam Charts |
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Reviews 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. (2025, May 18). Steam Store. Steam Store.
- Valve Corporation. (2025, May 18). RimWorld on Steam. Steam Store.
- Valve Corporation. (2025, May 14). Deep Rock Galactic on Steam. Steam Store.
- Valve Corporation. (2025, May 14). Dyson Sphere Program on Steam. Steam Store.
- Valve Corporation. (2025, May 14). STAR WARS™ Empire at War - Gold Pack on Steam. Steam Store.
- Valve Corporation. (2025, May 18). Oxygen Not Included on Steam. Steam Store.
- Valve Corporation. (2025, May 15). shapez 2 on Steam. Steam Store.
- Valve Corporation. (2025, May 15). Aliya: Timelink on Steam. Steam Store.
- Valve Corporation. (2025, May 9). Gravitas on Steam. Steam Store.
- Valve Corporation. (2025, May 18). LEGO® Star Wars™ - The Complete Saga on Steam. Steam Store.
- Valve Corporation. (2025, May 15). Picayune Dreams on Steam. Steam Store.