Best Sci-fi Linux Games on Steam
Steam currently has 12,763 Sci-fi games, but not all of them are able to be played on Linux builds. 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. Sci-fi game rankings were last updated on 8/6/2025.
Looking for more? Explore other lists such as:
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1. Portal 2
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
Portal 2 holds the #1 spot for "best Linux Sci-fi game on Steam" with a Player Score of 98. Its score was calculated by analyzing a total of 440,529 reviews on Steam. This breaks down to a total of 434,768 positive reviews and 5,761 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $9.99 to play and can be played and ran on both Windows and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
2. Portal
Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
Portal has achieved a Player Score of 97, placing it in the #2 spot for the best Linux Sci-fi games. Its score was calculated by analyzing a total of 181,782 reviews on Steam. This breaks down to a total of 179,020 positive reviews and 2,762 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $9.99 to play and can be played and ran on both Windows and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
3. 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 has achieved a Player Score of 97, placing it in the #3 spot for the best Linux Sci-fi games. Its score was calculated by analyzing a total of 219,498 reviews on Steam. This breaks down to a total of 214,913 positive reviews and 4,585 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $34.99 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 | $34.99 |
| Release Date | 10/17/2018 |
| Developer | Ludeon Studios |
| Publisher | Ludeon Studios |
| Steam App Id | 294100 |
4. Half-Life 2
Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat.
Half-Life 2 has achieved a Player Score of 96, placing it in the #4 spot for the best Linux Sci-fi games. Its score was calculated by analyzing a total of 251,845 reviews on Steam. This breaks down to a total of 245,791 positive reviews and 6,054 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $9.99 to play and can be played and ran on both Windows and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
5. Entropy : Zero 2
Bad Cop is back. Command a small army of Combine synths and soldiers on a Northern campaign to capture Dr. Judith Mossman. A modification for Half-Life 2.
Entropy : Zero 2 has achieved a Player Score of 96, placing it in the #5 spot for the best Linux Sci-fi games. Its score was calculated by analyzing a total of 29,298 reviews on Steam. This breaks down to a total of 28,809 positive reviews and 489 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is completely free to play and can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Entropy : Zero 2 on the Steam Deck (though some functionality may be limited).
6. 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 #6 spot for the best Linux Sci-fi games. Its score was calculated by analyzing a total of 131,644 reviews on Steam. This breaks down to a total of 127,376 positive reviews and 4,268 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 |
7. VA-11 Hall-A: Cyberpunk Bartender Action
VA-11 HALL-A: Cyberpunk Bartender Action is a booze em' up about waifus, technology, and post-dystopia life.
VA-11 Hall-A: Cyberpunk Bartender Action has achieved a Player Score of 95, placing it in the #7 spot for the best Linux Sci-fi games. Its score was calculated by analyzing a total of 36,927 reviews on Steam. This breaks down to a total of 35,971 positive reviews and 956 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $14.99 to play and can be played and ran on both Windows and Linux systems. At the moment, it is possible to play VA-11 Hall-A: Cyberpunk Bartender Action on the Steam Deck (though some functionality may be limited).
| Steam Price | $14.99 |
| Release Date | 6/21/2016 |
| Franchise | Ysbryd Games |
| Developer | Sukeban Games |
| Publishers | |
| Steam App Id | 447530 |
8. Half-Life
Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
Half-Life has achieved a Player Score of 95, placing it in the #8 spot for the best Linux Sci-fi games. Its score was calculated by analyzing a total of 150,781 reviews on Steam. This breaks down to a total of 145,544 positive reviews and 5,237 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $9.99 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.
9. Half-Life 2: Episode Two
Half-Life® 2: Episode Two is the second in a trilogy of new games created by Valve that extends the award-winning and best-selling Half-Life® adventure. As Dr. Gordon Freeman, you were last seen exiting City 17 with Alyx Vance as the Citadel erupted amidst a storm of unknown proportions.
Half-Life 2: Episode Two has achieved a Player Score of 95, placing it in the #9 spot for the best Linux Sci-fi games. Its score was calculated by analyzing a total of 41,644 reviews on Steam. This breaks down to a total of 40,430 positive reviews and 1,214 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $0.00 to play and can be played and ran on both Windows and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
10. Outlast
Hell is an experiment you can't survive in Outlast, a first-person survival horror game developed by veterans of some of the biggest game franchises in history. As investigative journalist Miles Upshur, explore Mount Massive Asylum and try to survive long enough to discover its terrible secret... if you dare.
Outlast has achieved a Player Score of 95, placing it in the #10 spot for the best Linux Sci-fi games. Its score was calculated by analyzing a total of 127,643 reviews on Steam. This breaks down to a total of 123,109 positive reviews and 4,534 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $14.99 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Outlast on the Steam Deck (though some functionality may be limited).
| Steam Price | $14.99 |
| Release Date | 9/4/2013 |
| Franchise | Red Barrels |
| Developer | Red Barrels |
| Publisher | Red Barrels |
| Steam App Id | 238320 |
More Sci-fi Linux Games on Steam
Explore even more rankings for the 10 best Sci-fi games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,670 | 4/18/2011 | 98 | $9.99 | Steam Charts | |
| 454 | 10/10/2007 | 97 | $9.99 | Steam Charts | |
| 36,305 | 10/17/2018 | 97 | $34.99 | Steam Charts | |
| 1,611 | 11/16/2004 | 96 | $9.99 | Steam Charts | |
| 132 | 8/20/2022 | 96 | Free | Steam Charts | |
| 5,494 | 7/30/2019 | 95 | $24.99 | Steam Charts | |
| 66 | 6/21/2016 | 95 | $14.99 | Steam Charts | |
| 789 | 11/19/1998 | 95 | $9.99 | Steam Charts | |
| 23 | 10/10/2007 | 95 | ??? | Steam Charts | |
| 388 | 9/4/2013 | 95 | $14.99 | 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, August 6). Steam Store. Steam Store.
- Valve Corporation. (2025, August 6). Portal 2 on Steam. Steam Store.
- Valve Corporation. (2025, August 3). Portal on Steam. Steam Store.
- Valve Corporation. (2025, August 25). RimWorld on Steam. Steam Store.
- Valve Corporation. (2025, August 14). Half-Life 2 on Steam. Steam Store.
- Valve Corporation. (2025, August 20). Entropy : Zero 2 on Steam. Steam Store.
- Valve Corporation. (2025, August 25). Oxygen Not Included on Steam. Steam Store.
- Valve Corporation. (2025, August 23). VA-11 Hall-A: Cyberpunk Bartender Action on Steam. Steam Store.
- Valve Corporation. (2025, August 25). Half-Life on Steam. Steam Store.
- Valve Corporation. (2025, July 17). Half-Life 2: Episode Two on Steam. Steam Store.
- Valve Corporation. (2025, August 25). Outlast on Steam. Steam Store.