Best Sci-fi Linux Games on Steam
Steam currently has 14,903 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 5/2/2026.
Looking for more? Explore other lists such as:
- Best sci-fi games on Steam
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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 459,020 reviews on Steam. This breaks down to a total of 453,070 positive reviews and 5,950 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 193,929 reviews on Steam. This breaks down to a total of 191,067 positive reviews and 2,862 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 238,833 reviews on Steam. This breaks down to a total of 233,785 positive reviews and 5,048 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 97, placing it in the #4 spot for the best Linux Sci-fi games. Its score was calculated by analyzing a total of 272,074 reviews on Steam. This breaks down to a total of 265,582 positive reviews and 6,492 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 31,307 reviews on Steam. This breaks down to a total of 30,764 positive reviews and 543 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. Rhythm Doctor
Save patients with your rhythm mastery! Rhythm Doctor is a rhythm game where you heal patients by defibrillating in time to their heartbeats. Learn each patient's unique heartbeat and defeat boss viruses trying to sabotage your rhythm, all set to heart-pumping, soul-soothing music.
Rhythm Doctor has achieved a Player Score of 96, placing it in the #6 spot for the best Linux Sci-fi games. Its score was calculated by analyzing a total of 26,212 reviews on Steam. This breaks down to a total of 25,740 positive reviews and 472 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $19.99 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 | $19.99 |
| Release Date | 12/6/2025 |
| Franchise | 7th Beat Games |
| Developer | 7th Beat Games |
| Publishers | |
| Steam App Id | 774181 |
7. 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 #7 spot for the best Linux Sci-fi games. Its score was calculated by analyzing a total of 140,095 reviews on Steam. This breaks down to a total of 135,588 positive reviews and 4,507 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 |
8. 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 #8 spot for the best Linux Sci-fi games. Its score was calculated by analyzing a total of 38,113 reviews on Steam. This breaks down to a total of 37,091 positive reviews and 1,022 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 |
9. 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 #9 spot for the best Linux Sci-fi games. Its score was calculated by analyzing a total of 160,388 reviews on Steam. This breaks down to a total of 154,788 positive reviews and 5,600 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.
10. Z.A.T.O. // I Love the World and Everything In It
USSR, 1986. A girl goes missing in the closed city of Vorkuta-5, yet not a soul seems to be concerned. Uncover the mystery behind her disappearance and transmit your signal to the universe.
Z.A.T.O. // I Love the World and Everything In It 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 8,903 reviews on Steam. This breaks down to a total of 8,754 positive reviews and 149 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is completely free 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.
| Release Date | 11/10/2025 |
| Developer | Ferry // Nopanamaman |
| Publisher | Ferry // Nopanamaman |
| Steam App Id | 4122860 |
More Sci-fi Linux Games on Steam
Explore even more rankings for the 10 best Sci-fi games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,379 | 4/18/2011 | 98 | $9.99 | Steam Charts | |
| 469 | 10/10/2007 | 97 | $9.99 | Steam Charts | |
| 20,915 | 10/17/2018 | 97 | $34.99 | Steam Charts | |
| 1,240 | 11/16/2004 | 97 | $9.99 | Steam Charts | |
| 46 | 8/20/2022 | 96 | Free | Steam Charts | |
| 112 | 12/6/2025 | 96 | $19.99 | Steam Charts | |
| 5,001 | 7/30/2019 | 95 | $24.99 | Steam Charts | |
| 67 | 6/21/2016 | 95 | $14.99 | Steam Charts | |
| 698 | 11/19/1998 | 95 | $9.99 | Steam Charts | |
| 107 | 11/10/2025 | 95 | Free | 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. (2026, May 2). Steam Store. Steam Store.
- Valve Corporation. (2026, May 2). Portal 2 on Steam. Steam Store.
- Valve Corporation. (2026, April 2). Portal on Steam. Steam Store.
- Valve Corporation. (2026, May 6). RimWorld on Steam. Steam Store.
- Valve Corporation. (2026, May 6). Half-Life 2 on Steam. Steam Store.
- Valve Corporation. (2026, May 8). Entropy : Zero 2 on Steam. Steam Store.
- Valve Corporation. (2026, April 26). Rhythm Doctor on Steam. Steam Store.
- Valve Corporation. (2026, May 11). Oxygen Not Included on Steam. Steam Store.
- Valve Corporation. (2026, May 2). VA-11 Hall-A: Cyberpunk Bartender Action on Steam. Steam Store.
- Valve Corporation. (2026, April 2). Half-Life on Steam. Steam Store.
- Valve Corporation. (2026, May 5). Z.A.T.O. // I Love the World and Everything In It on Steam. Steam Store.