Best Aliens Linux Games on Steam
Steam currently has 2,534 Aliens 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. Aliens game rankings were last updated on 1/7/2025.
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1. 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 holds the #1 spot for "best Linux Aliens game on Steam" with a Player Score of 96. Its score was calculated by analyzing a total of 232,687 reviews on Steam. This breaks down to a total of 227,088 positive reviews and 5,599 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. 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 #2 spot for the best Linux Aliens games. Its score was calculated by analyzing a total of 27,046 reviews on Steam. This breaks down to a total of 26,583 positive reviews and 463 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).
3. 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 #3 spot for the best Linux Aliens games. Its score was calculated by analyzing a total of 143,540 reviews on Steam. This breaks down to a total of 138,603 positive reviews and 4,937 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.
4. 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 #4 spot for the best Linux Aliens games. Its score was calculated by analyzing a total of 41,981 reviews on Steam. This breaks down to a total of 40,741 positive reviews and 1,240 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.
5. Black Mesa
Relive Half-Life.
Black Mesa has achieved a Player Score of 94, placing it in the #5 spot for the best Linux Aliens games. Its score was calculated by analyzing a total of 121,594 reviews on Steam. This breaks down to a total of 115,834 positive reviews and 5,760 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $19.99 to play and can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Black Mesa on the Steam Deck (though some functionality may be limited).
| Steam Price | $19.99 |
| Release Date | 3/6/2020 |
| Developer | Crowbar Collective |
| Publisher | Crowbar Collective |
| Steam App Id | 362890 |
6. Half-Life 2: Episode One
Half-Life 2 has sold over 4 million copies worldwide, and earned over 35 Game of the Year Awards. Episode One is the first in a series of games that reveal the aftermath of Half-Life 2 and launch a journey beyond City 17. Also features two multiplayer games. Half-Life 2 not required.
Half-Life 2: Episode One has achieved a Player Score of 94, placing it in the #6 spot for the best Linux Aliens games. Its score was calculated by analyzing a total of 31,986 reviews on Steam. This breaks down to a total of 30,634 positive reviews and 1,352 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. At the moment, it is possible to play Half-Life 2: Episode One on the Steam Deck (though some functionality may be limited).
7. South Scrimshaw, Part One
South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.
South Scrimshaw, Part One has achieved a Player Score of 94, placing it in the #7 spot for the best Linux Aliens games. Its score was calculated by analyzing a total of 1,281 reviews on Steam. This breaks down to a total of 1,272 positive reviews and 9 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 South Scrimshaw, Part One on the Steam Deck (though some functionality may be limited).
| Release Date | 6/9/2023 |
| Developer | Nathan O. Marsh |
| Publisher | Nathan O. Marsh |
| Steam App Id | 2443110 |
8. Half-Life: Opposing Force
Return to the Black Mesa Research Facility as one of the military specialists assigned to eliminate Gordon Freeman. Experience an entirely new episode of single player action. Meet fierce alien opponents, and experiment with new weaponry. Named 'Game of the Year' by the Academy of Interactive Arts and Sciences.
Half-Life: Opposing Force has achieved a Player Score of 93, placing it in the #8 spot for the best Linux Aliens games. Its score was calculated by analyzing a total of 24,581 reviews on Steam. This breaks down to a total of 23,422 positive reviews and 1,159 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $4.99 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Half-Life: Opposing Force on the Steam Deck (though some functionality may be limited).
| Steam Price | $4.99 |
| Release Date | 11/1/1999 |
| Franchise | Half-Life |
| Developer | Gearbox Software |
| Publisher | Valve |
| Steam App Id | 50 |
9. XCOM: Enemy Unknown
The XCOM: Enemy Unknown - Slingshot Pack is Now Available!
XCOM: Enemy Unknown has achieved a Player Score of 92, placing it in the #9 spot for the best Linux Aliens games. Its score was calculated by analyzing a total of 55,726 reviews on Steam. This breaks down to a total of 52,110 positive reviews and 3,616 negative reviews — making it "Very Positive" on Steam.
It is priced at $29.99 to play and can be played and ran on both Windows and Linux systems. At the moment, it is possible to play XCOM: Enemy Unknown on the Steam Deck (though some functionality may be limited).
| Steam Price | $29.99 |
| Release Date | 10/11/2012 |
| Franchise | XCOM Franchise |
| Developers | |
| Publishers | |
| Steam App Id | 200510 |
10. Alien: Isolation
Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger.
Alien: Isolation has achieved a Player Score of 92, placing it in the #10 spot for the best Linux Aliens games. Its score was calculated by analyzing a total of 59,110 reviews on Steam. This breaks down to a total of 55,088 positive reviews and 4,022 negative reviews — making it "Very Positive" on Steam.
It is priced at $39.99 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 | $39.99 |
| Release Date | 10/6/2014 |
| Developers | |
| Publishers | |
| Steam App Id | 214490 |
More Aliens Linux Games on Steam
Explore even more rankings for the 10 best Aliens games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 3,267 | 11/16/2004 | 96 | $9.99 | Steam Charts | |
| 125 | 8/20/2022 | 96 | Free | Steam Charts | |
| 984 | 11/19/1998 | 95 | $9.99 | Steam Charts | |
| 18 | 10/10/2007 | 95 | ??? | Steam Charts | |
| 606 | 3/6/2020 | 94 | $19.99 | Steam Charts | |
| 20 | 6/1/2006 | 94 | ??? | Steam Charts | |
| 1 | 6/9/2023 | 94 | Free | Steam Charts | |
| 114 | 11/1/1999 | 93 | $4.99 | Steam Charts | |
| 412 | 10/11/2012 | 92 | $29.99 | Steam Charts | |
| 185 | 10/6/2014 | 92 | $39.99 | 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, January 7). Steam Store. Steam Store.
- Valve Corporation. (2025, January 7). Half-Life 2 on Steam. Steam Store.
- Valve Corporation. (2025, January 11). Entropy : Zero 2 on Steam. Steam Store.
- Valve Corporation. (2025, January 14). Half-Life on Steam. Steam Store.
- Valve Corporation. (2025, January 3). Half-Life 2: Episode Two on Steam. Steam Store.
- Valve Corporation. (2025, January 16). Black Mesa on Steam. Steam Store.
- Valve Corporation. (2025, January 3). Half-Life 2: Episode One on Steam. Steam Store.
- Valve Corporation. (2024, December 14). South Scrimshaw, Part One on Steam. Steam Store.
- Valve Corporation. (2025, January 3). Half-Life: Opposing Force on Steam. Steam Store.
- Valve Corporation. (2025, January 2). XCOM: Enemy Unknown on Steam. Steam Store.
- Valve Corporation. (2025, January 9). Alien: Isolation on Steam. Steam Store.