Best Aliens Linux Games on Steam
Steam currently has 2,590 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 2/19/2025.
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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 236,817 reviews on Steam. This breaks down to a total of 231,104 positive reviews and 5,713 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 27,547 reviews on Steam. This breaks down to a total of 27,075 positive reviews and 472 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 144,933 reviews on Steam. This breaks down to a total of 139,930 positive reviews and 5,003 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 41,936 reviews on Steam. This breaks down to a total of 40,699 positive reviews and 1,237 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 122,532 reviews on Steam. This breaks down to a total of 116,737 positive reviews and 5,795 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 31,940 reviews on Steam. This breaks down to a total of 30,592 positive reviews and 1,348 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 1,307 reviews on Steam. This breaks down to a total of 1,297 positive reviews and 10 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 24,856 reviews on Steam. This breaks down to a total of 23,681 positive reviews and 1,175 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 55,949 reviews on Steam. This breaks down to a total of 52,277 positive reviews and 3,672 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 59,579 reviews on Steam. This breaks down to a total of 55,523 positive reviews and 4,056 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 | ||||
|---|---|---|---|---|---|---|
| 2,769 | 11/16/2004 | 96 | $9.99 | Steam Charts | |
| 87 | 8/20/2022 | 96 | Free | Steam Charts | |
| 728 | 11/19/1998 | 95 | $9.99 | Steam Charts | |
| 20 | 10/10/2007 | 95 | ??? | Steam Charts | |
| 546 | 3/6/2020 | 94 | $19.99 | Steam Charts | |
| 23 | 6/1/2006 | 94 | ??? | Steam Charts | |
| 1 | 6/9/2023 | 94 | Free | Steam Charts | |
| 88 | 11/1/1999 | 93 | $4.99 | Steam Charts | |
| 595 | 10/11/2012 | 92 | $29.99 | Steam Charts | |
| 151 | 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, February 19). Steam Store. Steam Store.
- Valve Corporation. (2025, February 19). Half-Life 2 on Steam. Steam Store.
- Valve Corporation. (2025, January 25). Entropy : Zero 2 on Steam. Steam Store.
- Valve Corporation. (2025, February 19). Half-Life on Steam. Steam Store.
- Valve Corporation. (2025, February 19). Half-Life 2: Episode Two on Steam. Steam Store.
- Valve Corporation. (2025, January 22). Black Mesa on Steam. Steam Store.
- Valve Corporation. (2025, February 19). 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, February 19). Half-Life: Opposing Force on Steam. Steam Store.
- Valve Corporation. (2025, February 21). XCOM: Enemy Unknown on Steam. Steam Store.
- Valve Corporation. (2025, January 30). Alien: Isolation on Steam. Steam Store.