Best Aliens Linux Games on Steam
Steam currently has 2,649 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 3/21/2025.
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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 240,147 reviews on Steam. This breaks down to a total of 234,389 positive reviews and 5,758 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 27,885 reviews on Steam. This breaks down to a total of 27,407 positive reviews and 478 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 146,203 reviews on Steam. This breaks down to a total of 141,153 positive reviews and 5,050 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 41,886 reviews on Steam. This breaks down to a total of 40,654 positive reviews and 1,232 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 123,723 reviews on Steam. This breaks down to a total of 117,859 positive reviews and 5,864 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. At the moment, it is possible to play Black Mesa on the Steam Deck (though some functionality may be limited).
| Steam Price | $9.99 |
| 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 31,895 reviews on Steam. This breaks down to a total of 30,547 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 1,339 reviews on Steam. This breaks down to a total of 1,328 positive reviews and 11 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 25,105 reviews on Steam. This breaks down to a total of 23,926 positive reviews and 1,179 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. Bit Blaster XL
Bit Blaster XL is a fast-paced, retro arcade shoot 'em up (shmup) inspired by the classic quarter-munchers of the ‘80s. Easy to pick up, hard to put down—boost, dodge, shoot, and chase high scores in this addictive, old-school action game!
Bit Blaster XL has achieved a Player Score of 93, placing it in the #9 spot for the best Linux Aliens games. Its score was calculated by analyzing a total of 6,133 reviews on Steam. This breaks down to a total of 5,916 positive reviews and 217 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $0.99 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 | $0.99 |
| Release Date | 1/22/2016 |
| Developer | Adamvision Studios |
| Publisher | Adamvision Studios |
| Steam App Id | 433950 |
10. 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 #10 spot for the best Linux Aliens games. Its score was calculated by analyzing a total of 56,074 reviews on Steam. This breaks down to a total of 52,405 positive reviews and 3,669 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 |
More Aliens Linux Games on Steam
Explore even more rankings for the 10 best Aliens games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 3,122 | 11/16/2004 | 96 | $9.99 | Steam Charts | |
| 167 | 8/20/2022 | 96 | Free | Steam Charts | |
| 1,096 | 11/19/1998 | 95 | $9.99 | Steam Charts | |
| 23 | 10/10/2007 | 95 | ??? | Steam Charts | |
| 809 | 3/6/2020 | 94 | $9.99 | Steam Charts | |
| 24 | 6/1/2006 | 94 | ??? | Steam Charts | |
| 1 | 6/9/2023 | 94 | Free | Steam Charts | |
| 122 | 11/1/1999 | 93 | $4.99 | Steam Charts | |
| 2 | 1/22/2016 | 93 | $0.99 | Steam Charts | |
| 711 | 10/11/2012 | 92 | $29.99 | 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, March 21). Steam Store. Steam Store.
- Valve Corporation. (2025, March 21). Half-Life 2 on Steam. Steam Store.
- Valve Corporation. (2025, March 23). Entropy : Zero 2 on Steam. Steam Store.
- Valve Corporation. (2025, March 21). Half-Life on Steam. Steam Store.
- Valve Corporation. (2025, March 20). Half-Life 2: Episode Two on Steam. Steam Store.
- Valve Corporation. (2025, March 14). Black Mesa on Steam. Steam Store.
- Valve Corporation. (2025, March 20). Half-Life 2: Episode One on Steam. Steam Store.
- Valve Corporation. (2025, March 23). South Scrimshaw, Part One on Steam. Steam Store.
- Valve Corporation. (2025, March 21). Half-Life: Opposing Force on Steam. Steam Store.
- Valve Corporation. (2025, March 20). Bit Blaster XL on Steam. Steam Store.
- Valve Corporation. (2025, March 20). XCOM: Enemy Unknown on Steam. Steam Store.