Best Aliens Linux Games on Steam
Steam currently has 3,219 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 2/18/2026.
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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 97. Its score was calculated by analyzing a total of 266,669 reviews on Steam. This breaks down to a total of 260,313 positive reviews and 6,356 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 30,799 reviews on Steam. This breaks down to a total of 30,279 positive reviews and 520 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 157,902 reviews on Steam. This breaks down to a total of 152,406 positive reviews and 5,496 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 41,479 reviews on Steam. This breaks down to a total of 40,279 positive reviews and 1,200 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. Brotato
Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.
Brotato has achieved a Player Score of 95, placing it in the #5 spot for the best Linux Aliens games. Its score was calculated by analyzing a total of 109,776 reviews on Steam. This breaks down to a total of 106,041 positive reviews and 3,735 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $2.99 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 | $2.99 |
| Release Date | 6/23/2023 |
| Franchise | Blobfish Games |
| Developer | Blobfish |
| Publisher | Blobfish |
| Steam App Id | 1942280 |
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 31,532 reviews on Steam. This breaks down to a total of 30,214 positive reviews and 1,318 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. Black Mesa
Relive Half-Life.
Black Mesa 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 139,743 reviews on Steam. This breaks down to a total of 132,788 positive reviews and 6,955 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $3.99 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 | $3.99 |
| Release Date | 3/6/2020 |
| Developer | Crowbar Collective |
| Publisher | Crowbar Collective |
| Steam App Id | 362890 |
8. 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 #8 spot for the best Linux Aliens games. Its score was calculated by analyzing a total of 1,531 reviews on Steam. This breaks down to a total of 1,515 positive reviews and 16 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 |
9. 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 #9 spot for the best Linux Aliens games. Its score was calculated by analyzing a total of 27,459 reviews on Steam. This breaks down to a total of 26,181 positive reviews and 1,278 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 |
10. 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 #10 spot for the best Linux Aliens games. Its score was calculated by analyzing a total of 6,141 reviews on Steam. This breaks down to a total of 5,921 positive reviews and 220 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $0.54 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 | $0.54 |
| Release Date | 1/22/2016 |
| Developer | Adamvision Studios |
| Publisher | Adamvision Studios |
| Steam App Id | 433950 |
More Aliens Linux Games on Steam
Explore even more rankings for the 10 best Aliens games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,156 | 11/16/2004 | 97 | $9.99 | Steam Charts | |
| 50 | 8/20/2022 | 96 | Free | Steam Charts | |
| 422 | 11/19/1998 | 95 | $9.99 | Steam Charts | |
| 22 | 10/10/2007 | 95 | ??? | Steam Charts | |
| 8,839 | 6/23/2023 | 95 | $2.99 | Steam Charts | |
| 10 | 6/1/2006 | 94 | ??? | Steam Charts | |
| 525 | 3/6/2020 | 94 | $3.99 | Steam Charts | |
| 1 | 6/9/2023 | 94 | Free | Steam Charts | |
| 54 | 11/1/1999 | 93 | $4.99 | Steam Charts | |
| 3 | 1/22/2016 | 93 | $0.54 | 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, February 18). Steam Store. Steam Store.
- Valve Corporation. (2026, February 18). Half-Life 2 on Steam. Steam Store.
- Valve Corporation. (2026, January 22). Entropy : Zero 2 on Steam. Steam Store.
- Valve Corporation. (2026, January 26). Half-Life on Steam. Steam Store.
- Valve Corporation. (2026, January 6). Half-Life 2: Episode Two on Steam. Steam Store.
- Valve Corporation. (2026, February 17). Brotato on Steam. Steam Store.
- Valve Corporation. (2026, January 6). Half-Life 2: Episode One on Steam. Steam Store.
- Valve Corporation. (2026, February 12). Black Mesa on Steam. Steam Store.
- Valve Corporation. (2026, January 6). South Scrimshaw, Part One on Steam. Steam Store.
- Valve Corporation. (2026, January 6). Half-Life: Opposing Force on Steam. Steam Store.
- Valve Corporation. (2026, February 17). Bit Blaster XL on Steam. Steam Store.