Best Aliens Games on Steam (for Mac OS)
Steam currently has 3,161 Aliens games, but not all of them are able to be played on Mac. 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 1/13/2026.
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1. Subnautica
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
Subnautica holds the #1 spot for "best Mac OS Aliens game on Steam" with a Player Score of 96. Its score was calculated by analyzing a total of 337,001 reviews on Steam. This breaks down to a total of 326,898 positive reviews and 10,103 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $29.99 to play and can be played and ran on both Windows and Mac systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $29.99 |
| Release Date | 1/24/2018 |
| Franchise | Unknown Worlds |
| Developer | Unknown Worlds Entertainment |
| Publishers | |
| Steam App Id | 264710 |
2. 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 #2 spot for the best Mac OS Aliens games. Its score was calculated by analyzing a total of 156,610 reviews on Steam. This breaks down to a total of 151,146 positive reviews and 5,464 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.
3. 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 #3 spot for the best Mac OS Aliens games. Its score was calculated by analyzing a total of 108,583 reviews on Steam. This breaks down to a total of 104,890 positive reviews and 3,693 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. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $4.99 |
| Release Date | 6/23/2023 |
| Franchise | Blobfish Games |
| Developer | Blobfish |
| Publisher | Blobfish |
| Steam App Id | 1942280 |
4. Loddlenaut
Play as an interstellar custodian sent to clean up a polluted ocean planet. Pick up trash, explore the vibrant waters, and take care of axolotl-like alien creatures!
Loddlenaut has achieved a Player Score of 94, placing it in the #4 spot for the best Mac OS Aliens games. Its score was calculated by analyzing a total of 5,272 reviews on Steam. This breaks down to a total of 5,169 positive reviews and 103 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 Mac systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Steam Price | $19.99 |
| Release Date | 11/16/2023 |
| Franchise | Secret Mode |
| Developer | Moon Lagoon |
| Publisher | Secret Mode |
| Steam App Id | 1644940 |
5. 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 #5 spot for the best Mac OS Aliens games. Its score was calculated by analyzing a total of 27,200 reviews on Steam. This breaks down to a total of 25,925 positive reviews and 1,275 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 |
6. 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 #6 spot for the best Mac OS Aliens games. Its score was calculated by analyzing a total of 6,147 reviews on Steam. This breaks down to a total of 5,927 positive reviews and 220 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 |
7. 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 #7 spot for the best Mac OS Aliens games. Its score was calculated by analyzing a total of 63,702 reviews on Steam. This breaks down to a total of 59,349 positive reviews and 4,353 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 |
8. Freedom Planet
Fight your way across the celestial world of Avalice where cats are green, motorcycles drive up walls and monster girls do most of the buttkicking! Freedom Planet is a cartoony, combat-based platform adventure that pits a spunky dragonoid and her friends against an alien attack force.
Freedom Planet has achieved a Player Score of 92, placing it in the #8 spot for the best Mac OS Aliens games. Its score was calculated by analyzing a total of 4,827 reviews on Steam. This breaks down to a total of 4,589 positive reviews and 238 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $14.99 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Steam Price | $14.99 |
| Release Date | 7/21/2014 |
| Developer | GalaxyTrail |
| Publisher | GalaxyTrail |
| Steam App Id | 248310 |
9. Half-Life 2: Update
A completely free and extensive community-developed update for Half-Life 2 featuring beautiful lighting, countless bug fixes, and a brand new Community Commentary Mode. With Half-Life 2: Update, there’s never been a better time to revisit City 17.
Half-Life 2: Update has achieved a Player Score of 91, placing it in the #9 spot for the best Mac OS Aliens games. Its score was calculated by analyzing a total of 8,461 reviews on Steam. This breaks down to a total of 7,907 positive reviews and 554 negative reviews — making it "Very Positive" on Steam.
It is completely free to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Half-Life 2: Update on the Steam Deck (though some functionality may be limited).
| Release Date | 3/27/2015 |
| Developers | |
| Publisher | Filip Victor |
| Steam App Id | 290930 |
10. Half-Life: Blue Shift
Made by Gearbox Software and originally released in 2001 as an add-on to Half-Life, Blue Shift is a return to the Black Mesa Research Facility in which you play as Barney Calhoun, the security guard sidekick who helped Gordon out of so many sticky situations.
Half-Life: Blue Shift has achieved a Player Score of 90, placing it in the #10 spot for the best Mac OS Aliens games. Its score was calculated by analyzing a total of 19,985 reviews on Steam. This breaks down to a total of 18,487 positive reviews and 1,498 negative reviews — making it "Very 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: Blue Shift on the Steam Deck (though some functionality may be limited).
| Steam Price | $4.99 |
| Release Date | 6/1/2001 |
| Franchise | Half-Life |
| Developer | Gearbox Software |
| Publisher | Valve |
| Steam App Id | 130 |
More Aliens Mac Games on Steam
Explore even more rankings for the 10 best Aliens games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 4,725 | 1/24/2018 | 96 | $29.99 | Steam Charts | |
| 1,047 | 11/19/1998 | 95 | $9.99 | Steam Charts | |
| 4,481 | 6/23/2023 | 95 | $4.99 | Steam Charts | |
| 23 | 11/16/2023 | 94 | $19.99 | Steam Charts | |
| 174 | 11/1/1999 | 93 | $4.99 | Steam Charts | |
| 1 | 1/22/2016 | 93 | $0.99 | Steam Charts | |
| 272 | 10/6/2014 | 92 | $39.99 | Steam Charts | |
| 3 | 7/21/2014 | 92 | $14.99 | Steam Charts | |
| 66 | 3/27/2015 | 91 | Free | Steam Charts | |
| 60 | 6/1/2001 | 90 | $4.99 | 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. (2026, January 13). Steam Store. Steam Store.
- Valve Corporation. (2026, January 13). Subnautica on Steam. Steam Store.
- Valve Corporation. (2026, January 11). Half-Life on Steam. Steam Store.
- Valve Corporation. (2026, January 16). Brotato on Steam. Steam Store.
- Valve Corporation. (2026, January 12). Loddlenaut on Steam. Steam Store.
- Valve Corporation. (2026, January 6). Half-Life: Opposing Force on Steam. Steam Store.
- Valve Corporation. (2026, January 13). Bit Blaster XL on Steam. Steam Store.
- Valve Corporation. (2025, November 12). Alien: Isolation on Steam. Steam Store.
- Valve Corporation. (2025, December 18). Freedom Planet on Steam. Steam Store.
- Valve Corporation. (2025, December 18). Half-Life 2: Update on Steam. Steam Store.
- Valve Corporation. (2026, January 6). Half-Life: Blue Shift on Steam. Steam Store.