Best Aliens Games on Steam (for Mac OS)
Steam currently has 3,284 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 3/24/2026.
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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 343,429 reviews on Steam. This breaks down to a total of 333,284 positive reviews and 10,145 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $9.89 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 | $9.89 |
| Release Date | 1/23/2018 |
| 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 159,045 reviews on Steam. This breaks down to a total of 153,493 positive reviews and 5,552 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $1.99 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 111,505 reviews on Steam. This breaks down to a total of 107,705 positive reviews and 3,800 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 5,485 reviews on Steam. This breaks down to a total of 5,378 positive reviews and 107 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 27,726 reviews on Steam. This breaks down to a total of 26,432 positive reviews and 1,294 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $1.24 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 | $1.24 |
| 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 6,135 reviews on Steam. This breaks down to a total of 5,914 positive reviews and 221 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 64,397 reviews on Steam. This breaks down to a total of 59,995 positive reviews and 4,402 negative reviews — making it "Very 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.
| Steam Price | $9.99 |
| 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 4,849 reviews on Steam. This breaks down to a total of 4,612 positive reviews and 237 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, it is possible to play Freedom Planet on the Steam Deck (though some functionality may be limited).
| 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 8,566 reviews on Steam. This breaks down to a total of 8,008 positive reviews and 558 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 20,344 reviews on Steam. This breaks down to a total of 18,837 positive reviews and 1,507 negative reviews — making it "Very Positive" on Steam.
It is priced at $1.24 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 | $1.24 |
| 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 | ||||
|---|---|---|---|---|---|---|
| 5,475 | 1/23/2018 | 96 | $9.89 | Steam Charts | |
| 915 | 11/19/1998 | 95 | $1.99 | Steam Charts | |
| 3,308 | 6/23/2023 | 95 | $4.99 | Steam Charts | |
| 31 | 11/16/2023 | 94 | $19.99 | Steam Charts | |
| 120 | 11/1/1999 | 93 | $1.24 | Steam Charts | |
| 2 | 1/22/2016 | 93 | $0.99 | Steam Charts | |
| 115 | 10/6/2014 | 92 | $9.99 | Steam Charts | |
| 11 | 7/21/2014 | 92 | $14.99 | Steam Charts | |
| 32 | 3/27/2015 | 91 | Free | Steam Charts | |
| 57 | 6/1/2001 | 90 | $1.24 | 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, March 24). Steam Store. Steam Store.
- Valve Corporation. (2026, March 24). Subnautica on Steam. Steam Store.
- Valve Corporation. (2026, March 20). Half-Life on Steam. Steam Store.
- Valve Corporation. (2026, March 26). Brotato on Steam. Steam Store.
- Valve Corporation. (2026, March 11). Loddlenaut on Steam. Steam Store.
- Valve Corporation. (2026, March 20). Half-Life: Opposing Force on Steam. Steam Store.
- Valve Corporation. (2026, March 26). Bit Blaster XL on Steam. Steam Store.
- Valve Corporation. (2026, March 14). Alien: Isolation on Steam. Steam Store.
- Valve Corporation. (2026, March 2). Freedom Planet on Steam. Steam Store.
- Valve Corporation. (2025, December 18). Half-Life 2: Update on Steam. Steam Store.
- Valve Corporation. (2026, March 20). Half-Life: Blue Shift on Steam. Steam Store.