Best Aliens Games on Steam (for Mac OS)
Steam currently has 2,070 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 5/18/2024.
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1. Half-Life 2
1998. HALF-LIFE sends a shock through the game industry with its combination of pounding action and continuous, immersive storytelling. Valve's debut title wins more than 50 game-of-the-year awards on its way to being named "Best PC Game Ever" by PC Gamer, and launches a franchise with more than eight million retail units sold worldwide.
Half-Life 2 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 191,786 reviews on Steam. This breaks down to a total of 187,220 positive reviews and 4,566 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.
2. 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 has achieved a Player Score of 96, placing it in the #2 spot for the best Mac OS Aliens games. Its score was calculated by analyzing a total of 269,387 reviews on Steam. This breaks down to a total of 260,848 positive reviews and 8,539 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 |
| Publisher | Unknown Worlds Entertainment |
| Steam App Id | 264710 |
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 Mac OS Aliens games. Its score was calculated by analyzing a total of 126,512 reviews on Steam. This breaks down to a total of 122,200 positive reviews and 4,312 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 Mac OS Aliens games. Its score was calculated by analyzing a total of 39,616 reviews on Steam. This breaks down to a total of 38,455 positive reviews and 1,161 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $7.99 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.
5. 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 #5 spot for the best Mac OS Aliens games. Its score was calculated by analyzing a total of 29,807 reviews on Steam. This breaks down to a total of 28,534 positive reviews and 1,273 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $7.99 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Half-Life 2: Episode One on the Steam Deck (though some functionality may be limited).
6. 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 #6 spot for the best Mac OS Aliens games. Its score was calculated by analyzing a total of 22,076 reviews on Steam. This breaks down to a total of 21,016 positive reviews and 1,060 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 |
7. 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 92, placing it in the #7 spot for the best Mac OS Aliens games. Its score was calculated by analyzing a total of 1,743 reviews on Steam. This breaks down to a total of 1,697 positive reviews and 46 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 |
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 4,605 reviews on Steam. This breaks down to a total of 4,385 positive reviews and 220 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. 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 91, placing it in the #9 spot for the best Mac OS Aliens games. Its score was calculated by analyzing a total of 54,406 reviews on Steam. This breaks down to a total of 50,596 positive reviews and 3,810 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 |
10. 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 #10 spot for the best Mac OS Aliens games. Its score was calculated by analyzing a total of 7,421 reviews on Steam. This breaks down to a total of 6,949 positive reviews and 472 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 |
More Aliens Mac Games on Steam
Explore even more rankings for the 10 best Aliens games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
 | 591 | 11/16/2004 | 96 | $9.99 | Steam Charts | |
 | 2,428 | 1/24/2018 | 96 | $29.99 | Steam Charts | |
 | 668 | 11/19/1998 | 95 | $9.99 | Steam Charts | |
 | 102 | 10/10/2007 | 95 | $7.99 | Steam Charts | |
 | 108 | 6/1/2006 | 94 | $7.99 | Steam Charts | |
 | 69 | 11/1/1999 | 93 | $4.99 | Steam Charts | |
 | 73 | 11/16/2023 | 92 | $19.99 | Steam Charts | |
 | 11 | 7/21/2014 | 92 | $14.99 | Steam Charts | |
 | 250 | 10/6/2014 | 91 | $39.99 | Steam Charts | |
 | 28 | 3/27/2015 | 91 | Free | 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. (2024, May 18). Steam Store. Steam Store.
- Valve Corporation. (2024, May 18). Half-Life 2 on Steam. Steam Store.
- Valve Corporation. (2024, May 19). Subnautica on Steam. Steam Store.
- Valve Corporation. (2024, May 18). Half-Life on Steam. Steam Store.
- Valve Corporation. (2024, May 18). Half-Life 2: Episode Two on Steam. Steam Store.
- Valve Corporation. (2024, May 18). Half-Life 2: Episode One on Steam. Steam Store.
- Valve Corporation. (2024, May 18). Half-Life: Opposing Force on Steam. Steam Store.
- Valve Corporation. (2024, May 18). Loddlenaut on Steam. Steam Store.
- Valve Corporation. (2024, March 23). Freedom Planet on Steam. Steam Store.
- Valve Corporation. (2024, May 19). Alien: Isolation on Steam. Steam Store.
- Valve Corporation. (2024, March 12). Half-Life 2: Update on Steam. Steam Store.