Best Sci-fi Games on Steam (for Mac OS)
Steam currently has 11,372 Sci-fi 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. Sci-fi game rankings were last updated on 2/13/2025.
Looking for more? Explore other lists such as:
- Best sci-fi games on Steam
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1. RimWorld
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
RimWorld holds the #1 spot for "best Mac OS Sci-fi game on Steam" with a Player Score of 97. Its score was calculated by analyzing a total of 203,676 reviews on Steam. This breaks down to a total of 199,552 positive reviews and 4,124 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $34.99 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 | $34.99 |
| Release Date | 10/17/2018 |
| Developer | Ludeon Studios |
| Publisher | Ludeon Studios |
| Steam App Id | 294100 |
2. Katana ZERO
Katana ZERO is a stylish neo-noir, action-platformer featuring breakneck action and instant-death combat. Slash, dash, and manipulate time to unravel your past in a beautifully brutal acrobatic display.
Katana ZERO has achieved a Player Score of 96, placing it in the #2 spot for the best Mac OS Sci-fi games. Its score was calculated by analyzing a total of 69,528 reviews on Steam. This breaks down to a total of 68,164 positive reviews and 1,364 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $14.99 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 | $14.99 |
| Release Date | 4/18/2019 |
| Developer | Askiisoft |
| Publisher | Devolver Digital |
| Steam App Id | 460950 |
3. Stray
Lost, alone and separated from family, a stray cat must untangle an ancient mystery to escape a long-forgotten cybercity and find their way home.
Stray has achieved a Player Score of 96, placing it in the #3 spot for the best Mac OS Sci-fi games. Its score was calculated by analyzing a total of 151,877 reviews on Steam. This breaks down to a total of 147,732 positive reviews and 4,145 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 | 7/19/2022 |
| Franchise | Annapurna Interactive |
| Developer | BlueTwelve Studio |
| Publisher | Annapurna Interactive |
| Steam App Id | 1332010 |
4. 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 #4 spot for the best Mac OS Sci-fi games. Its score was calculated by analyzing a total of 303,890 reviews on Steam. This breaks down to a total of 294,791 positive reviews and 9,099 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 |
5. Oxygen Not Included
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
Oxygen Not Included has achieved a Player Score of 95, placing it in the #5 spot for the best Mac OS Sci-fi games. Its score was calculated by analyzing a total of 125,500 reviews on Steam. This breaks down to a total of 121,434 positive reviews and 4,066 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $24.99 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 | $24.99 |
| Release Date | 7/30/2019 |
| Franchise | Klei |
| Developer | Klei Entertainment |
| Publisher | Klei Entertainment |
| Steam App Id | 457140 |
6. 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 #6 spot for the best Mac OS Sci-fi games. Its score was calculated by analyzing a total of 144,696 reviews on Steam. This breaks down to a total of 139,709 positive reviews and 4,987 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.
7. Outlast
Hell is an experiment you can't survive in Outlast, a first-person survival horror game developed by veterans of some of the biggest game franchises in history. As investigative journalist Miles Upshur, explore Mount Massive Asylum and try to survive long enough to discover its terrible secret... if you dare.
Outlast has achieved a Player Score of 95, placing it in the #7 spot for the best Mac OS Sci-fi games. Its score was calculated by analyzing a total of 123,465 reviews on Steam. This breaks down to a total of 119,087 positive reviews and 4,378 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $19.99 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Outlast on the Steam Deck (though some functionality may be limited).
| Steam Price | $19.99 |
| Release Date | 9/4/2013 |
| Franchise | Red Barrels |
| Developer | Red Barrels |
| Publisher | Red Barrels |
| Steam App Id | 238320 |
8. Gunpoint
Gunpoint is a stealth puzzle game that lets you rewire its levels to trick people. You play a freelance spy who takes jobs from his clients to break into high security buildings and steal sensitive data.
Gunpoint has achieved a Player Score of 95, placing it in the #8 spot for the best Mac OS Sci-fi games. Its score was calculated by analyzing a total of 13,020 reviews on Steam. This breaks down to a total of 12,701 positive reviews and 319 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. At the moment, it is possible to play Gunpoint on the Steam Deck (though some functionality may be limited).
| Steam Price | $9.99 |
| Release Date | 6/3/2013 |
| Franchise | Suspicious Developments |
| Developer | Suspicious Developments |
| Publisher | Suspicious Developments |
| Steam App Id | 206190 |
9. METAL GEAR RISING: REVENGEANCE
Developed by Kojima Productions and PlatinumGames, METAL GEAR RISING: REVENGEANCE takes the renowned METAL GEAR franchise into exciting new territory with an all-new action experience. The game seamlessly melds pure action and epic story-telling that surrounds Raiden – a child soldier transformed into a half-human, half-cyborg ninja who...
METAL GEAR RISING: REVENGEANCE has achieved a Player Score of 95, placing it in the #9 spot for the best Mac OS Sci-fi games. Its score was calculated by analyzing a total of 81,088 reviews on Steam. This breaks down to a total of 77,903 positive reviews and 3,185 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 | 1/9/2014 |
| Franchise | Metal Gear |
| Developer | PlatinumGames |
| Publishers | |
| Steam App Id | 235460 |
10. LIZARDS MUST DIE
The great exploits of the Ancient Rus in the war with the lizards. Immerse yourself in the world of Hyperborea and defeat hordes of Lizards and other unholy who encroached on holy places Ancestors. Choose a blessed hero and go save the world from the green plague.
LIZARDS MUST DIE has achieved a Player Score of 95, placing it in the #10 spot for the best Mac OS Sci-fi games. Its score was calculated by analyzing a total of 25,821 reviews on Steam. This breaks down to a total of 24,969 positive reviews and 852 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $1.34 to play and can be played and ran on both Windows and Mac systems. At the moment, it is possible to play LIZARDS MUST DIE on the Steam Deck (though some functionality may be limited).
| Steam Price | $1.34 |
| Release Date | 9/27/2023 |
| Franchise | Agafonoff |
| Developers | |
| Publishers | |
| Steam App Id | 2532550 |
More Sci-fi Mac Games on Steam
Explore even more rankings for the 10 best Sci-fi games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 19,329 | 10/17/2018 | 97 | $34.99 | Steam Charts | |
| 69 | 4/18/2019 | 96 | $14.99 | Steam Charts | |
| 242 | 7/19/2022 | 96 | $29.99 | Steam Charts | |
| 2,931 | 1/24/2018 | 96 | $29.99 | Steam Charts | |
| 6,762 | 7/30/2019 | 95 | $24.99 | Steam Charts | |
| 480 | 11/19/1998 | 95 | $9.99 | Steam Charts | |
| 170 | 9/4/2013 | 95 | $19.99 | Steam Charts | |
| 3 | 6/3/2013 | 95 | $9.99 | Steam Charts | |
| 219 | 1/9/2014 | 95 | $29.99 | Steam Charts | |
| 10 | 9/27/2023 | 95 | $1.34 | 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, February 13). Steam Store. Steam Store.
- Valve Corporation. (2025, February 13). RimWorld on Steam. Steam Store.
- Valve Corporation. (2025, February 7). Katana ZERO on Steam. Steam Store.
- Valve Corporation. (2025, January 26). Stray on Steam. Steam Store.
- Valve Corporation. (2025, February 3). Subnautica on Steam. Steam Store.
- Valve Corporation. (2025, February 13). Oxygen Not Included on Steam. Steam Store.
- Valve Corporation. (2025, February 5). Half-Life on Steam. Steam Store.
- Valve Corporation. (2025, February 2). Outlast on Steam. Steam Store.
- Valve Corporation. (2025, February 7). Gunpoint on Steam. Steam Store.
- Valve Corporation. (2025, February 9). METAL GEAR RISING: REVENGEANCE on Steam. Steam Store.
- Valve Corporation. (2025, February 7). LIZARDS MUST DIE on Steam. Steam Store.