Best Sci-fi Games on Steam (for Mac OS)

Steam currently has 10,628 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 10/30/2024.

Looking for more? Explore other lists such as:

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 banner

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 195,859 reviews on Steam. This breaks down to a total of 191,907 positive reviews and 3,952 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 banner

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 68,036 reviews on Steam. This breaks down to a total of 66,698 positive reviews and 1,338 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $8.99 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 $8.99
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 banner

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 145,971 reviews on Steam. This breaks down to a total of 141,995 positive reviews and 3,976 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $17.99 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 $17.99
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 banner

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 287,426 reviews on Steam. This breaks down to a total of 278,577 positive reviews and 8,849 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 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 banner

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 120,101 reviews on Steam. This breaks down to a total of 116,216 positive reviews and 3,885 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 banner

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 134,263 reviews on Steam. This breaks down to a total of 129,598 positive reviews and 4,665 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.

Steam Price $9.99
Release Date 11/19/1998
Franchise Half-Life
Developer Valve
Publisher Valve
Steam App Id 70

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 banner

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 119,501 reviews on Steam. This breaks down to a total of 115,255 positive reviews and 4,246 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. At the moment, it is possible to play Outlast on the Steam Deck (though some functionality may be limited).

Steam Price $2.99
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 banner

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 12,963 reviews on Steam. This breaks down to a total of 12,643 positive reviews and 320 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. 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 banner

LIZARDS MUST DIE 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 25,300 reviews on Steam. This breaks down to a total of 24,496 positive reviews and 804 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $1.99 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 $1.99
Release Date 9/27/2023
Franchise Agafonoff Official Group
Developers
Publishers
Steam App Id 2532550

10. 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 banner

METAL GEAR RISING: REVENGEANCE has achieved a Player Score of 94, placing it in the #10 spot for the best Mac OS Sci-fi games. Its score was calculated by analyzing a total of 78,815 reviews on Steam. This breaks down to a total of 75,687 positive reviews and 3,128 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

More Sci-fi Mac Games on Steam

Explore even more rankings for the 10 best Sci-fi games available on Steam.

ImageName
Actions
RimWorld steam charts
23,720
10/17/2018
97
$34.99
Steam Charts
Katana ZERO steam charts
173
4/18/2019
96
$8.99
Steam Charts
Stray steam charts
860
7/19/2022
96
$17.99
Steam Charts
Subnautica steam charts
7,669
1/24/2018
96
$14.99
Steam Charts
Oxygen Not Included steam charts
5,725
7/30/2019
95
$24.99
Steam Charts
Half-Life steam charts
935
11/19/1998
95
$9.99
Steam Charts
Outlast steam charts
1,014
9/4/2013
95
$2.99
Steam Charts
Gunpoint steam charts
8
6/3/2013
95
$9.99
Steam Charts
LIZARDS MUST DIE steam charts
11
9/27/2023
95
$1.99
Steam Charts
METAL GEAR RISING: REVENGEANCE steam charts
419
1/9/2014
94
$29.99
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. (2024, October 30). Steam Store. Steam Store.
  • Valve Corporation. (2024, October 30). RimWorld on Steam. Steam Store.
  • Valve Corporation. (2024, November 2). Katana ZERO on Steam. Steam Store.
  • Valve Corporation. (2024, October 28). Stray on Steam. Steam Store.
  • Valve Corporation. (2024, October 31). Subnautica on Steam. Steam Store.
  • Valve Corporation. (2024, November 2). Oxygen Not Included on Steam. Steam Store.
  • Valve Corporation. (2024, October 25). Half-Life on Steam. Steam Store.
  • Valve Corporation. (2024, October 28). Outlast on Steam. Steam Store.
  • Valve Corporation. (2024, October 16). Gunpoint on Steam. Steam Store.
  • Valve Corporation. (2024, October 17). LIZARDS MUST DIE on Steam. Steam Store.
  • Valve Corporation. (2024, October 30). METAL GEAR RISING: REVENGEANCE on Steam. Steam Store.

Explore

Discover the best of Steam. Find your next game, free weekend, or even track the next Steam Sale all in one spot.