Best Science Games on Steam (for Mac OS)

Steam currently has 1,283 Science 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. Science game rankings were last updated on 10/3/2025.

Looking for more? Explore other lists such as:

1. WolfQuest: Anniversary Edition

Live the life of a wild wolf in a realistic ecological simulation set in Yellowstone National Park.

WolfQuest: Anniversary Edition banner

WolfQuest: Anniversary Edition holds the #1 spot for "best Mac OS Science game on Steam" with a Player Score of 95. Its score was calculated by analyzing a total of 11,192 reviews on Steam. This breaks down to a total of 10,936 positive reviews and 256 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 7/22/2025
Developer eduweb
Publisher eduweb
Steam App Id 926990

2. Universe Sandbox

Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.

Universe Sandbox banner

Universe Sandbox has achieved a Player Score of 94, placing it in the #2 spot for the best Mac OS Science games. Its score was calculated by analyzing a total of 28,580 reviews on Steam. This breaks down to a total of 27,555 positive reviews and 1,025 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $20.09 to play and can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Universe Sandbox on the Steam Deck (though some functionality may be limited).

Steam Price $20.09
Release Date 8/24/2015
Developer Giant Army
Publisher Giant Army
Steam App Id 230290

3. CATO: Buttered Cat

Puzzle platformer where you control both the cat and the toast, based on the famous "Buttered Cat Paradox". The game features 200+ levels, 70+ skins, plus boss fights and mini-games!

CATO: Buttered Cat banner

CATO: Buttered Cat has achieved a Player Score of 94, placing it in the #3 spot for the best Mac OS Science games. Its score was calculated by analyzing a total of 2,516 reviews on Steam. This breaks down to a total of 2,478 positive reviews and 38 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $8.79 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 $8.79
Release Date 9/6/2024
Franchise GCORES PUBLISHING
Developer Team Woll
Publisher GCORES PUBLISHING
Steam App Id 1999520

4. Kerbal Space Program

In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.

Kerbal Space Program banner

Kerbal Space Program has achieved a Player Score of 94, placing it in the #4 spot for the best Mac OS Science games. Its score was calculated by analyzing a total of 129,831 reviews on Steam. This breaks down to a total of 123,568 positive reviews and 6,263 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 Kerbal Space Program on the Steam Deck (though some functionality may be limited).

Steam Price $9.99
Release Date 4/27/2015
Franchise Private Division
Developer Squad
Publisher Private Division
Steam App Id 220200

5. Portal Reloaded

Portal Reloaded is a free, community made modification for Portal 2. The mod builds on the concepts of the main game by allowing you to place a third portal, which enables traveling between two different timelines. Thinking in four dimensions is vital to solving 25 brand new mind-bending puzzles.

Portal Reloaded banner

Portal Reloaded has achieved a Player Score of 94, placing it in the #5 spot for the best Mac OS Science games. Its score was calculated by analyzing a total of 21,367 reviews on Steam. This breaks down to a total of 20,546 positive reviews and 821 negative reviews — making it "Overwhelmingly 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 Portal Reloaded on the Steam Deck (though some functionality may be limited).

Release Date 4/19/2021
Developer PORTANIS
Publisher PORTANIS
Steam App Id 1255980

6. Timberborn

Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.

Timberborn banner

Timberborn has achieved a Player Score of 94, placing it in the #6 spot for the best Mac OS Science games. Its score was calculated by analyzing a total of 33,220 reviews on Steam. This breaks down to a total of 31,839 positive reviews and 1,381 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $20.99 to play and can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Timberborn on the Steam Deck (though some functionality may be limited).

Steam Price $20.99
Release Date 9/15/2021
Developer Mechanistry
Publisher Mechanistry
Steam App Id 1062090

7. Portal Stories: Mel

Portal Stories: Mel is a community made, free modification for Portal 2 based in the Portal universe. It tells the story of Mel, who meets a new personality core and faces an undiscovered threat to the Aperture facility.

Portal Stories: Mel banner

Portal Stories: Mel has achieved a Player Score of 94, placing it in the #7 spot for the best Mac OS Science games. Its score was calculated by analyzing a total of 22,969 reviews on Steam. This breaks down to a total of 22,065 positive reviews and 904 negative reviews — making it "Overwhelmingly 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 Portal Stories: Mel on the Steam Deck (though some functionality may be limited).

Release Date 6/25/2015
Developer Prism Game Studios Ltd.
Publisher Prism Game Studios Ltd.
Steam App Id 317400

8. The Powder Toy

The Powder Toy is a classic physics sandbox game, which simulates air pressure and velocity, heat, gravity and a countless number of interactions between different substances

The Powder Toy banner

The Powder Toy has achieved a Player Score of 94, placing it in the #8 spot for the best Mac OS Science games. Its score was calculated by analyzing a total of 2,088 reviews on Steam. This breaks down to a total of 2,058 positive reviews and 30 negative reviews — making it "Overwhelmingly 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 The Powder Toy on the Steam Deck (though some functionality may be limited).

Release Date 6/14/2024
Developer The Powder Toy Team
Publisher The Powder Toy Team
Steam App Id 1148350

9. Besiege

Besiege is a physics building game about constructing mechanical machines to annihilate armies, obliterate castles and overcome challenging obstacles. Conquer the campaign or skirmish with friends in Multiplayer!

Besiege banner

Besiege has achieved a Player Score of 94, placing it in the #9 spot for the best Mac OS Science games. Its score was calculated by analyzing a total of 51,171 reviews on Steam. This breaks down to a total of 48,768 positive reviews and 2,403 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $3.74 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Besiege on the Steam Deck (though some functionality may be limited).

Steam Price $3.74
Release Date 2/18/2020
Franchise Spiderling Studios
Developer Spiderling Studios
Publisher Spiderling Studios
Steam App Id 346010

10. The Talos Principle

The Talos Principle is a first-person puzzle game in the tradition of philosophical science fiction. Made by Croteam and written by Tom Jubert (FTL, The Swapper) and Jonas Kyratzes (The Sea Will Claim Everything).

The Talos Principle banner

The Talos Principle has achieved a Player Score of 93, placing it in the #10 spot for the best Mac OS Science games. Its score was calculated by analyzing a total of 32,190 reviews on Steam. This breaks down to a total of 30,707 positive reviews and 1,483 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $4.49 to play and can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play The Talos Principle on the Steam Deck (though some functionality may be limited).

Steam Price $4.49
Release Date 12/11/2014
Developer Croteam
Publishers
Steam App Id 257510

More Science Mac Games on Steam

Explore even more rankings for the 10 best Science games available on Steam.

ImageName
Actions
WolfQuest: Anniversary Edition steam charts
246
7/22/2025
95
$29.99
Steam Charts
Universe Sandbox steam charts
328
8/24/2015
94
$20.09
Steam Charts
CATO: Buttered Cat steam charts
16
9/6/2024
94
$8.79
Steam Charts
Kerbal Space Program steam charts
1,556
4/27/2015
94
$9.99
Steam Charts
Portal Reloaded steam charts
22
4/19/2021
94
Free
Steam Charts
Timberborn steam charts
2,166
9/15/2021
94
$20.99
Steam Charts
Portal Stories: Mel steam charts
21
6/25/2015
94
Free
Steam Charts
The Powder Toy steam charts
51
6/14/2024
94
Free
Steam Charts
Besiege steam charts
225
2/18/2020
94
$3.74
Steam Charts
The Talos Principle steam charts
104
12/11/2014
93
$4.49
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, October 3). Steam Store. Steam Store.
  • Valve Corporation. (2025, October 3). WolfQuest: Anniversary Edition on Steam. Steam Store.
  • Valve Corporation. (2025, October 6). Universe Sandbox on Steam. Steam Store.
  • Valve Corporation. (2025, October 4). CATO: Buttered Cat on Steam. Steam Store.
  • Valve Corporation. (2025, October 3). Kerbal Space Program on Steam. Steam Store.
  • Valve Corporation. (2025, October 2). Portal Reloaded on Steam. Steam Store.
  • Valve Corporation. (2025, October 3). Timberborn on Steam. Steam Store.
  • Valve Corporation. (2025, August 14). Portal Stories: Mel on Steam. Steam Store.
  • Valve Corporation. (2025, September 28). The Powder Toy on Steam. Steam Store.
  • Valve Corporation. (2025, September 29). Besiege on Steam. Steam Store.
  • Valve Corporation. (2025, September 29). The Talos Principle 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.