Best Science Games on Steam (for Mac OS)
Steam currently has 1,450 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 4/30/2026.
Looking for more? Explore other lists such as:
- Best science games on Steam
- Best science Steam Deck games
- Best science Linux games on Steam
- Free science games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. WolfQuest: Anniversary Edition
Live the life of a wild wolf in a realistic ecological simulation set in Yellowstone National Park.
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 12,669 reviews on Steam. This breaks down to a total of 12,358 positive reviews and 311 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.
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 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 30,987 reviews on Steam. This breaks down to a total of 29,894 positive reviews and 1,093 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. At the moment, it is possible to play Universe Sandbox on the Steam Deck (though some functionality may be limited).
| Steam Price | $29.99 |
| Release Date | 8/24/2015 |
| Developer | Giant Army |
| Publisher | Giant Army |
| Steam App Id | 230290 |
3. 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 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 137,020 reviews on Steam. This breaks down to a total of 130,696 positive reviews and 6,324 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $39.99 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 | $39.99 |
| Release Date | 4/27/2015 |
| Franchise | Private Division |
| Developer | Squad |
| Publisher | Private Division |
| Steam App Id | 220200 |
4. Timberborn
Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A sandbox city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.
Timberborn 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 39,043 reviews on Steam. This breaks down to a total of 37,471 positive reviews and 1,572 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $34.99 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 | $34.99 |
| Release Date | 3/12/2026 |
| Developer | Mechanistry |
| Publisher | Mechanistry |
| Steam App Id | 1062090 |
5. 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 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 2,886 reviews on Steam. This breaks down to a total of 2,841 positive reviews and 45 negative reviews — making it "Overwhelmingly Positive" on Steam.
It is priced at $10.99 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 | $10.99 |
| Release Date | 9/6/2024 |
| Franchise | GCORES PUBLISHING |
| Developer | Team Woll |
| Publisher | GCORES PUBLISHING |
| Steam App Id | 1999520 |
6. 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 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 23,500 reviews on Steam. This breaks down to a total of 22,566 positive reviews and 934 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 |
7. 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 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 21,837 reviews on Steam. This breaks down to a total of 20,970 positive reviews and 867 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).
8. Spaceflight Simulator
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
Spaceflight Simulator 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 8,510 reviews on Steam. This breaks down to a total of 8,224 positive reviews and 286 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. At the moment, it is possible to play Spaceflight Simulator on the Steam Deck (though some functionality may be limited).
| Steam Price | $14.99 |
| Release Date | 2/17/2022 |
| Developers | |
| Publishers | |
| Steam App Id | 1718870 |
9. 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 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 2,582 reviews on Steam. This breaks down to a total of 2,532 positive reviews and 50 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 |
10. Besiege
Besiege is a physics building game about constructing medieval machines to annihilate armies, obliterate castles and overcome challenging obstacles. Conquer the campaign or skirmish with friends in Multiplayer!
Besiege has achieved a Player Score of 94, placing it in the #10 spot for the best Mac OS Science games. Its score was calculated by analyzing a total of 52,288 reviews on Steam. This breaks down to a total of 49,789 positive reviews and 2,499 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 Besiege on the Steam Deck (though some functionality may be limited).
| Steam Price | $14.99 |
| Release Date | 2/18/2020 |
| Franchise | Spiderling Studios |
| Developer | Spiderling Studios |
| Publisher | Spiderling Studios |
| Steam App Id | 346010 |
More Science Mac Games on Steam
Explore even more rankings for the 10 best Science games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 329 | 7/22/2025 | 95 | $29.99 | Steam Charts | |
| 442 | 8/24/2015 | 94 | $29.99 | Steam Charts | |
| 16,077 | 4/27/2015 | 94 | $39.99 | Steam Charts | |
| 7,361 | 3/12/2026 | 94 | $34.99 | Steam Charts | |
| 7 | 9/6/2024 | 94 | $10.99 | Steam Charts | |
| 55 | 6/25/2015 | 94 | Free | Steam Charts | |
| 38 | 4/19/2021 | 94 | Free | Steam Charts | |
| 865 | 2/17/2022 | 94 | $14.99 | Steam Charts | |
| 111 | 6/14/2024 | 94 | Free | Steam Charts | |
| 244 | 2/18/2020 | 94 | $14.99 | 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. (2026, April 30). Steam Store. Steam Store.
- Valve Corporation. (2026, April 30). WolfQuest: Anniversary Edition on Steam. Steam Store.
- Valve Corporation. (2026, May 3). Universe Sandbox on Steam. Steam Store.
- Valve Corporation. (2026, April 29). Kerbal Space Program on Steam. Steam Store.
- Valve Corporation. (2026, April 20). Timberborn on Steam. Steam Store.
- Valve Corporation. (2026, May 1). CATO: Buttered Cat on Steam. Steam Store.
- Valve Corporation. (2026, April 2). Portal Stories: Mel on Steam. Steam Store.
- Valve Corporation. (2026, April 2). Portal Reloaded on Steam. Steam Store.
- Valve Corporation. (2026, May 2). Spaceflight Simulator on Steam. Steam Store.
- Valve Corporation. (2026, April 25). The Powder Toy on Steam. Steam Store.
- Valve Corporation. (2026, April 30). Besiege on Steam. Steam Store.