Best Science Games on Steam

Steam currently has 1,243 Science games available to download and play. 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 7/11/2025.

Looking for more? Explore other lists such as:

1. Portal 2

The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!

Portal 2 banner

Portal 2 holds the #1 spot for "best Science game on Steam" with a Player Score of 98. Its score was calculated by analyzing a total of 439,001 reviews on Steam. This breaks down to a total of 433,265 positive reviews and 5,736 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $9.99 to play and can be played and ran on both Windows and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.

Steam Price $9.99
Release Date 4/18/2011
Franchise Valve
Developer Valve
Publisher Valve
Steam App Id 620

2. Portal

Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.

Portal banner

Portal has achieved a Player Score of 97, placing it in the #2 spot for the best Science games. Its score was calculated by analyzing a total of 180,810 reviews on Steam. This breaks down to a total of 178,048 positive reviews and 2,762 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $9.99 to play and can be played and ran on both Windows and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.

Steam Price $9.99
Release Date 10/10/2007
Developer Valve
Publisher Valve
Steam App Id 400

3. STEINS;GATE

Developed by 5pb. and Nitroplus, STEINS;GATE was awarded Famitsu magazine's coveted annual Game of Excellence award and was voted one of the most emotionally charged “tear-inducing games” ever made, in a Famitsu poll. It is a gripping and moving Visual Novel, which has already spawned manga and anime adaptations.

STEINS;GATE banner

STEINS;GATE has achieved a Player Score of 95, placing it in the #3 spot for the best Science games. Its score was calculated by analyzing a total of 22,590 reviews on Steam. This breaks down to a total of 21,963 positive reviews and 627 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $29.99 to play and can be played and ran on Windows systems. At the moment, it is possible to play STEINS;GATE on the Steam Deck (though some functionality may be limited).

Steam Price $29.99
Release Date 9/8/2016
Franchise Science Adventure Series
Developer MAGES. Inc.
Publisher Spike Chunsoft Co., Ltd.
Steam App Id 412830

4. 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 has achieved a Player Score of 95, placing it in the #4 spot for the best Science games. Its score was calculated by analyzing a total of 10,734 reviews on Steam. This breaks down to a total of 10,497 positive reviews and 237 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 7/22/2025
Developer eduweb
Publisher eduweb
Steam App Id 926990

5. 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 #5 spot for the best Science games. Its score was calculated by analyzing a total of 27,942 reviews on Steam. This breaks down to a total of 26,936 positive reviews and 1,006 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

6. Abiotic Factor

Abiotic Factor is a survival crafting experience for 1-6 players set in the depths of an underground research facility. Caught between paranormal containment failure, a military crusade, and chaos from a dozen realms, the world’s greatest minds must survive against the universe’s biggest threats.

Abiotic Factor banner

Abiotic Factor has achieved a Player Score of 94, placing it in the #6 spot for the best Science games. Its score was calculated by analyzing a total of 35,515 reviews on Steam. This breaks down to a total of 34,102 positive reviews and 1,413 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $34.99 to play and can be played and ran on Windows systems. At the moment, it is possible to play Abiotic Factor on the Steam Deck (though some functionality may be limited).

Steam Price $34.99
Release Date 7/22/2025
Franchise Playstack
Developer Deep Field Games
Publishers
Steam App Id 427410

7. Portal: Revolution

The Portal Mod you've been waiting for. Delve into a new story with original characters, spanning over 8 hours of gameplay and featuring over 40 new challenging test chambers which make use of new mechanics.

Portal: Revolution banner

Portal: Revolution has achieved a Player Score of 94, placing it in the #7 spot for the best Science games. Its score was calculated by analyzing a total of 26,869 reviews on Steam. This breaks down to a total of 25,844 positive reviews and 1,025 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is completely free to play and can be played and ran on both Windows and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.

Release Date 1/6/2024
Developer Second Face Software
Publisher Second Face Software
Steam App Id 601360

8. CATO: Buttered Cat

CATO = Cat + Toast = Buttered cat paradox = Anti-gravity 🍞🐈🧩 200+ puzzles,40+ skins

CATO: Buttered Cat banner

CATO: Buttered Cat has achieved a Player Score of 94, placing it in the #8 spot for the best Science games. Its score was calculated by analyzing a total of 2,414 reviews on Steam. This breaks down to a total of 2,379 positive reviews and 35 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 9/5/2024
Franchise GCORES PUBLISHING
Developer Team Woll
Publisher GCORES PUBLISHING
Steam App Id 1999520

9. 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 #9 spot for the best Science games. Its score was calculated by analyzing a total of 128,765 reviews on Steam. This breaks down to a total of 122,583 positive reviews and 6,182 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

10. 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 #10 spot for the best Science games. Its score was calculated by analyzing a total of 21,200 reviews on Steam. This breaks down to a total of 20,381 positive reviews and 819 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

More Science Games

Explore even more rankings for the 100 best Science games available on Steam.

ImageName
Actions
Portal 2 steam charts
2,087
4/18/2011
98
$9.99
Steam Charts
Portal steam charts
658
10/10/2007
97
$9.99
Steam Charts
STEINS;GATE steam charts
345
9/8/2016
95
$29.99
Steam Charts
WolfQuest: Anniversary Edition steam charts
916
7/22/2025
95
$19.99
Steam Charts
Universe Sandbox steam charts
308
8/24/2015
94
$29.99
Steam Charts
Abiotic Factor steam charts
16,889
7/22/2025
94
$34.99
Steam Charts
Portal: Revolution steam charts
123
1/6/2024
94
Free
Steam Charts
CATO: Buttered Cat steam charts
23
9/5/2024
94
$10.99
Steam Charts
Kerbal Space Program steam charts
3,135
4/27/2015
94
$9.99
Steam Charts
Portal Reloaded steam charts
31
4/19/2021
94
Free
Steam Charts
Portal Stories: Mel steam charts
67
6/25/2015
94
Free
Steam Charts
Timberborn steam charts
3,372
9/15/2021
94
$24.49
Steam Charts
South Scrimshaw, Part One steam charts
2
6/9/2023
94
Free
Steam Charts
The Powder Toy steam charts
120
6/14/2024
94
Free
Steam Charts
Besiege steam charts
398
2/18/2020
94
$14.99
Steam Charts
The Talos Principle steam charts
59
12/11/2014
93
$29.99
Steam Charts
SpaceEngine steam charts
186
6/11/2019
93
$29.99
Steam Charts
Aviassembly steam charts
390
4/11/2025
93
$9.99
Steam Charts
STEINS;GATE 0 steam charts
220
5/8/2018
93
$34.99
Steam Charts
Spaceflight Simulator steam charts
116
2/17/2022
93
$14.99
Steam Charts
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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, July 11). Steam Store. Steam Store.
  • Valve Corporation. (2025, July 11). Portal 2 on Steam. Steam Store.
  • Valve Corporation. (2025, August 3). Portal on Steam. Steam Store.
  • Valve Corporation. (2025, August 3). STEINS;GATE on Steam. Steam Store.
  • Valve Corporation. (2025, August 3). WolfQuest: Anniversary Edition on Steam. Steam Store.
  • Valve Corporation. (2025, August 4). Universe Sandbox on Steam. Steam Store.
  • Valve Corporation. (2025, August 3). Abiotic Factor on Steam. Steam Store.
  • Valve Corporation. (2025, August 4). Portal: Revolution on Steam. Steam Store.
  • Valve Corporation. (2025, August 4). CATO: Buttered Cat on Steam. Steam Store.
  • Valve Corporation. (2025, July 24). Kerbal Space Program on Steam. Steam Store.
  • Valve Corporation. (2025, July 27). Portal Reloaded on Steam. Steam Store.

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