Best Science Games on Steam

Steam currently has 1,132 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 2/11/2025.

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 423,074 reviews on Steam. This breaks down to a total of 417,552 positive reviews and 5,522 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $0.99 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 $0.99
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 173,083 reviews on Steam. This breaks down to a total of 170,418 positive reviews and 2,665 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 20,010 reviews on Steam. This breaks down to a total of 19,505 positive reviews and 505 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 9/9/2016
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 9,653 reviews on Steam. This breaks down to a total of 9,441 positive reviews and 212 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 7/26/2019
Developer eduweb
Publisher eduweb
Steam App Id 926990

5. 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 #5 spot for the best Science games. Its score was calculated by analyzing a total of 26,415 reviews on Steam. This breaks down to a total of 25,490 positive reviews and 925 negative reviews — making it "Overwhelmingly Positive" on Steam.

It is priced at $24.99 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 $24.99
Release Date 5/2/2024
Franchise Playstack
Developer Deep Field Games
Publishers
Steam App Id 427410

6. 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 #6 spot for the best Science games. Its score was calculated by analyzing a total of 26,175 reviews on Steam. This breaks down to a total of 25,227 positive reviews and 948 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

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 25,022 reviews on Steam. This breaks down to a total of 24,054 positive reviews and 968 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. 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 #8 spot for the best Science games. Its score was calculated by analyzing a total of 22,388 reviews on Steam. This breaks down to a total of 21,525 positive reviews and 863 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, there is no confirmed information regarding Steam Deck support for this game.

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

9. 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 #9 spot for the best Science games. Its score was calculated by analyzing a total of 20,747 reviews on Steam. This breaks down to a total of 19,956 positive reviews and 791 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

10. 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 #10 spot for the best Science games. Its score was calculated by analyzing a total of 2,117 reviews on Steam. This breaks down to a total of 2,090 positive reviews and 27 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

More Science Games

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

ImageName
Actions
Portal 2 steam charts
5,890
4/18/2011
98
$0.99
Steam Charts
Portal steam charts
535
10/10/2007
97
$9.99
Steam Charts
STEINS;GATE steam charts
336
9/9/2016
95
$29.99
Steam Charts
WolfQuest: Anniversary Edition steam charts
294
7/26/2019
95
$19.99
Steam Charts
Abiotic Factor steam charts
5,833
5/2/2024
94
$24.99
Steam Charts
Universe Sandbox steam charts
349
8/24/2015
94
$29.99
Steam Charts
Portal: Revolution steam charts
109
1/6/2024
94
Free
Steam Charts
Portal Stories: Mel steam charts
35
6/25/2015
94
Free
Steam Charts
Portal Reloaded steam charts
41
4/19/2021
94
Free
Steam Charts
CATO: Buttered Cat steam charts
32
9/6/2024
94
$10.99
Steam Charts
Kerbal Space Program steam charts
1,884
4/27/2015
94
$9.99
Steam Charts
Besiege steam charts
564
2/18/2020
94
$14.99
Steam Charts
South Scrimshaw, Part One steam charts
1
6/9/2023
94
Free
Steam Charts
Timberborn steam charts
3,764
9/15/2021
94
$34.99
Steam Charts
The Powder Toy steam charts
64
6/14/2024
93
Free
Steam Charts
The Talos Principle steam charts
102
12/11/2014
93
$29.99
Steam Charts
SpaceEngine steam charts
139
6/11/2019
93
$29.99
Steam Charts
STEINS;GATE 0 steam charts
61
5/8/2018
93
$34.99
Steam Charts
The Talos Principle 2 steam charts
171
11/2/2023
93
$29.99
Steam Charts
Spaceflight Simulator steam charts
111
2/18/2022
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, February 11). Steam Store. Steam Store.
  • Valve Corporation. (2025, February 11). Portal 2 on Steam. Steam Store.
  • Valve Corporation. (2025, February 14). Portal on Steam. Steam Store.
  • Valve Corporation. (2025, February 10). STEINS;GATE on Steam. Steam Store.
  • Valve Corporation. (2025, February 14). WolfQuest: Anniversary Edition on Steam. Steam Store.
  • Valve Corporation. (2025, February 13). Abiotic Factor on Steam. Steam Store.
  • Valve Corporation. (2025, February 15). Universe Sandbox on Steam. Steam Store.
  • Valve Corporation. (2025, February 10). Portal: Revolution on Steam. Steam Store.
  • Valve Corporation. (2025, February 5). Portal Stories: Mel on Steam. Steam Store.
  • Valve Corporation. (2025, January 25). Portal Reloaded on Steam. Steam Store.
  • Valve Corporation. (2025, February 14). CATO: Buttered Cat on Steam. Steam Store.

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