Best Science games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated science games. For those who prefer not to search, lists of the most played, top deals and best free science games are available at the bottom of the page.
Filters & Lists
Homebrew - Patent Unknown
Unleash your creativity and craft anything from flying cars to jet-powered toilets.Fair warning: there's a learning curve. But once you've got it, the sky's the limit for your creations!While active development is paused, we focus preserving the game and keeping it accessible.
Starpoint Gemini 2
Captain your own space ship and roam the galaxy in 3D in this tactical space simulator with tons of RPG depth ! Space has never looked so inviting - but images can betray...It has been two years since the end of the second Gemini war, the situation in the wartorn system is further from resolution than ever.
MouseCraft
Ever wondered what a cross between Tetris and Lemmings would look like? Well, wonder no more, 'cause... MouseCraft is here! MouseCraft is an A to B puzzle game where players help Schrödinger, the crazy cat scientist, in completing his mysterious, mice-powered invention.
Q.U.B.E: Director's Cut
Q.U.B.E: Director's Cut is the definitive version of the brain-twisting first-person puzzler. Using special high-tech gloves to manipulate cubes in the environment, the player solves an array of conundrums - from physics-based challenges; to 3D jigsaws; to platform-based trials.
Star Conflict
Star Conflict is an action-packed, massively multiplayer space simulation game that puts players in the role of elite pilots engaging in a widespread interplanetary skirmish. The whole world for PVP and PVE!
Quantum Conundrum
Find and rescue your uncle by using his newest invention to work your way through a crazy complex mansion as you switch between dimensions and solve puzzles!
SpaceChem
Zachtronics is back with an ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform raw materials into valuable chemical products!
Osmos
Enter the ambient world of Osmos: elegant, physics-based gameplay, dreamlike visuals, and a minimalist, electronic soundtrack. Your objective is to grow by absorbing other motes. Propel yourself by ejecting matter behind you. But be wise: ejecting matter also shrinks you. Relax - good things come to those who wait.
Most played science games on Steam
Take a look at the top science games that are currently attracting the largest player bases on the Steam platform, as of April 16th 2025.
1. Cell to Singularity - Evolution Never Ends
The epic story of evolution, technology, humanity, and dinosaurs is yours to tap. Cell to Singularity - Evolution Never Ends is a clicker, free to play and simulation game developed and published by Computer Lunch. Released on November 03rd 2021 has received 23,288 reviews of which 20,937 were positive and 2,351 were negative resulting in a rating of 8.8 out of 10. The game has hit the top spot as the #1 most played science game, thanks to its 2,580 peak concurrent players over the last day.
8.8
20,937
2,351
2,580
players
2. 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 is a space, simulation and sandbox game developed by Squad and published by Private Division. Released on April 27th 2015 has received 126,215 reviews of which 120,127 were positive and 6,088 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 2,347 players online at once in the last 24 hours, this game is currently ranked #2 among science games based on player count.
9.4
120,127
6,088
2,347
players
3. 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 is a sandbox, space and simulation game developed and published by Giant Army. Released on August 24th 2015 has received 26,874 reviews of which 25,903 were positive and 971 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 454 players online at once in the last 24 hours, this game is currently ranked #3 among science games based on player count.
9.4
25,903
971
454
players
4. Stationeers
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times! Stationeers is a early access, space and base-building game developed and published by RocketWerkz. Released on December 12th 2017 has received 6,967 reviews of which 5,947 were positive and 1,020 were negative resulting in a rating of 8.3 out of 10. With 340 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played science games.
8.3
5,947
1,020
340
players
5. Juno: New Origins
Bring to life anything you can imagine from rockets and airplanes to cars and more. Automate them with a visual programming language. Explore 3D planets and make your own. Share your creations online. Complete contracts, conquer milestones, and unlock technology in the newly added Career Mode. Juno: New Origins is a building, science and space sim game developed and published by Jundroo and LLC. Released on January 26th 2023 has received 3,066 reviews of which 2,762 were positive and 304 were negative resulting in a rating of 8.7 out of 10. The game currently holds the #5 spot among the most played science games.
8.7
2,762
304
53
players
6. The Sapling
The Sapling is a short simulation game where you design your own plants and animals, and put them in a world together. Or you turn on random mutations, and see what evolution does to your ecosystem! The Sapling is a life sim, sandbox and science game developed and published by Wessel Stoop. Released on December 12th 2019 has received 1,443 reviews of which 1,302 were positive and 141 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #6 spot among the most played science games.
8.6
1,302
141
20
players
7. Thrive
An evolution simulation game. Take control of your species in the environment and edit your species as a whole. Compete with other evolving species for resources on an alien planet. Thrive is a simulation, science and sandbox game developed and published by Revolutionary Games Studio. Released on November 26th 2021 has received 1,278 reviews of which 1,180 were positive and 98 were negative resulting in a rating of 8.7 out of 10. The game currently holds the #7 spot among the most played science games.
8.7
1,180
98
7
players
8. Size Matters
You play as a scientist who is shrinking every second in a race against time! Find all the ingredients and formulas scattered around the laboratory, which are necessary for producing the life-saving antidote. But beware, your time is very precious. Size Matters is a simulation, casual and science game developed by Mazen Games and published by GrabTheGames. Released on March 12th 2021 has received 466 reviews of which 405 were positive and 61 were negative resulting in a rating of 8.1 out of 10. The game currently holds the #8 spot among the most played science games.
8.1
405
61
3
players
9. Species: Artificial Life, Real Evolution
Play with evolution! Species: ALRE is a scientifically-grounded, emergent simulation of natural selection. Creatures evolve and speciate in response to in-game mutation and selection forces, allowing you to experience and tinker with evolution in real-time. Species: Artificial Life, Real Evolution is a simulation, sandbox and early access game developed and published by Quasar. Released on September 28th 2018 has received 955 reviews of which 717 were positive and 238 were negative resulting in a rating of 7.2 out of 10. The game currently holds the #9 spot among the most played science games.
7.2
717
238
3
players
10. Sokobond
Sokobond is an elegantly designed puzzle game about chemistry. It's logical, minimalist, and beautiful - crafted with love and science. Sokobond is a sokoban, science and difficult game developed by Alan Hazelden and Lee Shang Lun and published by Draknek & Friends. Released on July 21st 2014 has received 633 reviews of which 594 were positive and 39 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #10 spot among the most played science games.
8.8
594
39
2
players
Best deals on science games on Steam
Discover fantastic savings with the best discounts on a variety of science games available on Steam right now, updated on April 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted science games.
1. Juno: New Origins
Bring to life anything you can imagine from rockets and airplanes to cars and more. Automate them with a visual programming language. Explore 3D planets and make your own. Share your creations online. Complete contracts, conquer milestones, and unlock technology in the newly added Career Mode. Juno: New Origins is a building, science and space sim game developed and published by Jundroo and LLC. Released on January 26th 2023 has received 3,066 reviews of which 2,762 were positive and 304 were negative resulting in a rating of 8.7 out of 10. Featuring a massive 93% discount, this game currently holds the #1 spot in the best deals for science category.
8.7
2,762
304
-93%
18.43€
1.29€
2. Size Matters
You play as a scientist who is shrinking every second in a race against time! Find all the ingredients and formulas scattered around the laboratory, which are necessary for producing the life-saving antidote. But beware, your time is very precious. Size Matters is a simulation, casual and science game developed by Mazen Games and published by GrabTheGames. Released on March 12th 2021 has received 466 reviews of which 405 were positive and 61 were negative resulting in a rating of 8.1 out of 10. Thanks to its incredible 79% discount, this game is now the #2 best deal in science games.
8.1
405
61
-79%
9.71€
2.04€
3. Sokobond
Sokobond is an elegantly designed puzzle game about chemistry. It's logical, minimalist, and beautiful - crafted with love and science. Sokobond is a sokoban, science and difficult game developed by Alan Hazelden and Lee Shang Lun and published by Draknek & Friends. Released on July 21st 2014 has received 633 reviews of which 594 were positive and 39 were negative resulting in a rating of 8.8 out of 10. Thanks to its incredible 70% discount, this game is now the #3 best deal in science games.
8.8
594
39
-70%
14.79€
4.43€
4. 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 is a sandbox, space and simulation game developed and published by Giant Army. Released on August 24th 2015 has received 26,874 reviews of which 25,903 were positive and 971 were negative resulting in an impressive rating of 9.4 out of 10. Currently offered at a significant 55% discount, this title has earned the #4 position in the best deals for science games.
9.4
25,903
971
-55%
29.29€
13.18€
Free science games on Steam
Check out this fantastic list of free-to-play science games you can enjoy on Steam right now, updated on April 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play science games.
1. Cell to Singularity - Evolution Never Ends
The epic story of evolution, technology, humanity, and dinosaurs is yours to tap. Cell to Singularity - Evolution Never Ends is a clicker, free to play and simulation game developed and published by Computer Lunch. Released on November 03rd 2021 has received 23,288 reviews of which 20,937 were positive and 2,351 were negative resulting in a rating of 8.8 out of 10. With 2,580 active players enjoying it for free, this strategy game has reached the #1 spot among the top free science games on Steam.
8.8
20,937
2,351
2,580
players