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.
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 June 14th 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 23,690 reviews of which 21,284 were positive and 2,406 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 2,662 peak concurrent players over the last day.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 127,162 reviews of which 121,084 were positive and 6,078 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 1,999 players online at once in the last 24 hours, this game is currently ranked #2 among science games based on player count.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 27,448 reviews of which 26,456 were positive and 992 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 440 players online at once in the last 24 hours, this game is currently ranked #3 among science games based on player count.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 7,066 reviews of which 6,040 were positive and 1,026 were negative resulting in a rating of 8.3 out of 10. With 242 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played science games.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 3,118 reviews of which 2,807 were positive and 311 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.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 1,494 reviews of which 1,342 were positive and 152 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #6 spot among the most played science games.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 1,327 reviews of which 1,228 were positive and 99 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #7 spot among the most played science games.8. while True: learn()
You’re a machine learning specialist who makes neural networks but your cat seems to be better at it. Now you must solve puzzles to build a cat-to-human translation system (who knows what else this cat is capable of!). Earn a fortune, buy kickass cat outfits, learn how machine learning really works! while True: learn() is a programming, simulation and education game developed and published by Luden.io. Released on January 17th 2019 has received 7,618 reviews of which 6,967 were positive and 651 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #8 spot among the most played science games.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 958 reviews of which 716 were positive and 242 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.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 649 reviews of which 609 were positive and 40 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.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 June 14th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted science games.
1. 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 473 reviews of which 412 were positive and 61 were negative resulting in a rating of 8.1 out of 10. Featuring a massive 99% discount, this game currently holds the #1 spot in the best deals for science category.2. 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 3,118 reviews of which 2,807 were positive and 311 were negative resulting in a rating of 8.7 out of 10. Thanks to its incredible 97% discount, this game is now the #2 best deal in science games.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 is a space, simulation and sandbox game developed by Squad and published by Private Division. Released on April 27th 2015 has received 127,162 reviews of which 121,084 were positive and 6,078 were negative resulting in an impressive rating of 9.4 out of 10. Thanks to its incredible 93% discount, this game is now the #3 best deal in science games.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 27,448 reviews of which 26,456 were positive and 992 were negative resulting in an impressive rating of 9.4 out of 10. Currently offered at a significant 66% discount, this title has earned the #4 position in the best deals for science games.5. while True: learn()
You’re a machine learning specialist who makes neural networks but your cat seems to be better at it. Now you must solve puzzles to build a cat-to-human translation system (who knows what else this cat is capable of!). Earn a fortune, buy kickass cat outfits, learn how machine learning really works! while True: learn() is a programming, simulation and education game developed and published by Luden.io. Released on January 17th 2019 has received 7,618 reviews of which 6,967 were positive and 651 were negative resulting in a rating of 8.9 out of 10. Currently offered at a significant 65% discount, this title has earned the #5 position in the best deals for science games.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 June 14th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play science games.