Discounted 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
CAR TUNE: Project
Car Tune: Project is a dynamic game in which the player takes on the role of a car mechanic. The goal of the game is to tune, modify, and improve the performance of cars. An extensive tuning system and realistic driving physics provide a great experience for automotive enthusiasts.
Lightmatter
A first-person puzzler where shadows kill you. Watch your step or be swallowed by the darkness.
Moons of Madness
Moons of Madness is a first-person, story-driven cosmic horror game where the scientific exploration of Mars meets the supernatural dread of Lovecraft.
Valfaris
Set in a far corner of space, Valfaris is a heavy metal infused 2D action-platformer and the next game from the team behind Unity Awards finalist, Slain: Back From Hell. Brutal combat. Deadly enemies. Stunning pixel art. Savage soundtrack. Get ready to rip the galaxy a new wormhole.
CHAOS;CHILD
From the creators of the critically acclaimed STEINS;GATE comes a sensational new visual novel: CHAOS;CHILD. Set in Shibuya in 2015, a group of high school students who survived an earthquake six years ago find themselves at the center of a new series of bizarre murders in the city.
STEINS;GATE 0
If you can't save the one you love… How can you save humanity? Sequel to the visual novel cult classic. Experience an alternate worldline of STEINS;GATE.
DEPLOYMENT
Deployment is an intense competitive top-down shooter game. Infosoldiers, made of pure information, fight in an endless war between governments and megacorporations to rule over the digital systems that control the world. Deploy your troops from up to five different classes!
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.
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.
The Talos Principle
The Talos Principle is a first-person puzzle game in the tradition of philosophical science fiction. Made by Croteam and written by Tom Jubert (FTL, The Swapper) and Jonas Kyratzes (The Sea Will Claim Everything).
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.
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!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 30th 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 23,393 reviews of which 21,027 were positive and 2,366 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 2,520 peak concurrent players over the last day.
8.8
21,027
2,366
2,520
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 126,522 reviews of which 120,440 were positive and 6,082 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 1,958 players online at once in the last 24 hours, this game is currently ranked #2 among science games based on player count.
9.4
120,440
6,082
1,958
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 27,055 reviews of which 26,078 were positive and 977 were negative resulting in an impressive rating of 9.4 out of 10. While seeing 428 players online at once in the last 24 hours, this game is currently ranked #3 among science games based on player count.
9.4
26,078
977
428
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 7,001 reviews of which 5,979 were positive and 1,022 were negative resulting in a rating of 8.3 out of 10. With 277 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played science games.
8.3
5,979
1,022
277
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 3,082 reviews of which 2,776 were positive and 306 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
2,776
306
59
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 1,459 reviews of which 1,313 were positive and 146 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
1,313
146
27
players
7. 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 7,558 reviews of which 6,914 were positive and 644 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #7 spot among the most played science games.
8.9
6,914
644
11
players
8. 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 635 reviews of which 596 were positive and 39 were negative resulting in a rating of 8.8 out of 10. The game currently holds the #8 spot among the most played science games.
8.8
596
39
10
players
9. 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 1,288 reviews of which 1,189 were positive and 99 were negative resulting in a rating of 8.7 out of 10. The game currently holds the #9 spot among the most played science games.
8.7
1,189
99
5
players
10. 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 #10 spot among the most played science games.
7.2
717
238
3
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 30th 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 3,082 reviews of which 2,776 were positive and 306 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
2,776
306
-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 90% discount, this game is now the #2 best deal in science games.
8.1
405
61
-90%
9.75€
0.97€
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 27,055 reviews of which 26,078 were positive and 977 were negative resulting in an impressive rating of 9.4 out of 10. Thanks to its incredible 55% discount, this game is now the #3 best deal in science games.
9.4
26,078
977
-55%
28.71€
12.92€
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 30th 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 23,393 reviews of which 21,027 were positive and 2,366 were negative resulting in a rating of 8.8 out of 10. With 2,520 active players enjoying it for free, this strategy game has reached the #1 spot among the top free science games on Steam.
8.8
21,027
2,366
2,520
players