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
Forever Skies
A first-person survival game set on a post-apocalyptic, ecologically ruined Earth. Play solo or with up to 3 friends as you build, upgrade, and fly a high-tech airship. Scavenge resources, craft tools, and face dangers on the surface as you hunt for a cure to save humanity.
Aviassembly
Build and fly your own airplane! Complete missions to earn money, upgrade your plane, and discover new locations in an open world.
Learning Factory
Build intricate supply chains to meet your feline customers' needs. Discover underground and air transport layers, a vast research tree, procedural worlds, machine learning, and endless automation in this relaxing, enemyless game.
Machinika: Atlas
Machinika: Atlas is an indie puzzle game and is the direct sequel to Machinika: Museum, you play as a museum researcher who just land on Atlas. Will you unravel the mysteries of the alien vessel? Solve cryptic puzzles to find out what happened!
RIPOUT
Ripout is an online Co-Op horror FPS that will have players fight their way through procedurally generated derelict ships filled with mutants capable of reconfiguring their alien bodies. Survive with your trusty Pet Gun companion, collect loot, and customize your character to fit your playstyle.
Genome Guardian
COMBINE WEAPONS in the microscopic roguelite turret shooter with macroscopic depth. Survive 6 modes using an astounding array of turrets, perks, mutations and power-ups on this psychedelic journey to the heart of the abyss. Shmup Mode turns it into a vertical shoot 'em up!
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.
Botany Manor
Welcome to Botany Manor, a stately home in 19th century England. You play as inhabitant Arabella Greene, a retired botanist. Explore your house and gardens, filled with research, to figure out the ideal habitat of forgotten flora. Grow each plant to discover the mysterious qualities they hold…
The Invincible
Rethink human’s dominion in The Invincible: a story-driven adventure set in a hard sci-fi world by Stanisław Lem. Discover planet Regis III as scientist Yasna, use atompunk tools looking for a missing crew and face unforeseen threats. Make choices in a philosophical story that’s driven by science.
The Talos Principle 2
The Talos Principle 2 is a thought-provoking first-person puzzle experience that greatly expands on the first game's philosophical themes and stunning environments with increasingly mind-bending challenges.
InfraSpace
Create an extrasolar efficiency utopia from scratch! In this sci-fi city builder you need to start mining operations, plan production, and lay down transportation routes to ensure a smooth supply chain.
ΔV: Rings of Saturn
A physics-based mining sim, set in the thickest debris field in Sol. Every action has a reaction, lasers are invisible without a medium, and your thrust is a potent weapon. Find trade, adapt your equipment to your playstyle, hire a crew to help. Unravel the mysteries of the rings, or just get rich.
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.
Zombie Cure Lab
Construct a laboratory base full of machinery to cure zombies. Assign workers to gather and process resources, building up your economy. Defend against zombie attacks and convert them into your workforce. Research technologies to develop the final antidote and restore humanity.
Tin Can
You've barely managed to escape your exploding spaceship. Now in an old escape pod, you hurtle through space at the mercy of the cosmos. With no knowledge of the pod’s complex systems, your life depends on a technical manual and your own wits. How long can you survive?
SCP Strategy
Take control of the SCP Foundation. For the general good, find, contain, and protect SCP objects. Develop your foundation and protect it from hostile organizations, in the last resort destroy them and capture SCP objects held there.
Prehistoric Kingdom
Take control of limitless power in Prehistoric Kingdom to build, manage and grow the ultimate zoo for extinct animals.
Next Space Rebels
SPACE IS FOR EVERYONE. In Next Space Rebels, you will develop from a naive rocket hobbyist into an experienced space activist by designing, building, and launching rockets of increasing complexity.
Timberborn
Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.
Star Dynasties
Take the reins of a feudal dynasty in a divided galaxy following the destruction of earth. Star Dynasties is a turn based, procedurally generated narrative of human drama and personal politics, mixed with a light empire management layer. Your choices. Your legacy.
Imagine Earth
Build your own global colonies on distant worlds. Manage energy and resource supplies and produce goods for space trade. Form economic and diplomatic alliances or take over competing corporations. Conduct research to protect your colonists from disasters and avoid a climate crisis.
Machinika: Museum
Welcome to the Museum! Machinika Museum is a mystery game where you discover beautiful and mysterious machines of extra-terrestrial origins in an atmospheric galaxy-spanning 3D puzzle game. Will you be able to understand their stories and discover what happened to their previous owner?
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.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