Games like X4: Foundations on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like X4: Foundations are available at the bottom of the page.
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X3: Reunion
X3: Reunion continues the epic space saga, blending deep space trading and intense real-time combat. Explore a vast universe, establish your empire, and shape the new frontier. With enhanced graphics and intricate economies, it's a journey of strategy, simulation, and interstellar intrigue.
United Penguin Kingdom
A city-building game where you build a penguin settlement and satisfy the various needs of your penguins while dealing with seals and killer whales. Enjoy the growth of your settlement, become the king, and lead the United Penguin Kingdom.
Sins of a Solar Empire®: Rebellion
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
Elite Dangerous
Take control of your own starship in a cutthroat galaxy. Elite Dangerous is the definitive massively multiplayer space epic.
Space Haven
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Interstellar Rift
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
Astro Colony
Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.
Mad Smartphone Tycoon
Build Your smartphone Empire in Mad Smartphone Tycoon, your main goal in this game is to create the ultimate smartphone that combines both performance and aesthetics. Expand your company, dominate the global market, become a tycoon in the world of mobile phones!
Airport CEO
Build and manage an international airport!
Planetbase
Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.
Star Traders: Frontiers
You are the captain of a starship venturing through a massive open universe. Customize your crew and take command at the helm of your very own ship as you explore a galaxy torn apart by internal strife, alien threats, and political intrigue.
Rise of Industry
Put your entrepreneurial skills to the test in the first title in the ROI series as you create & optimise intricate production lines. As an early 20th-Century industrialist, grow your empire & adapt to an ever-changing business landscape with unexpected events that could lead to boom…or bust.
No Man's Sky
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
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.
Hardspace: Shipbreaker
Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp!
Definitely Not Fried Chicken
Definitely Not Fried Chicken is a business management sim with a Twist! Grow your drugs trade through legitimate fronts by managing both sides of the business. Acquire new "businesses", meet new clientele, Develop more potent narcotics, make lots of money and leave a city in ruin!Most played games like X4: Foundations on Steam
Take a look at the top games like X4: Foundations that are currently attracting the largest player bases on the Steam platform, as of April 30th 2025.
1. No Man's Sky
Similarity 52% No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe. No Man's Sky is a open world, open world survival craft and space game developed and published by Hello Games. Released on August 12th 2016 has received 350,242 reviews of which 290,801 were positive and 59,441 were negative resulting in a rating of 8.2 out of 10. The game has hit the top spot as the #1 most played game like X4: Foundations, thanks to its 5,653 peak concurrent players over the last day.
8.2
290,801
59,441
5,653
players
2. Elite Dangerous
Similarity 60% Take control of your own starship in a cutthroat galaxy. Elite Dangerous is the definitive massively multiplayer space epic. Elite Dangerous is a space sim, space and open world game developed and published by Frontier Developments. Released on April 02nd 2015 has received 99,333 reviews of which 76,805 were positive and 22,528 were negative resulting in a rating of 7.7 out of 10. While seeing 4,976 players online at once in the last 24 hours, this game is currently ranked #2 among games like X4: Foundations based on player count.
7.7
76,805
22,528
4,976
players
3. Oxygen Not Included
Similarity 59% Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive. Oxygen Not Included is a colony sim, base-building and survival game developed and published by Klei Entertainment. Released on July 30th 2019 has received 127,555 reviews of which 123,406 were positive and 4,149 were negative resulting in an impressive rating of 9.5 out of 10. While seeing 4,349 players online at once in the last 24 hours, this game is currently ranked #3 among games like X4: Foundations based on player count.
9.5
123,406
4,149
4,349
players
4. Kerbal Space Program
Similarity 52% 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. With 1,958 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like X4: Foundations.
9.4
120,440
6,082
1,958
players
5. Dyson Sphere Program
Similarity 56% Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire. Dyson Sphere Program is a automation, space and base-building game developed by Youthcat Studio and published by Gamirror Games. Released on January 20th 2021 has received 84,667 reviews of which 82,683 were positive and 1,984 were negative resulting in an impressive rating of 9.6 out of 10. With 1,702 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like X4: Foundations.
9.6
82,683
1,984
1,702
players
6. Empyrion - Galactic Survival
Similarity 52% Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion! Empyrion - Galactic Survival is a simulation, co-op and open world survival craft game developed and published by Eleon Game Studios. Released on August 05th 2020 has received 33,145 reviews of which 26,115 were positive and 7,030 were negative resulting in a rating of 7.8 out of 10. With 1,095 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like X4: Foundations.
7.8
26,115
7,030
1,095
players
7. Avorion
Similarity 72% A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy. Avorion is a exploration, sandbox and space sim game developed and published by Boxelware. Released on March 09th 2020 has received 13,528 reviews of which 12,212 were positive and 1,316 were negative resulting in a rating of 8.8 out of 10. With 601 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like X4: Foundations.
8.8
12,212
1,316
601
players
8. Space Haven
Similarity 59% Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation. Space Haven is a base-building, space and colony sim game developed and published by Bugbyte Ltd.. Released on May 21st 2020 has received 8,901 reviews of which 7,688 were positive and 1,213 were negative resulting in a rating of 8.4 out of 10. With 506 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like X4: Foundations.
8.4
7,688
1,213
506
players
9. Surviving Mars
Similarity 53% There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you. Surviving Mars is a colony sim, city builder and strategy game developed by Haemimont Games and Abstraction and published by Paradox Interactive. Released on March 15th 2018 has received 26,451 reviews of which 22,365 were positive and 4,086 were negative resulting in a rating of 8.3 out of 10. With 459 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like X4: Foundations.
8.3
22,365
4,086
459
players
10. Sins of a Solar Empire®: Rebellion
Similarity 61% Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay. Sins of a Solar Empire®: Rebellion is a management, diplomacy and online co-op game developed by Stardock Entertainment and Ironclad Games Corporation and published by Stardock Entertainment. Released on June 12th 2012 has received 15,980 reviews of which 14,889 were positive and 1,091 were negative resulting in an impressive rating of 9.1 out of 10. With 278 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like X4: Foundations.
9.1
14,889
1,091
278
players
Best deals on games like X4: Foundations on Steam
Discover fantastic savings with the best discounts on a variety of games like X4: Foundations 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 games like X4: Foundations.
1. Rise of Industry
Similarity 52% Put your entrepreneurial skills to the test in the first title in the ROI series as you create & optimise intricate production lines. As an early 20th-Century industrialist, grow your empire & adapt to an ever-changing business landscape with unexpected events that could lead to boom…or bust. Rise of Industry is a management, strategy and economy game developed by Dapper Penguin Studios and published by Kasedo Games. Released on May 02nd 2019 has received 4,091 reviews of which 2,996 were positive and 1,095 were negative resulting in a rating of 7.1 out of 10. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for games like X4: Foundations.
7.1
2,996
1,095
-95%
31.60€
1.58€
2. Juno: New Origins
Similarity 51% 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. Thanks to its incredible 93% discount, this game is now the #2 best deal in games like X4: Foundations.
8.7
2,776
306
-93%
18.43€
1.29€
3. Hardspace: Shipbreaker
Similarity 51% Equipped with cutting-edge salvaging tech, carve & slice spaceships to recover valuable materials. Upgrade your gear to take on more lucrative contracts and pay your billion credits debt to LYNX Corp! Hardspace: Shipbreaker is a space, sci-fi and simulation game developed by Blackbird Interactive and published by Focus Entertainment. Released on May 24th 2022 has received 20,286 reviews of which 18,156 were positive and 2,130 were negative resulting in a rating of 8.8 out of 10. Thanks to its incredible 89% discount, this game is now the #3 best deal in games like X4: Foundations.
8.8
18,156
2,130
-89%
36.18€
3.98€
4. X3: Reunion
Similarity 72% X3: Reunion continues the epic space saga, blending deep space trading and intense real-time combat. Explore a vast universe, establish your empire, and shape the new frontier. With enhanced graphics and intricate economies, it's a journey of strategy, simulation, and interstellar intrigue. X3: Reunion is a space, simulation and strategy game developed and published by Egosoft. Released on July 21st 2006 has received 684 reviews of which 493 were positive and 191 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 85% discount, this title has earned the #4 position in the best deals for games like X4: Foundations.
6.9
493
191
-85%
9.73€
1.46€
5. Elite Dangerous
Similarity 60% Take control of your own starship in a cutthroat galaxy. Elite Dangerous is the definitive massively multiplayer space epic. Elite Dangerous is a space sim, space and open world game developed and published by Frontier Developments. Released on April 02nd 2015 has received 99,333 reviews of which 76,805 were positive and 22,528 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 79% discount, this title has earned the #5 position in the best deals for games like X4: Foundations.
7.7
76,805
22,528
-79%
19.86€
4.17€
6. Interstellar Rift
Similarity 58% Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy! Interstellar Rift is a space sim, building and open world game developed by Split Polygon and published by Iceberg Interactive. Released on September 24th 2020 has received 1,618 reviews of which 1,123 were positive and 495 were negative resulting in a rating of 6.7 out of 10. Currently offered at a significant 77% discount, this title has earned the #6 position in the best deals for games like X4: Foundations.
6.7
1,123
495
-77%
19.52€
4.49€
7. Definitely Not Fried Chicken
Similarity 50% Definitely Not Fried Chicken is a business management sim with a Twist! Grow your drugs trade through legitimate fronts by managing both sides of the business. Acquire new "businesses", meet new clientele, Develop more potent narcotics, make lots of money and leave a city in ruin! Definitely Not Fried Chicken is a management, simulation and crime game developed by Dope Games and published by Silver Lining Interactive. Released on September 29th 2023 has received 1,995 reviews of which 1,480 were positive and 515 were negative resulting in a rating of 7.2 out of 10. Currently offered at a significant 75% discount, this title has earned the #7 position in the best deals for games like X4: Foundations.
7.2
1,480
515
-75%
21.32€
5.33€
8. Airport CEO
Similarity 53% Build and manage an international airport! Airport CEO is a flight, resource management and moddable game developed and published by Apog Labs. Released on March 04th 2021 has received 7,621 reviews of which 6,381 were positive and 1,240 were negative resulting in a rating of 8.1 out of 10. Currently offered at a significant 72% discount, this title has earned the #8 position in the best deals for games like X4: Foundations.
8.1
6,381
1,240
-72%
24.39€
6.83€
9. No Man's Sky
Similarity 52% No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe. No Man's Sky is a open world, open world survival craft and space game developed and published by Hello Games. Released on August 12th 2016 has received 350,242 reviews of which 290,801 were positive and 59,441 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 71% discount, this title has earned the #9 position in the best deals for games like X4: Foundations.
8.2
290,801
59,441
-71%
58.31€
16.91€
10. United Penguin Kingdom
Similarity 62% A city-building game where you build a penguin settlement and satisfy the various needs of your penguins while dealing with seals and killer whales. Enjoy the growth of your settlement, become the king, and lead the United Penguin Kingdom. United Penguin Kingdom is a strategy, strategy, city builder, city builder, survival and survival game developed by Turquoise Revival Games and published by GrabTheGames and UpgradePoint. Released on March 09th 2024 has received 385 reviews of which 297 were positive and 88 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 70% discount, this title has earned the #10 position in the best deals for games like X4: Foundations.
7.3
297
88
-70%
14.79€
4.43€
Free games like X4: Foundations on Steam
Check out this fantastic list of free-to-play games like X4: Foundations 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 games like X4: Foundations.
1. Endless Sky
Similarity 65% Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters. Endless Sky is a space, free to play and open world game developed and published by Michael Zahniser. Released on October 30th 2015 has received 6,604 reviews of which 6,096 were positive and 508 were negative resulting in a rating of 8.9 out of 10. With 129 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like X4: Foundations.
8.9
6,096
508
129
players
2. Prosperous Universe
Similarity 60% In Prosperous Universe start your galactic empire by trading on the real-time market exchange with other real players. Build your 1st base from humble beginnings & watch as your business flourishes with complex supply chain strategies. Economics, politics & realism fuel this immersive business MMO. Prosperous Universe is a early access, economy and resource management game developed and published by simulogics. Released on April 20th 2022 has received 886 reviews of which 666 were positive and 220 were negative resulting in a rating of 7.2 out of 10. The game currently holds the #2 spot among the most played free games like X4: Foundations.
7.2
666
220
28
players