Games like Mars Horizon on Steam
For those who prefer not to search, lists of the most played, top deals games like Mars Horizon are available at the bottom of the page.
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Rover Mechanic Simulator
As an Engineer - crew member of one of the first Mars colonies - you are responsible for repairing and maintaining Mars Rovers. In this advanced simulator you will learn the internal details of various Mars Rovers and their components.
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.
The Last Starship
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
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.
EarthX
EarthX is a rocket company management game. Go from launching small rockets on Earth to eventually building a colony on Mars. Create your own Internet constellation, develop new technologies, supply the International Space Station and terraform Mars!
Surviving Mars
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.
Terraformers
Terraform Mars in this turn-based colony builder and resource management game with roguelike elements. Explore the planet, develop spectacular cities, spread life and turn the Red Planet into a green one!
Stellar Settlers: Space Base Builder
Stellar Settlers is a chill space base/city builder and colony sim game. With unique vertical and horizontal base-building gameplay, settle on 10 hostile alien planets and build your own thriving colony. Get enough materials to build a physics-based Spaceship and try to escape from disasters.
Per Aspera
Make Mars your own! Take control of the world’s most sophisticated AI (AMI) and terraform the surface of the Red Planet for a city-building experience on a planetary scale. Transform this barren world into a lush paradise and explore the surface for any ancient secrets that may be waiting.
Farlanders
Terraform, strategize, and construct a Martian colony in this retro-inspired turn-based city builder. Create a comfortable living for your citizens, research alien artifacts, and uncover the secrets of the Red Planet.
Reshaping Mars
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.
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.
Oxygen Not Included
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.Most played games like Mars Horizon on Steam
Take a look at the top games like Mars Horizon that are currently attracting the largest player bases on the Steam platform, as of April 30th 2025.
1. Oxygen Not Included
Similarity 50% 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. The game has hit the top spot as the #1 most played game like Mars Horizon, thanks to its 4,349 peak concurrent players over the last day.
9.5
123,406
4,149
4,349
players
2. Kerbal Space Program
Similarity 54% 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 games like Mars Horizon based on player count.
9.4
120,440
6,082
1,958
players
3. Space Haven
Similarity 50% 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. While seeing 506 players online at once in the last 24 hours, this game is currently ranked #3 among games like Mars Horizon based on player count.
8.4
7,688
1,213
506
players
4. Surviving Mars
Similarity 54% 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 #4 spot among the most played games like Mars Horizon.
8.3
22,365
4,086
459
players
5. Terraformers
Similarity 53% Terraform Mars in this turn-based colony builder and resource management game with roguelike elements. Explore the planet, develop spectacular cities, spread life and turn the Red Planet into a green one! Terraformers is a simulation, procedural generation and survival game developed by Asteroid Lab and published by Goblinz Publishing and IndieArk. Released on March 09th 2023 has received 3,234 reviews of which 2,853 were positive and 381 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #5 spot among the most played games like Mars Horizon.
8.5
2,853
381
82
players
6. Per Aspera
Similarity 51% Make Mars your own! Take control of the world’s most sophisticated AI (AMI) and terraform the surface of the Red Planet for a city-building experience on a planetary scale. Transform this barren world into a lush paradise and explore the surface for any ancient secrets that may be waiting. Per Aspera is a online co-op, real-time and management game developed by Tlön Industries and published by Raw Fury. Released on December 03rd 2020 has received 5,458 reviews of which 4,143 were positive and 1,315 were negative resulting in a rating of 7.4 out of 10. The game currently holds the #6 spot among the most played games like Mars Horizon.
7.4
4,143
1,315
79
players
7. Reshaping Mars
Similarity 50% 「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy. Reshaping Mars is a simulation, strategy and base-building game developed by Tholus Games and published by Yooreka Studio. Released on March 30th 2023 has received 815 reviews of which 693 were positive and 122 were negative resulting in a rating of 8.0 out of 10. The game currently holds the #7 spot among the most played games like Mars Horizon.
8.0
693
122
12
players
8. The Last Starship
Similarity 55% The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits! The Last Starship is a strategy, sandbox and simulation game developed and published by Introversion Software. Released on February 15th 2023 has received 534 reviews of which 422 were positive and 112 were negative resulting in a rating of 7.5 out of 10. The game currently holds the #8 spot among the most played games like Mars Horizon.
7.5
422
112
11
players
9. Stellar Settlers: Space Base Builder
Similarity 52% Stellar Settlers is a chill space base/city builder and colony sim game. With unique vertical and horizontal base-building gameplay, settle on 10 hostile alien planets and build your own thriving colony. Get enough materials to build a physics-based Spaceship and try to escape from disasters. Stellar Settlers: Space Base Builder is a colony sim, city builder and base-building game developed by Tinymice Entertainment and published by Rogue Duck Interactive and Gamersky Games. Released on February 22nd 2025 has received 684 reviews of which 511 were positive and 173 were negative resulting in a rating of 7.1 out of 10. The game currently holds the #9 spot among the most played games like Mars Horizon.
7.1
511
173
6
players
10. United Penguin Kingdom
Similarity 60% 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. The game currently holds the #10 spot among the most played games like Mars Horizon.
7.3
297
88
5
players
Best deals on games like Mars Horizon on Steam
Discover fantastic savings with the best discounts on a variety of games like Mars Horizon 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 Mars Horizon.
1. Terraformers
Similarity 53% Terraform Mars in this turn-based colony builder and resource management game with roguelike elements. Explore the planet, develop spectacular cities, spread life and turn the Red Planet into a green one! Terraformers is a simulation, procedural generation and survival game developed by Asteroid Lab and published by Goblinz Publishing and IndieArk. Released on March 09th 2023 has received 3,234 reviews of which 2,853 were positive and 381 were negative resulting in a rating of 8.5 out of 10. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for games like Mars Horizon.
8.5
2,853
381
-95%
20.00€
1.00€
2. Rover Mechanic Simulator
Similarity 63% As an Engineer - crew member of one of the first Mars colonies - you are responsible for repairing and maintaining Mars Rovers. In this advanced simulator you will learn the internal details of various Mars Rovers and their components. Rover Mechanic Simulator is a simulation, indie and building game developed by ▲ Pyramid Games and published by Pyramid Games S.A. and PlayWay S.A.. Released on November 12th 2020 has received 632 reviews of which 485 were positive and 147 were negative resulting in a rating of 7.3 out of 10. Thanks to its incredible 75% discount, this game is now the #2 best deal in games like Mars Horizon.
7.3
485
147
-75%
11.79€
2.94€
3. United Penguin Kingdom
Similarity 60% 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. Thanks to its incredible 70% discount, this game is now the #3 best deal in games like Mars Horizon.
7.3
297
88
-70%
14.79€
4.43€
4. Space Haven
Similarity 50% 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. Currently offered at a significant 54% discount, this title has earned the #4 position in the best deals for games like Mars Horizon.
8.4
7,688
1,213
-54%
22.11€
10.17€
5. Farlanders
Similarity 51% Terraform, strategize, and construct a Martian colony in this retro-inspired turn-based city builder. Create a comfortable living for your citizens, research alien artifacts, and uncover the secrets of the Red Planet. Farlanders is a city builder, turn-based strategy and colony sim game developed by Andriy Bychkovskyi and published by Crytivo. Released on January 17th 2023 has received 522 reviews of which 487 were positive and 35 were negative resulting in a rating of 8.7 out of 10. Currently offered at a 15% discount, this title has earned the #5 position in the best deals for games like Mars Horizon.
8.7
487
35
-15%
12.42€
10.56€