- #1 EarthX
97% matchVery Positive88% of 917 reviews2023
Dev: DenisPub: Mesote Games
Windows · Mac · Linux
Median: 6.4 hrsMean: 17.3 hrs≥1hr: 93%
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!
Why similar: Space Sim 23%, Education 16.4%, Space 15.7%, Management 13.4%, Building 11.3%
Why You'll Like It: It offers a modern take on managing a private space company, focusing on rocket development and launching payloads into orbit.
- #2 Buzz Aldrin's Space Program Manager
96% matchMostly Positive77% of 498 reviews2014
Dev: Polar MotionPub: Slitherine Ltd.
Windows
Median: 5.0 hrsMean: 9.3 hrs≥1hr: 94%
Space Program Manager (SPM) is the ultimate game of space exploration. It is the mid 1950s and the race for dominance between the US and the Soviet Union is about to move into a new dimension: space.
Why similar: Space 30.3%, Management 18.2%, Strategy 14.7%, Simulation 12.5%, Historical 12.4%
Why You'll Like It: This game shares the most DNA with Mars Horizon by focusing on the historical management of a space agency and the step-by-step progression of the space race.
- #3 Kerbal Space Program
96% matchOverwhelmingly Positive96% of 146,254 reviews2015
Dev: SquadPub: Private Division
Windows · Mac · Linux
Median: 5.4 hrsMean: 66.1 hrs≥1hr: 84%
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.
Why similar: Science 22.9%, Space Sim 21.1%, Space 20.3%, Education 10.3%, Building 8.5%
Why You'll Like It: While more physics-focused, it is the definitive experience for designing rockets and planning orbital missions that succeed or fail based on your engineering decisions.
- #4 Terra Invicta
94% matchVery Positive80% of 9,823 reviews2026
Dev: Pavonis InteractivePub: Hooded Horse
Windows
Median: 9.2 hrsMean: 52.6 hrs≥1hr: 79%
An alien invasion has fractured humanity into seven ideological factions each with a unique vision for the future. Lead your chosen faction to take control of Earth’s nations, expand across the Solar System, and battle enemy fleets in tactical combat.
Why similar: Alternate History 21%, Historical 18.6%, Turn-Based 18.1%, Space 14.4%, Management 14.2%
Why You'll Like It: This grand strategy game captures the high-level geopolitical and scientific management required to lead a space agency against global competition.
- #5 Per Aspera
94% matchMostly Positive76% of 5,760 reviews2020
Dev: Tlön IndustriesPub: Raw Fury
Windows
Median: 5.0 hrsMean: 12.0 hrs≥1hr: 93%
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.
Why similar: Mars 32.6% ★, Science 18.6%, Management 11.4%, Space 10.9%, Building 9.9%
Why You'll Like It: This game tasks you with terraforming Mars, requiring careful resource management and strategic expansion across the planet's surface.
- #6 Space Haven
92% matchVery Positive86% of 11,081 reviews2026
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 20.9 hrs≥1hr: 71%
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.
Why similar: Space Sim 25.8%, Space 17.3%, Management 15.1%, Building 13.4%, Resource Management 10%
Why You'll Like It: It offers a detailed colony-sim experience where you must manage both the technical systems of your ship and the needs of your crew.
- #7 Planetbase
93% matchMostly Positive80% of 10,422 reviews2015
Dev: Madruga Works
Windows · Mac
Median: 8.1 hrsMean: 26.2 hrs≥1hr: 90%
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.
Why similar: Space 32.9%, Space Sim 12.9%, Management 12.6%, Building 12.1%, Strategy 11.8%
Why You'll Like It: This title focuses on the logistical challenges of building and maintaining a functional base in the harsh environment of space.
- #8 IXION
91% matchMostly Positive79% of 17,592 reviews2022
Dev: Bulwark StudiosPub: Kasedo Games
Windows
Median: 9.9 hrsMean: 30.7 hrs≥1hr: 90%
IXION is an unrelenting, city-building odyssey across the stars. As Administrator of the Tiqqun, DOLOS’ prototype space station, you are tasked with balancing preservation and exploration as you manage infrastructure, resources and crew. Can you keep the flame of humanity alight in the cold dark?
Why similar: Space 31.2%, Resource Management 15.8%, Building 15%, Strategy 10.3%, Management 8.4%
Why You'll Like It: It combines city-building and resource management with the high-stakes pressure of managing a space station's survival.
- #9 Juno: New Origins
89% matchVery Positive89% of 3,531 reviews2023
Dev: Jundroo, LLC
Windows · Mac
Median: 1.1 hrsMean: 13.6 hrs≥1hr: 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.
Why similar: Science 24.1%, Space Sim 23.3%, Education 15.7%, Building 11.7%, Space 11.4%
Why You'll Like It: It provides a deep, sandbox-style approach to rocket design and mission planning that appeals to the engineering side of space exploration.
- #10 Space Company Simulator
91% matchMostly Negative28% of 179 reviews2019
Dev: IntermarumPub: All in! Games
Windows
Take the position of a CEO of a space transport company and become a new major player in the industry. Space Company Simulator is a realistic management sim game that will challenge your planning skills as you strive to launch the first manned mission to Mars.
Why similar: Mars 27.3% ★, Space Sim 17.2%, Space 11.7%, Building 9.8%, Management 9.2%
Why You'll Like It: It puts you in the shoes of a space agency director, managing the business and technical aspects of launching missions.
- #11 Sol 0: Mars Colonization
90% matchMixed69% of 409 reviews2016
Dev: Chondrite Games
Windows · Mac · Linux
Median: 3.0 hrsMean: 6.9 hrs≥1hr: 74%
Sol 0 is a real time strategy game where you establish the first Martian colony. From the first human footprints on Martian soil to a thriving and self-sustaining colony, Sol 0 imagines a near future using technology that could be available within the next few decades.
Why similar: Mars 53.8% ★, Space 22.8%, Strategy 14%, Simulation 9.3%
Why You'll Like It: This strategy-focused game centers specifically on the initial phases of establishing a sustainable presence on Mars.
- #12 Farlanders
87% matchVery Positive90% of 591 reviews2023
Dev: Andrii BychkovskyiPub: Crytivo
Windows · Mac · Linux
Median: 2.1 hrsMean: 7.6 hrs≥1hr: 60%
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.
Why similar: Mars 35.5% ★, Turn-Based 16.2%, Space 12.4%, Management 9.8%, Building 9.6%
Why You'll Like It: This turn-based city builder emphasizes the strategic placement of infrastructure on a hostile alien world.
- #13 Take On Mars
89% matchMixed55% of 2,032 reviews2017
Dev: Bohemia Interactive
Windows
Median: 3.0 hrsMean: 10.8 hrs≥1hr: 87%
Take On Mars places you right in the middle of mankind’s most exciting undertaking. Start out in the seat of a rover operator, finish as the first human to have ever set foot on the Red Planet.
Why similar: Mars 35.9% ★, Science 14.5%, Space 14%, Space Sim 12.9%, Education 7%
Why You'll Like It: This simulation offers a realistic look at the challenges of exploring the Martian surface with rovers and landers.
- #14 Solargene
86% matchMostly Positive76% of 848 reviews2026
Dev: Alexander Semenov
Windows
Median: 4.2 hrsMean: 33.7 hrs≥1hr: 70%
Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions
Why similar: Space Sim 26.1%, Mars 22.1% ★, Management 12.1%, Space 11.8%, Building 11.1%
Why You'll Like It: It offers a comprehensive colony-building experience with a focus on resource management and base expansion.
- #15 Reshaping Mars
85% matchVery Positive84% of 832 reviews2023
Dev: TholusPub: Yooreka Studio
Windows
Median: 2.2 hrsMean: 18.4 hrs≥1hr: 62%
「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.
Why similar: Mars 37.3% ★, Space 13.3%, Building 13%, Management 10.3%, Resource Management 7.9%
Why You'll Like It: This simulation focuses on the long-term strategy of planetary development and resource extraction.
- #16 Stellar Settlers: Space Base Builder
84% matchMostly Positive70% of 832 reviews2025
Dev: Tinymice EntertainmentPub: Rogue Duck Interactive
Windows · Mac · Linux
Median: 2.4 hrsMean: 3.5 hrs≥1hr: 75%
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.
Why similar: Mars 34.1% ★, Space Sim 15.8%, Space 11%, Building 10.4%, Resource Management 9.3%
Why You'll Like It: It combines base-building with survival mechanics, requiring you to manage resources to keep your settlers alive.
- #17 Solar Expanse - Space Exploration Manager
83% matchVery Positive88% of 1,295 reviews2026
Dev: SpaceOpsPub: Games Operators
Windows
Median: 4.8 hrsMean: 14.7 hrs≥1hr: 77%
Explore the Solar System. Mine and drop asteroids. Colonize and terraform. Lead the space race and compete with other corporations on your way to profit. Watch the expansion of human race over the centuries.
Why similar: Science 21.5%, Space Sim 18.2%, Space 13.7%, Education 9.2%, Management 9.1%
Why You'll Like It: It focuses on the management of space exploration fleets and the logistics of deep-space operations.
- #18 Stable Orbit - Build your own space station
86% matchMixed50% of 381 reviews2017
Dev: Jim Offerman
Windows · Mac · Linux
Median: 48 minMean: 5.0 hrs≥1hr: 47%
Design, build and control your own space station. Mission command and control is in your hands and only careful planning and vigilant supervision will keep your crew and space station safe.
Why similar: Space Sim 24.3%, Space 19.1%, Management 16.1%, Building 14.6%, Resource Management 10.7%
Why You'll Like It: It focuses on the modular construction and life-support management required to keep a space station operational.
- #19 Terraformers
82% matchVery Positive88% of 3,737 reviews2023
Dev: Asteroid LabPub: Goblinz Publishing
Windows · Mac · Linux
Median: 3.4 hrsMean: 9.4 hrs≥1hr: 88%
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!
Why similar: Mars 29.5% ★, Science 17.7%, Turn-Based 13.4%, Space 10.2%, Management 8.5%
Why You'll Like It: A roguelike-inspired strategy game that focuses on the long-term goals of planetary exploration and terraforming.
- #20 Mars First Logistics
81% matchVery Positive95% of 3,744 reviews2025
Dev: Shape Shop
Windows
Median: 4.2 hrsMean: 10.4 hrs≥1hr: 80%
Build physically simulated rovers to transport awkwardly shaped cargo across the rugged terrain of Mars. Earn funds, unlock new parts, and use your ingenuity to help the Martians establish a new home. Playable solo or in online co-op!
Why similar: Mars 41% ★, Science 14.9%, Space Sim 14.2%, Building 7.3%, Stylized 6.1%
Why You'll Like It: It focuses on the logistical challenges of transporting supplies across the Martian landscape using custom-built vehicles.
- #21 orbit.industries
84% matchMixed60% of 91 reviews2022
Dev: LAB132Pub: Klabater
Windows · Linux
🚀 Become a Space Pioneer by building and managing a station of your own on the orbit of distant planets! Focus on design and management or fulfill objectives to progress. 🛰️ Explore, Build and Prosper!
Why similar: Space Sim 20.8%, Space 17.8%, Science 17.7%, Management 10.6%, Building 9.8%
Why You'll Like It: This game focuses on the industrial and economic management of space stations in orbit.
- #22 Space Mechanic Simulator
81% matchMixed64% of 121 reviews2023
Dev: Atomic JellyPub: Wildlands Interactive
Windows
Median: 3.4 hrsMean: 5.2 hrs≥1hr: 84%
Become a Space Mechanic! Get your hands dirty, explore the depths of space and repair broken machinery. Diagnose problems using diagrams and tools, perform repairs, manage your resources and watch the simulated machinery come alive. Or just gaze upon the beauty of the Solar System.
Why similar: Space Sim 22.6%, Science 20%, Mars 17.7% ★, Space 13.5%, Building 8.5%
Why You'll Like It: This game highlights the technical maintenance and repair work necessary to keep space equipment functional.
- #23 Surviving Mars: Relaunched
80% matchMixed54% of 2,116 reviews2025
Dev: Haemimont GamesPub: Paradox Interactive
Windows
Median: 14.3 hrsMean: 31.3 hrs≥1hr: 89%
The award-winning sci-fi city builder is back - remastered, expanded and even more stunning. Colonize Mars and survive the process, from exploration and infrastructure to welcoming colonists and achieving long-term stability. Are you ready? Mars is waiting.
Why similar: Mars 37.9% ★, Space 12.4%, Management 9.3%, Building 9%, Immersive Sim 8.7%
Why You'll Like It: This version provides a refined colony-building experience with additional content for managing Martian survival.
- #24 Tiny Space Academy
82% matchMixed64% of 55 reviews2021
Dev: Full Orbit Games LLC
Windows · Mac
Tiny Space Academy is a 2D space sim where you can grow your own space agency and explore our solar system with rockets you design! Learn basic orbital mechanics, run science experiments, and get your astronauts back to Earth safely.
Why similar: Space Sim 25.6%, Space 17.9%, Education 16.2%, Building 11.6%, Physics 8.7%
Why You'll Like It: A more casual, physics-based approach to managing a space agency and exploring the solar system.
- #25 SpaceCorp: 2025-2300AD
79% matchVery Positive83% of 72 reviews2025
Dev: Logix Interactive
Windows · Mac
Lead mankind's exploration into outer space! Build bases on the Moon and Mars, survey the rings of Saturn, and send generational Colony ships to Alpha Centauri, all in one sitting! SpaceCorp: 2025-2300 AD is a fast-playing, single-player, turn-based, sci-fi strategy game.
Why similar: Mars 25.9% ★, Science 16.3%, Education 12.3%, Space 10.5%, Alternate History 9.5%
Why You'll Like It: This board-game adaptation provides a strategic look at the expansion of human space exploration over several centuries.
- #26 Spaceflight Simulator
76% matchOverwhelmingly Positive97% of 9,683 reviews2022
Dev: Team Curiosity ✦
Windows · Mac
Median: 5.3 hrsMean: 15.2 hrs≥1hr: 83%
In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.
Why similar: Space Sim 33.3%, Science 24.4%, Space 18.7%, Building 6.8%, Exploration 5.7%
- #27 Rover Mechanic Simulator
78% matchMostly Positive76% of 667 reviews2020
Dev: ▲ Pyramid GamesPub: Pyramid Games S.A.
Windows
Median: 4.4 hrsMean: 5.8 hrs≥1hr: 93%
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.
Why similar: Mars 29% ★, Science 16.6%, Space Sim 15.6%, Education 13.1%, Space 10%
Why You'll Like It: It offers a detailed look at the maintenance of Mars rovers, appealing to those who enjoy the technical side of space missions.
- #28 Space Mechanic Simulator: Prologue
77% matchMostly Positive80% of 64 reviews2023
Dev: Atomic JellyPub: Wildlands Interactive
Windows
Space Mechanic Simulator: Prologue is a story prelude to the full version, which will introduce you to the world of cosmic repairs, greedy corporations, and cutting-edge technology.
Why similar: Mars 29.7% ★, Space Sim 17.9%, Science 9.4%, Space 9.3%, Education 8.7%
- #29 Rocket Science
78% matchVery Positive81% of 176 reviews2020
Dev: unbeGames
Windows
Take part in a space program. Design spacecrafts and send them off to explore the vast expanses of space. Experience the real scale of the Solar system and the size of its celestial bodies.
Why similar: Science 21.1%, Space Sim 19.7%, Space 13.4%, Education 13.4%, Building 10.3%
Why You'll Like It: It provides a sandbox experience centered on the building and testing of rockets in a space exploration context.
- #30 Reentry - A Space Flight Simulator
74% matchOverwhelmingly Positive97% of 1,351 reviews2025
Dev: Lyra Creative
Windows
Median: 2.2 hrsMean: 6.3 hrs≥1hr: 70%
Do you have what it takes to become an astronaut? Reentry is a realistic space flight simulator inspired by the early NASA space programs, from orbiting Earth in Mercury and Gemini, to the moon landing in project Apollo. Learn the procedures. Operate the spacecraft. Complete the mission.
Why similar: Space Sim 23.3%, Science 19.9%, Space 14.6%, Education 10.7%, Historical 9.8%
- #31 Satellite Command
79% matchMixed64% of 81 reviews2016
Dev: Stormtide
Windows
Satellite Command is a realistic, relaxing astrophysics simulator. Complete contracts with real data, launch and take control of ever more powerful Satellites, research advanced technology and build your Space Agency!
Why similar: Science 21.1%, Space Sim 19.9%, Education 15.9%, Space 12.6%, Management 9%
Why You'll Like It: This simulation focuses on the management of satellite networks and orbital debris.
- #32 Possible One: Lunar Industries
75% matchMixed68% of 56 reviews2026
Dev: Upstairs Games
Windows
Stake your claim in the first realistic lunar colony management game! Use proven, real-world technologies to plan and grow your colony, mine resources, ship them to Earth, and keep the board of directors happy in this science-based colony sim.
Why similar: Space Sim 26.8%, Science 20.5%, Space 11.5%, Building 10.7%, Management 10.5%
- #33 Terraforming Mars
77% matchMostly Positive71% of 7,232 reviews2018
Dev: Artefacts StudioPub: Twin Sails Interactive
Windows · Mac
Median: 3.2 hrsMean: 32.0 hrs≥1hr: 66%
The taming of the Red Planet has begun! Corporations are competing to transform Mars into a habitable planet by spending vast resources and using innovative technology to raise temperature, create a breathable atmosphere, and make oceans of water.
Why similar: Mars 42.6% ★, Turn-Based 19.4%, Space 15.4%, Management 10%, Strategy 6.9%
- #34 Imagine Earth
76% matchVery Positive82% of 967 reviews2021
Dev: Serious Bros.
Windows · Mac · Linux
Median: 2.9 hrsMean: 5.4 hrs≥1hr: 84%
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.
Why similar: Science 46.7%, Management 23.2%, Immersive Sim 19%, Strategy 11.1%
- #35 Marble Age: Remastered
74% matchVery Positive86% of 402 reviews2020
Dev: Clarus Victoria
Windows · Mac · Linux
Median: 3.1 hrsMean: 6.4 hrs≥1hr: 76%
Marble Age is a turn-based historical strategy where your task is to turn a small Ancient Greek village into a flourishing Polis, powerful enough to conquer the known world!
Why similar: Turn-Based 21.2%, Historical 17.1%, Building 13.3%, Management 13%, Education 12%
- #36 ΔV: Rings of Saturn
72% matchVery Positive93% of 3,449 reviews2023
Dev: Kodera Software
Windows · Mac · Linux
Median: 8.3 hrsMean: 11.7 hrs≥1hr: 85%
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.
Why similar: Space Sim 26.1%, Science 24.7%, Space 19.3%, Immersive Sim 9.8%, Physics 8.7%
- #37 Meeple Station
75% matchMixed57% of 954 reviews2020
Dev: Gameclaw StudioPub: Modularity
Windows · Mac · Linux
Median: 30 minMean: 10.4 hrs≥1hr: 39%
Build your way to success! Trade your way to the top! Explore your way to infamy! Do it all your way!
Why similar: Space Sim 22.6%, Space 18.2%, Building 13.1%, Management 13%, Resource Management 10%
- #38 Terraformers: First Steps on Mars
73% matchVery Positive89% of 703 reviews2021
Dev: Asteroid LabPub: Goblinz Publishing
Windows · Mac · Linux
Median: 1.0 hrsMean: 6.1 hrs≥1hr: 49%
Terraformers: First Steps on Mars is a free prologue of Terraformers, featuring an exclusive challenge to lead humanity's first attempt at settling the Red Planet.
Why similar: Mars 38.5% ★, Space Sim 22.6%, Management 10.9%, Resource Management 9.5%, Strategy 6.9%
- #39 1000 days to escape
73% matchVery Positive84% of 405 reviews2019
Dev: Lemon Squeezy
Windows
Median: 2.0 hrsMean: 3.3 hrs≥1hr: 77%
Only 1000 days left until the end of the world. You have to realize the largest space program ever to save as many people as you can. Explore planets, colonize them, help people find a new home.
Why similar: Space Sim 28.6%, Mars 26.2% ★, Space 22.1%, Science 16.9%, Simulation 5.2%
- #40 InfraSpace
71% matchMostly Positive80% of 1,954 reviews2023
Dev: Dionic Software
Windows · Mac
Median: 3.8 hrsMean: 21.2 hrs≥1hr: 69%
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.
Why similar: Science 28.2%, Space 19.3%, Building 14.8%, Management 14.8%, Resource Management 12.4%
- #41 Plan B: Terraform
69% matchVery Positive91% of 3,595 reviews2025
Dev: Gaddy Games
Windows
Median: 4.4 hrsMean: 11.2 hrs≥1hr: 81%
Terraform a lifeless rock into a lush and habitable world. Build trucks, trains, and sprawling factories on an enormous hexagonal planet. Grow its population to millions. Enjoy a dynamic simulation of atmosphere, temperature, water, and forests.
Why similar: Mars 47.6% ★, Management 14.6%, Resource Management 14.2%, Building 11.8%, Simulation 6.1%
- #42 Rover Builder
73% matchMixed68% of 81 reviews2022
Dev: Hatfuls GamesPub: PQube
Windows
Rover Builder is a 3D engineering sim tasking you to create the right rover to complete the job. Unleash your creativity in the garage, building vehicles using an impressive array of parts, materials and machinery. Or try your hand at level editor - creating entire missions and levels from scratch!
Why similar: Mars 35.4% ★, Science 22.9%, Space 12.7%, Building 11.8%, Physics 7.1%
- #43 Stationeers
71% matchVery Positive88% of 9,229 reviews2017
Dev: RocketWerkz
Windows
Median: 10.2 hrsMean: 85.3 hrs≥1hr: 85%
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!
Why similar: Science 27.5%, Space 15.5%, Management 13.4%, Building 13%, Logic 12%
- #44 Exogate Initiative
70% matchMostly Positive76% of 727 reviews2025
Dev: Xeno Bits
Windows
Build and manage mankind’s first mission across the universe! Create a sprawling facility underground, recruit a diverse group of specialists from around the globe and explore mysterious new worlds through the Exogate.
Why similar: Management 21.1%, Building 18.7%, Space 18.6%, Resource Management 15.2%, Strategy 9.6%
- #45 Stranded: Alien Dawn
70% matchVery Positive84% of 11,322 reviews2023
Dev: Haemimont GamesPub: Paradox Interactive
Windows
Median: 6.9 hrsMean: 24.2 hrs≥1hr: 87%
Brave a new world in Stranded: Alien Dawn, a planet survival sim placing the fate of a small marooned group in your hands. Forge your story through compelling and immersive strategic gameplay as you make vital decisions to protect your survivors.
Why similar: Management 24.5%, Strategy 17.1%, Resource Management 15.4%, Simulation 13.4%, Choices Matter 12.2%
- #46 The Universim
69% matchMostly Positive80% of 10,640 reviews2024
Dev: Crytivo
Windows · Mac · Linux
Median: 7.3 hrsMean: 34.0 hrs≥1hr: 89%
Jump straight into managing your own planets as you guide a civilization through the ages. Build the ultimate empire in The Universim, a new breed of God Game in development by Crytivo.
Why similar: Building 22.4%, Space 20.5%, Management 19.5%, Resource Management 9.8%, Science 9.7%
- #47 The Last Starship
68% matchMostly Positive75% of 1,688 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 6.1 hrsMean: 12.2 hrs≥1hr: 80%
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!
Why similar: Space Sim 26.7%, Science 18.7%, Space 15.9%, Building 12.6%, Management 9.6%
- #48 Astro Colony
67% matchVery Positive81% of 2,699 reviews2026
Dev: Terad Games
Windows
Median: 4.4 hrsMean: 16.2 hrs≥1hr: 78%
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.
Why similar: Space Sim 26.1%, Space 24.9%, Building 15.5%, Resource Management 15%, Strategy 7.6%
- #49 Aven Colony
70% matchMostly Positive72% of 2,779 reviews2017
Dev: Mothership Entertainment LLCPub: Team17 Digital Ltd
Windows
Median: 4.2 hrsMean: 8.1 hrs≥1hr: 90%
Build a new home for humanity in Aven Colony. Discover Aven Prime - an alien planet of deserts, tundras, and wetlands light years from earth. Build your colonies into massive, sprawling cities whilst dealing with the challenges faced when settling on a new world.
Why similar: Space 29.5%, Strategy 27.5%, Simulation 17.6%, Management 12.6%, Resource Management 10.5%
- #50 The Crust
67% matchMostly Positive77% of 3,724 reviews2024
Dev: VEOM StudioPub: Crytivo
Windows
Median: 6.9 hrsMean: 24.4 hrs≥1hr: 82%
Automate a lunar base as you become the savior of humanity exploring the future on the moon. Mine, craft, research, and trade resources with Earth in this gripping narrative basebuilder.
Why similar: Space 26.8%, Management 17.6%, Building 17%, Resource Management 16.7%, Strategy 8.4%
- #51 Final Upgrade
68% matchMostly Positive77% of 458 reviews2022
Dev: TaosX
Windows
Median: 4.2 hrsMean: 12.2 hrs≥1hr: 69%
Help humanity to spread throughout the cosmos by exploring new worlds, building space factories and setting up trade routes. Research advanced technologies to increase efficiency and unlock new paths of development. Fight off other artificial intelligences in your goal to reach the Final Upgrade!
Why similar: Space Sim 25.4%, Space 20.1%, Building 15.5%, Management 14.3%, Resource Management 11.9%
- #52 Workers & Resources: Soviet Republic
65% matchVery Positive91% of 27,069 reviews2024
Dev: 3DivisionPub: Hooded Horse
Windows
Median: 6.2 hrsMean: 71.3 hrs≥1hr: 76%
Build a soviet republic from an impoverished country into a rich industrial superpower in a city builder with intricate production chains and a fully simulated global economy. Manage the lives of your citizens from education to work and party loyalty to criminal activity.
Why similar: Historical 22%, Management 17.8%, Alternate History 17.1%, Building 16.3%, Resource Management 9.4%
- #53 Occupy Mars: The Game
66% matchMixed70% of 3,132 reviews2026
Dev: ▲ Pyramid Games
Windows
Median: 4.4 hrsMean: 34.1 hrs≥1hr: 78%
Survive and colonize Mars in a highly technical, open-world sandbox game. Build and upgrade your base, discover new regions, conduct mining operations, retrieve water, generate oxygen, grow crops, and fix broken parts.
Why similar: Mars 57.2% ★, Building 15.5%, Resource Management 13.4%, Exploration 7%, Simulation 5.5%
- #54 Mars or Die!
71% matchMixed53% of 74 reviews2018
Dev: 34BigThings srl
Windows
Median: 12 minMean: 11.7 hrs≥1hr: 37%
Control two characters simultaneously! Survive, gather, collect upgrades, fight all sizes of one-eyed Martians, build defensible outposts and conquer Mars, in this glorious mix between roguelite and tower defense.
Why similar: Mars 35.8% ★, Space Sim 17.7%, Space 11.9%, Management 9.2%, Building 8.8%
- #55 Industries of Titan
67% matchMixed62% of 1,618 reviews2023
Dev: Brace Yourself Games
Windows
Median: 5.4 hrsMean: 14.4 hrs≥1hr: 84%
Create a sprawling industrial city. Compete with other rival corporations on Titan for resources, territory, and power. Seek victory via technology, influence, warfare, or the wealth extracted from your citizens. Stake your claim to the Industries of Titan in this innovative sim/strategy game!
Why similar: Space Sim 30.4%, Space 17.4%, Building 15.5%, Resource Management 14.8%, Strategy 8.4%
- #56 StarbaseSim
66% matchVery Positive95% of 61 reviews2025
Dev: AshtorakSimGames
Windows · Linux
Operate the Starship space launch system and learn how to catch a rocket to understand what it takes to colonize Mars in this ever-evolving simulation of SpaceX Starbase Texas.
Why similar: Space Sim 36.3%, Education 17.5%, Immersive Sim 12.7%, Space 11.6%, Logic 9.9%
- #57 Horizon
69% matchMixed59% of 477 reviews2014
Dev: L3O Interactive
Windows
Median: 2.0 hrsMean: 5.0 hrs≥1hr: 92%
Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets.
Why similar: Turn-Based 34.1%, Space 31.4%, Strategy 13%, Exploration 9.9%, Simulation 9.1%