- #1 Terraforming Mars
97% 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 24% ★, Board Game 16.2%, Tabletop 12.7%, Space 9.8%, Grand Strategy 7.6% ★
- #2 Mars Horizon
96% matchVery Positive84% of 3,091 reviews2020
Dev: Auroch Digital
Windows · Mac
Median: 5.3 hrsMean: 9.2 hrs≥1hr: 93%
Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.
Why similar: Mars 25.9% ★, Science 16.3%, Education 12.3%, Space 10.5%, Alternate History 9.5%
- #3 Space Company Simulator
96% 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 32.3% ★, Space 15.8%, Base Building 14.8%, Strategy 9.6%, Building 9.5%
- #4 Terraformers
94% 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 27.6% ★, Science 18.5%, Board Game 15.1%, Space 10.9%, Turn-Based Strategy 10.7%
- #5 Solar Expanse - Space Exploration Manager
94% 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 29%, Space 18.9%, Education 12.2%, Sci-fi 9.3%, Management 8.1%
- #6 Sol 0: Mars Colonization
95% 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 44.8% ★, Space 21.6%, Base Building 19.1%, Strategy 14.5%
- #7 EarthX
92% 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: Grand Strategy 21.5% ★, Education 16.1%, Space 15.9%, Base Building 12.2%, Immersive Sim 10.4%
- #8 Solargene
91% 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: Mars 25.2% ★, Base Building 19.3%, Space 15.3%, Building 10.3%, Management 10.1%
- #9 Farlanders
90% 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 32.9% ★, Turn-Based Strategy 13.7%, Space 13.1%, Base Building 12.1%, Building 7.3%
- #10 Pax Nova
91% matchMixed56% of 452 reviews2020
Dev: Grey Wolf EntertainmentPub: Iceberg Interactive
Windows
Median: 4.2 hrsMean: 6.5 hrs≥1hr: 88%
A sci-fi turn-based 4X strategy game where you lead the fate of one of several factions divided between three races. Explore new worlds and new star systems filled with exciting secrets as well as dangers. Build cities, expand your influence and fight great battles on land and in space.
Why similar: Grand Strategy 27% ★, Turn-Based Strategy 17.6%, Space 14.9%, Sci-fi 10.5%, Strategy 8.4%
- #11 Reshaping Mars
89% 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 27.9% ★, Grand Strategy 19.2% ★, Base Building 13.3%, Space 11.3%, Building 7.9%
- #12 BlackChain
88% matchVery Positive86% of 123 reviews2021
Dev: Borington
Windows
A classic single-player RTS set in a Solar System ruled by megacorporations. Journey from Mars all the way to Planet 9 and uncover the secrets of the BlackChain.
Why similar: Mars 32.3% ★, Science 17%, Base Building 14.1%, Space 13.4%, Sci-fi 9.6%
- #13 Sid Meier's Starships
89% matchMixed50% of 2,474 reviews2015
Dev: Firaxis GamesPub: 2K
Windows · Mac
Median: 4.6 hrsMean: 7.5 hrs≥1hr: 87%
Build and command a fleet of starships and travel between planets as you explore, build, negotiate, and fight to preserve your vision for humanity.
Why similar: Space 36.5%, Turn-Based Strategy 29%, Strategy 17.7%, Sci-fi 16.8%
- #14 MechCorp
87% matchVery Positive80% of 75 reviews2018
Dev: k.Song Tan
Windows
MechCorp. is a turn-based-tactics/strategy game where you take command of a mercenary mech squadron in space. Decide which battles to fight and what contracts to pursue while managing every aspect of the squad including mech lineup, crew management, research and production.
Why similar: Strategy 47.2%, Sci-fi 29%, Management 23.8%
- #15 Exogate Initiative
85% 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: Base Building 22%, Space 18.4%, Sci-fi 13.5%, Management 13.5%, Building 13.3%
- #16 IMPACT
86% matchMixed56% of 62 reviews2024
Dev: Hochschule Darmstadt
Windows
IMPACT is an immersive sci-fi game set on the Moon. Build and manage a lunar base, generating valuable scientific data along the way. This data is used by the European Space Agency to train a real AI that will eventually land on the Moon.
Why similar: Science 27.8%, Space 16.4%, Base Building 12.3%, Strategy 7.9%, Exploration 7.4%
- #17 Per Aspera
84% 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 29.7% ★, Science 19%, Base Building 12.1%, Space 11.3%, Management 7.6%
- #18 Starship Corporation
86% matchMixed42% of 557 reviews2018
Dev: Coronado GamesPub: Iceberg Interactive
Windows
Median: 4.3 hrsMean: 9.7 hrs≥1hr: 89%
A sci-fi simulation game, in which players must design, assemble and test spaceships, in a bid to build a supreme Galactic Mega-Corporation. Gain your reputation by engineering and selling your own spacecraft, testing them to the limit in RTS missions and simulated emergency and combat situations.
Why similar: Space 34.6%, Management 27.6%, Strategy 25.7%, Sci-fi 12.1%
- #19 Surviving Mars: Relaunched
82% 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 32.2% ★, Space 12%, Immersive Sim 11.3%, Base Building 8%, Realistic 6.5%
- #20 MoonBase Commander
83% matchVery Positive90% of 182 reviews2014
Dev: Humongous EntertainmentPub: Rebellion
Windows
Median: 2.9 hrsMean: 4.7 hrs≥1hr: 94%
Explore. Strategize. Conquer.In the far future, Mankind has nearly exhausted all of earth’s natural resources. Fragile alliances between nations are tested to their limits as fierce wars ignite across land and space.MoonBase Commander puts you in charge of your own lunar territory in a quest to build the most powerful empire in space.
Why similar: Strategy 100%
- #21 Earth Space Colonies
84% matchMixed50% of 167 reviews2016
Dev: Persona and Pixel studio
Windows · Mac · Linux
Median: 3.0 hrsMean: 3.6 hrs≥1hr: 96%
Earth Space Colonies is a strategy-simulation game where you build space colonies around the Solar system. Establish a first self-sustaining colony on the Red planet with ultimate goal of terraforming Mars. Play three story campaigns all at once: terraform Mars, fight on Ceres and explore Ganymede.
Why similar: Space 61.2%, Strategy 38.8%
- #22 Terraformers: First Steps on Mars
81% 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 36% ★, Tabletop 16.8%, Turn-Based Strategy 14.1%, Sci-fi 9.8%, Strategy 8.1%
- #23 Possible One: Lunar Industries
79% 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: Science 26.1%, Space 14.9%, Base Building 13.2%, Building 10%, Strategy 9.5%
- #24 Interstellar Space: Genesis
80% matchVery Positive84% of 846 reviews2019
Dev: Praxis Games
Windows
Median: 1.7 hrsMean: 11.1 hrs≥1hr: 57%
Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!
Why similar: Grand Strategy 27.9% ★, Space 20.9%, Turn-Based Strategy 19.9%, Sci-fi 13.6%, Strategy 10.1%
- #25 Horizon
82% 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: Grand Strategy 35.6% ★, Space 20%, Turn-Based Strategy 15.7%, Sci-fi 12.1%, Strategy 9.1%
- #26 Nexus 5X
78% matchVery Positive91% of 940 reviews2024
Dev: Whatboy GamesPub: Paradox Arc
Windows
Median: 2.3 hrsMean: 5.4 hrs≥1hr: 68%
eXplore, eXpand, eXploit, eXterminate, EXPRESS. All of the depth, diplomacy, conflict and conquest of a turn-based 4X epic but played in fast-paced 60-minute competitive sessions. Play Solo or Multiplayer for 2-8 players.
Why similar: Board Game 20.6%, Tabletop 17.8%, Science 17.8%, Turn-Based Strategy 11.3%, Space 10.2%
- #27 The Last Starship
77% 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: Science 19.1%, Space 16.6%, Base Building 15.2%, Sci-fi 10.5%, Building 9.4%
- #28 Satellite Command
81% 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 30.7%, Education 22.7%, Space 18.6%, Immersive Sim 12.8%, Management 8.6%
- #29 Solar Settlers
79% matchVery Positive95% of 314 reviews2017
Dev: BrainGoodGames
Windows · Mac · Linux
Solar Settlers is a card-driven space exploration strategy game set in the far future. Our sun is on the verge of collapse and so mankind has taken to the stars aboard colony ships to seek out a new home.
Why similar: Board Game 29.6%, Strategy 22.8%, Space 18.8%, Turn-Based Strategy 17.8%, Sci-fi 11%
- #30 Starport Delta
78% matchMostly Positive72% of 75 reviews2020
Dev: Cloudfire Studios
Windows
Build amongst the stars in Starport Delta, a light sci-fi strategy game that focuses on survival. Station Commanders across the universe will turn to you for guidance to expand, defend, and survive. Help them build a thriving station, but watch out, there are many dangers hiding in space...
Why similar: Strategy 27.7%, Space 24.6%, Base Building 21.8%, Sci-fi 14%, Building 11.8%
- #31 Rocket Science
77% 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 28.4%, Space 18.3%, Education 17.7%, Building 10.2%, Realistic 7.8%
- #32 Citizens: On Mars - Prologue
76% matchMostly Positive73% of 74 reviews2023
Dev: Redkar LimitedPub: CreativeForge Games
Windows
Experience the ultimate turn-based colony building game in Citizens: On Mars - Prologue! As the leader of a fledgling Martian settlement, your mission is to develop a thriving colony amidst the harsh and unforgiving environment of the Red Planet.
Why similar: Strategy 31.9%, Space 20.6%, Base Building 19%, Sci-fi 15.4%, Top-Down 13.2%
- #33 Space Drilling Station
73% matchVery Positive92% of 84 reviews2026
Dev: Ayota GamesPub: Abiding Bridge
Windows
In Space Drilling Station, manage a drilling station on a distant planet. Build a multi-level vertical structure to produce and manage your resources and staff, in order to dominate the competition!
Why similar: Base Building 22.4%, Space 21.4%, Sci-fi 15.2%, Management 13.1%, Building 12.3%
- #34 Space Architect
74% matchMostly Positive75% of 300 reviews2024
Dev: Albert WiatrPub: PlayWay S.A.
Windows
Design your dream space station in Space Architect! Master the power of automation or 'hire' an army of crewmates to handle your ever-growing production. Mine asteroids, fabricate goods, and engage in interstellar trade to pay off the menacing Big Evil Corp. Will you thrive in the vastness of space?
Why similar: Science 21.6%, Base Building 17.7%, Space 12.6%, Sci-fi 10.9%, Management 10.6%
- #35 Utopia Colony
73% matchMixed65% of 113 reviews2026
Dev: GridSky StudiosPub: Geelix Entertainment
Windows
The year is 2033. You, an ex-Marine with little opportunities left, have signed up with Utopia Arura, a large mining corporation on Mars. They have sent you to a location they have proposed but you have chosen for mining. Everything else is up to you.
Why similar: Mars 43.5% ★, Space 17.2%, Base Building 12.8%, Sci-fi 9.7%, Nature 5.8%
- #36 Astro Protocol
73% matchVery Positive94% of 65 reviews2026
Dev: Null Vector Studios
Windows · Mac · Linux
Astro Protocol is a high-stakes, turn-based 4X space strategy game distilled into intense one-hour matches. Six factions, randomized maps, tech trees, and anomalies ensure every run is unique. Victories are earned against challenging opponents that play to win.
Why similar: Grand Strategy 26.6% ★, Turn-Based Strategy 16.7%, Space 15%, Board Game 11.7%, Base Building 11.2%
- #37 Buzz Aldrin's Space Program Manager
75% 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 46%, Strategy 24.6%, Management 17.8%, Turn-Based Strategy 11.6%
- #38 Base One
75% matchMostly Negative37% of 478 reviews2021
Dev: PixFrozePub: Blowfish Studios
Windows · Mac
Base One is a space base builder game where you take control of a network of space stations and its crew's tasks and wellbeing. Maintain your resources and defenses as you navigate the wide array of dangers ahead of you!
Why similar: Science 25.9%, Space 14.1%, Building 11.8%, Realistic 10.4%, Management 9.7%
- #39 Take On Mars
74% 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 40.1% ★, Science 18%, Space 17.8%, Education 8.7%, Exploration 6%
- #40 Red Planet Farming
71% matchOverwhelmingly Positive96% of 888 reviews2020
Dev: Nina Demirjian
Windows · Mac · Linux
Become the first Agricultural Director of Mars in Red Planet Farming! This casual strategy game tasks players with producing enough food to feed a growing population of settlers on the red planet.
Why similar: Mars 50.6% ★, Strategy 23.6%, Sci-fi 20.4%, Management 5.4%
- #41 Space Mechanic Simulator
72% 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: Science 25.1%, Mars 19.9% ★, Space 17.3%, Immersive Sim 13.2%, Sci-fi 9.1%
- #42 Sid Meier's Civilization®: Beyond Earth™
72% matchMixed61% of 23,137 reviews2014
Dev: Firaxis GamesPub: 2K
Windows · Mac · Linux
Median: 7.9 hrsMean: 29.6 hrs≥1hr: 92%
Sid Meier’s Civilization: Beyond Earth is a new science-fiction-themed entry into the award winning Civilization series. As part of an expedition sent to find a home beyond Earth, lead your people into a new frontier, explore and colonize an alien planet and create a new civilization in space.
Why similar: Turn-Based Strategy 30%, Space 19.3%, Grand Strategy 17.2% ★, Sci-fi 15.8%, Strategy 14.3%
- #43 Trappist
70% matchVery Positive90% of 72 reviews2024
Dev: Sirrah
Windows · Mac · Linux
Welcome to Trappist-1, 40.7 light-years from Earth. Fly your Ark, a colossal spaceship and mobile base. Explore the solar system and establish thriving colonies. Uncover the mysteries of Trappist in this story-driven colony builder.
Why similar: Space 27%, Base Building 25.3%, Building 17.5%, Sci-fi 11.9%, Strategy 10.3%
- #44 The Crust
68% 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 25.6%, Base Building 24.8%, Building 11.7%, Sci-fi 11.1%, Management 10.8%
- #45 Space Haven
66% 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 22.4%, Base Building 21.8%, Sci-fi 13.1%, Management 12.6%, Building 12.5%
- #46 Titan Outpost
71% matchMostly Positive80% of 99 reviews2019
Dev: The Boar Studio
Windows · Mac · Linux
Titan Outpost is a hard science fiction role-playing game in which you must build a base, manage its crew, develop your character's skills and attributes, and explore Saturn's sixth moon, uncovering its mysteries and harvesting its resources.
Why similar: Space 43.3%, Base Building 28.9%, Sci-fi 27.8%
- #47 orbit.industries
71% 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 26.3%, Science 25.7%, Immersive Sim 13.4%, Building 10.4%, Management 10%
- #48 Final Upgrade
69% 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 26.5%, Base Building 23.7%, Building 14.7%, Sci-fi 14.2%, Management 12.2%
- #49 Meeple Station
70% 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 24.6%, Base Building 21.1%, Immersive Sim 16.3%, Building 12.7%, Management 11.3%
- #50 ENDLESS Space™ - Definitive Edition
69% matchVery Positive81% of 9,603 reviews2012
Dev: AMPLITUDE Studios
Windows · Mac
Median: 4.5 hrsMean: 13.5 hrs≥1hr: 87%
ENDLESS Space™ is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS Universe™, where you can control every aspect of your civilization as you strive for galactic domination.
Why similar: Space 29.1%, Strategy 22.9%, Turn-Based Strategy 21.4%, Sci-fi 14%, Grand Strategy 8.3% ★
- #51 Mercury Fallen
68% matchMostly Positive78% of 318 reviews2023
Dev: Nitrous ButterflyPub: indie.io
Windows · Mac
Median: 3.2 hrsMean: 5.2 hrs≥1hr: 86%
A sci-fi colony management sim with a focus on exploration, expansion, and survival. Rebuild your underground facility, manage colonists and robots, and uncover the mysteries of an alien world light-years from Earth. Dig deep, expand across the surface, and shape your new home.
Why similar: Science 24.7%, Base Building 15.9%, Space 14.6%, Sci-fi 11.8%, Management 10.1%
- #52 Surviving Ceres
65% matchVery Positive87% of 139 reviews2025
Dev: Ryan SaundersPub: One Man Media
Windows
Explore a handcrafted survival game with an emphasis on crafting and base building. Export manufactured goods to earn funding, manage colonists, defend against hostile aliens, and work towards terraforming Ceres from a frozen ball of ice to a tropical paradise.
Why similar: Base Building 24.8%, Building 17.8%, Management 14.4%, Immersive Sim 12.8%, Sci-fi 12.3%
- #53 Starship Theory
66% matchMixed50% of 1,130 reviews2026
Dev: Reconnect Software
Windows · Mac · Linux
Median: 7.0 hrsMean: 14.9 hrs≥1hr: 75%
Starship Theory is a ship building survival game. Mine and trade to gather resources. Plan and construct new upgrades. Train and manage crew. Fight to survive.
Why similar: Base Building 29%, Space 26.4%, Sci-fi 11.9%, Strategy 11.8%, Management 10.8%
- #54 Planetbase
67% 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 31.3%, Base Building 30.5%, Strategy 12.3%, Sci-fi 10%, Building 8.3%
- #55 Offworld Trading Company
67% matchMostly Positive77% of 5,704 reviews2016
Dev: Mohawk GamesPub: Stardock Entertainment
Windows · Mac
Median: 3.6 hrsMean: 35.3 hrs≥1hr: 89%
Mars has been colonized, and Earth's corporate titans fight to dominate this new market. Competition is fierce in this fast-paced economic RTS from Civilization IV Lead Designer, Soren Johnson.
Why similar: Space 22.2%, Base Building 20%, Sci-fi 19.6%, Management 14.2%, Strategy 13.2%
- #56 Stellar Monarch
68% matchVery Positive80% of 227 reviews2016
Dev: Silver Lemur Games
Windows
Median: 4.4 hrsMean: 7.8 hrs≥1hr: 83%
Asymmetric space empire builder where you feel like the Emperor, not a logistics officer. No micromanagement, grand scale, fast paced, audiences, assassins, imperial court, disloyal admirals.
Why similar: Grand Strategy 35.5% ★, Turn-Based Strategy 18.1%, Space 17.3%, Sci-fi 11.7%, Management 8.5%
- #57 Ancient Space
70% matchMixed44% of 370 reviews2014
Dev: CreativeForge GamesPub: Paradox Interactive
Windows · Mac
Median: 4.4 hrsMean: 5.1 hrs≥1hr: 89%
Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.
Why similar: Space 48.4%, Strategy 26.6%, Sci-fi 18.1%, Realistic 3.9%, Exploration 3.1%
- #58 Star Traders: 4X Empires
69% matchMixed63% of 82 reviews2014
Dev: Trese Brothers
Windows · Mac · Linux
Median: 1.6 hrsMean: 2.8 hrs≥1hr: 94%
Take command of humanity’s last survivors and rebuild an empire in the stars. In this immersive turn-based strategy game, you will have to fight to protect your people, control rival factions, and unlock lost technology.
Why similar: Grand Strategy 25.6% ★, Turn-Based Strategy 17.6%, Space 13.7%, Sci-fi 11.1%, Building 8.4%