- #1 Space Haven
97% 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: Colony Sim 19.3%, Space Sim 14.5%, City Builder 12.4%, Base Building 11.4%, Building 7.2%
- #2 Planetbase
96% 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: Colony Sim 28%, City Builder 20.2%, Base Building 14.9%, Space 8.8%, Resource Management 5.2%
- #3 Solar Expanse - Space Exploration Manager
95% 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: Space Sim 25%, Space 13.2%, Sandbox 12.7%, Management 10.1%, Resource Management 9.7%
- #4 Per Aspera
96% 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: Colony Sim 16.7%, City Builder 12.8%, Mars 11% ★, Moddable 10.5% ★, Base Building 10.2%
- #5 IXION
94% 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: City Builder 21.9%, Colony Sim 21.6%, Space 11.6%, Base Building 11.5%, Resource Management 10.3%
- #6 InfraSpace
93% 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: City Builder 18.3%, Base Building 10.5%, Economy 10.4%, Moddable 10.4% ★, Resource Management 9.6%
- #7 Aven Colony
94% 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: Colony Sim 37.2%, City Builder 26.7%, Base Building 11.7%, Strategy 5%, Space 4.9%
- #8 Astro Colony
91% 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: Colony Sim 24.6%, Base Building 18.5%, Space Sim 15.2%, Resource Management 10.7%, Space 10.1%
- #9 Industries of Titan
92% 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: Colony Sim 17.3%, City Builder 14.3%, 4X 14.2% ★, Space Sim 13.8%, Base Building 9.5%
- #10 Dyson Sphere Program
91% matchOverwhelmingly Positive97% of 91,542 reviews2021
Dev: Youthcat StudioPub: Gamirror Games
Windows
Median: 13.0 hrsMean: 75.8 hrs≥1hr: 84%
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.
Why similar: Base Building 19.5%, Space 12.3%, City Builder 11.4%, Space Sim 11.2%, Resource Management 10.7%
- #11 The Crust
90% 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: Colony Sim 22.8%, Base Building 14.8%, City Builder 13.9%, Resource Management 9.7%, Space 8.8%
- #12 Exogate Initiative
89% 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: Colony Sim 16.9%, City Builder 14%, 4X 13% ★, Base Building 11.7%, Resource Management 8.1%
- #13 Captain of Industry
89% matchVery Positive90% of 11,469 reviews2022
Dev: MaFi Games
Windows
Median: 10.0 hrsMean: 84.9 hrs≥1hr: 81%
Build an industrial empire on a remote island. Mine resources, reshape terrain with excavators, grow food, construct factories, lay train tracks, and trade with the outside world. Research 100+ technologies to advance from basic metal smelting all the way to nuclear power and space flight.
Why similar: Base Building 20.3%, Resource Management 15.9%, Colony Sim 14.8%, City Builder 12.7%, Economy 12.2%
- #14 Stationeers
87% 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: Colony Sim 23.1%, Base Building 14.3%, Moddable 13.8% ★, Resource Management 9.7%, Building 9.5%
- #15 Surviving Mars: Relaunched
86% 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: Colony Sim 19.3%, City Builder 14.2%, Mars 12.4% ★, Moddable 8.3% ★, Economy 7.6%
- #16 Possible One: Lunar Industries
84% 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: Colony Sim 19%, Space Sim 16.9%, City Builder 14.5%, Base Building 7.8%, Economy 7.5%
- #17 orbit.industries
85% 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 20.2%, Space 12.1%, Moddable 10.7% ★, Resource Management 9.6%, Economy 9.4%
- #18 Mars Horizon
84% 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: Space Sim 26.1%, Mars 22.1% ★, Management 12.1%, Space 11.8%, Building 11.1%
- #19 Space Company Simulator
86% 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: Space Sim 17.1%, Base Building 13.2%, Mars 12.6% ★, Building 9.2%, Space 8.1%
- #20 Stardeus
82% matchVery Positive87% of 1,552 reviews2022
Dev: Kodo LinijaPub: Paradox Arc
Windows · Mac · Linux
Median: 8.7 hrsMean: 22.7 hrs≥1hr: 77%
Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation.
Why similar: Colony Sim 21.9%, Space Sim 16.1%, Base Building 12.8%, Moddable 10.6% ★, Resource Management 8.7%
- #21 Space Drilling Station
81% 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: Colony Sim 20.8%, Base Building 12%, City Builder 11.3%, Economy 8.8%, Resource Management 8.1%
- #22 Meeple Station
83% 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: Colony Sim 16.9%, Space Sim 13.4%, City Builder 11.2%, Base Building 11.2%, Moddable 10% ★
- #23 Occupy Mars: The Game
79% 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 20.2% ★, Base Building 18.6%, Moddable 14.5% ★, Resource Management 12.5%, Building 11.1%
- #24 Stellar Settlers: Space Base Builder
79% 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: Colony Sim 18.5%, City Builder 13.9%, Base Building 11%, Mars 10.6% ★, Space Sim 10.6%
- #25 Maia
82% matchMixed44% of 1,064 reviews2018
Dev: Simon RothPub: Machine Studios
Windows · Mac · Linux
Median: 30 minMean: 4.4 hrs≥1hr: 41%
Maia is a colony building game set in the not-so-distant future. Your colonists make planetfall on a hostile world and you must ensure their survival and their safety, constructing their off-world habitat from almost nothing and sheltering them from a dangerous, often deadly environment.
Why similar: Colony Sim 40.4%, Base Building 12.8%, Management 10.4%, Space 7.9%, Sci-fi 6.1%
- #26 Space Station Tycoon
80% matchMixed60% of 217 reviews2023
Dev: Lunheim Studios
Windows
Median: 3.0 hrsMean: 7.8 hrs≥1hr: 81%
Create a thriving space station in a lost sector. Face thrilling challenges head-on, from pirate raids to asteroid impacts, as you lead your company to new heights.
Why similar: Colony Sim 19.2%, Space Sim 15.3%, City Builder 14.7%, Base Building 10.2%, Economy 8.7%
- #27 Sol 0: Mars Colonization
81% 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 30.8% ★, Base Building 29.9%, Space 19.6%, Strategy 13.1%, Simulation 6.5%
- #28 X4: Foundations
78% matchMostly Positive80% of 30,013 reviews2018
Dev: Egosoft
Windows · Linux
Median: 5.0 hrsMean: 95.3 hrs≥1hr: 80%
Your journey to building a vast space empire begins behind the controls of a single ship. Explore, trade, fight, and build as you rise to command fleets, stations, and entire economies in a living, fully simulated universe that reacts to every decision.
Why similar: Space Sim 19.5%, 4X 16.5% ★, Moddable 12.8% ★, Economy 10.1%, Space 9%
- #29 Reshaping Mars
78% 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: Colony Sim 17.9%, 4X 13.6% ★, Base Building 12.8%, Mars 11.8% ★, Building 8.3%
- #30 The Universim
76% 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: Colony Sim 29%, City Builder 21.9%, Building 10.5%, Sandbox 10.3%, Management 7.8%
- #31 Space Architect
77% 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: Colony Sim 25.3%, Base Building 14.8%, Management 9.3%, Economy 9%, Building 9%
- #32 Farlanders
76% 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: Colony Sim 20.1%, City Builder 15.5%, Mars 14.3% ★, Base Building 11.9%, Resource Management 8.5%
- #33 Trappist
75% 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: Colony Sim 17.2%, Space Sim 15.2%, City Builder 13.2%, 4X 11.8% ★, Base Building 9.3%
- #34 The Final Earth 2
74% matchVery Positive97% of 424 reviews2022
Dev: Florian van Strien
Windows
The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony. Gather resources, then build and research your way to a better future! Grow your city from an exploration ship to a huge metropolis, full of advanced technology. What will you build?
Why similar: Colony Sim 18.9%, Space Sim 13.3%, Base Building 9.2%, Moddable 8.7% ★, City Builder 8.5%
- #35 Stable Orbit - Build your own space station
77% 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 15.2%, Colony Sim 13.5%, City Builder 10.8%, Building 8.7%, Space 8.3%
- #36 My Colony
75% matchVery Positive90% of 279 reviews2018
Dev: Ape Apps
Windows · Mac · Linux
Build, expand, and rule a growing space colony. Explore tech, trade, and multiplayer.
Why similar: Colony Sim 48.6%, City Builder 41.6%, Strategy 6%, Simulation 3.8%
- #37 Workers & Resources: Soviet Republic
71% 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: Colony Sim 17.5%, City Builder 15.5%, Base Building 11%, 4X 9% ★, Economy 8.9%
- #38 Imagine Earth
73% 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: Colony Sim 27.6%, City Builder 20.3%, Base Building 15.7%, Economy 12.4%, Sandbox 10.5%
- #39 Airport CEO
73% matchVery Positive83% of 8,330 reviews2021
Dev: Apog Labs
Windows · Mac
Median: 6.9 hrsMean: 27.1 hrs≥1hr: 72%
Build and manage an international airport!
Why similar: Moddable 14.9% ★, City Builder 12.6%, Resource Management 10.8%, Base Building 9.9%, Economy 9.2%
- #40 Terraformers
71% 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 29.8% ★, Resource Management 17.3%, Space 15.4%, Management 14.9%, Futuristic 10%
- #41 Stranded: Alien Dawn
71% 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: Base Building 30.8%, Colony Sim 30.7%, Management 9.7%, Resource Management 9.3%, Strategy 6.4%
- #42 Anno 2205™
73% matchMostly Positive70% of 6,333 reviews2015
Dev: Blue BytePub: Ubisoft
Windows
Median: 10.1 hrsMean: 54.3 hrs≥1hr: 89%
In Anno 2205™, you join humankind‘s next step into the future with the promise to build a better tomorrow. You conquer Earth, establishing rich, bustling cities and grand industrial complexes, but to secure the prosperity of your people, you must travel into space.
Why similar: City Builder 27.2%, 4X 16.3% ★, Economy 9.6%, Resource Management 6.7%, Space 6.3%
- #43 New Cycle
70% matchMostly Positive79% of 2,860 reviews2024
Dev: Core EngagePub: Daedalic Entertainment
Windows
Median: 4.3 hrsMean: 7.8 hrs≥1hr: 86%
New Cycle is a city building game with focus on survival. After an apocalyptic series of solar flares, human society has been thrown into disarray. Establish a settlement and develop it all the way from humble beginnings to industrial metropolis.
Why similar: Colony Sim 24.1%, City Builder 20.1%, Base Building 13.7%, Building 10.3%, Resource Management 9.4%
- #44 Microtopia
69% matchVery Positive87% of 966 reviews2025
Dev: Cordyceps CollectivePub: Goblinz Publishing
Windows
Median: 3.6 hrsMean: 8.5 hrs≥1hr: 79%
Become the hive mind of a robot ant colony in Microtopia! Use pheromone trails to create, automate and optimize supply chains for your ants to follow. Collect resources, produce goods, feed your queen, grow your colony and fly out to expand the species!
Why similar: Colony Sim 21.4%, City Builder 14.6%, Base Building 11.7%, Moddable 10.2% ★, Resource Management 8.9%
- #45 The Last Starship
69% 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 21.4%, Colony Sim 20.1%, Base Building 14%, Sandbox 9.5%, Building 9.5%
- #46 Generation Exile
70% matchMixed68% of 56 reviews2026
Dev: Sonderlust Studios
Windows
Rebuild settlements entirely within a colossal generation ship in this turn-based city builder. Expand your city, manage limited resources and optimize production chains as you navigate difficult choices about humanity’s future among the stars.
Why similar: Colony Sim 26.5%, City Builder 21.2%, Base Building 12.6%, Building 10.5%, Management 9.4%
- #47 Base One
74% 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: Space Sim 35.6%, Building 14.4%, Management 11.3%, Space 9.2%, Futuristic 7.9%
- #48 Plan B: Terraform
68% 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: Colony Sim 25.2%, Mars 15.1% ★, Base Building 13.7%, Resource Management 11.9%, Sandbox 9.8%
- #49 Starminer
68% matchMostly Positive73% of 1,858 reviews2026
Dev: CoolAndGoodGames
Windows
Median: 7.2 hrsMean: 20.1 hrs≥1hr: 81%
Design and build a massive interstellar fleet in this simulation sandbox. Strip space of its minerals for profit, but stay alert: your greed attracts the alien. Master deep base-building and deploy warships to protect your empire in immersive real-time space.
Why similar: Space Sim 26.9%, Economy 14.3%, Base Building 13%, Sandbox 11.9%, Space 10.4%
- #50 Space Colony: Steam Edition
72% matchVery Positive80% of 663 reviews2015
Dev: Firefly Studios
Windows
Median: 3.4 hrsMean: 5.1 hrs≥1hr: 88%
Space Colony: Steam Edition is a remaster of the real-time base builder and strategy game from Firefly Studios, creators of the Stronghold series. In Space Colony you colonize to survive, designing intergalactic bases that keep your crew productive, happy and defended against hostile alien threats.
Why similar: Colony Sim 19.1%, Space Sim 16.3%, City Builder 14.3%, Base Building 10.1%, Economy 7.6%
- #51 Project AURA
72% matchMixed64% of 698 reviews2018
Dev: Nexcentric Games
Windows
Median: 4.6 hrsMean: 8.1 hrs≥1hr: 82%
Project Aura is a micro management game where you lead a Colony of Climate Disaster Survivors. You have been assigned the mission to build an habitat capable of survival in this new unknown world.
Why similar: City Builder 24.5%, Resource Management 11.6%, Economy 10.7%, Management 10.4%, Building 9%
- #52 Outworld Station
67% matchVery Positive85% of 841 reviews2026
Dev: Trickjump Games Ltd
Windows
Median: 3.6 hrsMean: 10.6 hrs≥1hr: 68%
Take the helm as a new Station Commander and exploit an alien star system in this stunning space-station factory automation game. Amass resources and construct starships using increasingly advanced manufacturing and expand your station in a hostile universe.
Why similar: Base Building 25.2%, Space 15.8%, Sandbox 13.7%, Management 12.9%, Resource Management 11.5%
- #53 Drill Core
67% matchVery Positive85% of 2,444 reviews2025
Dev: Hungry Couch GamesPub: tinyBuild
Windows
Median: 5.7 hrsMean: 14.5 hrs≥1hr: 87%
Corporate greed meets strategic planet-mining in Drill Core! Drill to the heart of planets while managing workers, researching cutting-edge tech, and fortifying against alien attacks. Will you prioritize efficiency and risk your workers' safety, or focus on defense for survival?
Why similar: Colony Sim 29.3%, City Builder 18.6%, Base Building 14.3%, Sandbox 7.1%, Management 7%
- #54 EarthX
67% 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%, Colony Sim 22.6%, Base Building 14.4%, Space 11%, Management 10.8%
- #55 MegaFactory Titan
64% matchMostly Positive77% of 152 reviews2026
Dev: Q Switched Productions, LLC
Windows · Mac · Linux
A factory-building game. Survive a harsh climate, strip mine an infinite world, and build a sprawling factory, then trade or go to war with Colonists, Governments, Pirates, Rebels, and more!
Why similar: Mod 17% ★, City Builder 14.3%, Base Building 12.8%, Building 9.7%, Resource Management 9.6%
- #56 Starship Corporation
70% 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: Management 36.2%, Space 25.3%, Strategy 18.7%, Simulation 13.1%, Sci-fi 6.8%
- #57 Oxygen Not Included
63% matchOverwhelmingly Positive97% of 143,483 reviews2019
Dev: Klei Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 69.1 hrs≥1hr: 86%
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.
Why similar: Colony Sim 35.4%, Base Building 20.1%, Resource Management 11%, Building 8.3%, Management 6%
- #58 Moons of Ardan
66% matchVery Positive96% of 92 reviews2021
Dev: Pandora Technology
Windows
Embark on a space city-building adventure in Moons of Ardan! Develop a thriving civilization in a real-time planetary system. Oversee production chains, cater to the needs of your axonauts, recover their lost technologies, and navigate resource transportation.
Why similar: Colony Sim 25.5%, City Builder 19.8%, Economy 11.9%, Building 10.4%, Resource Management 9.2%
- #59 Farlight Explorers
68% matchMixed56% of 205 reviews2019
Dev: Farlight Games Industry
Windows
Median: 2.5 hrsMean: 3.5 hrs≥1hr: 72%
Extract and gather resources from different planets. Manage the supply of electricity, water, food and oxygen of your base in order to survive. Automate the creation of new products. Build a spaceship to transport your products to other places...
Why similar: Building 32.7%, Sandbox 30.3%, Space 19.6%, Strategy 11.3%, Simulation 6.1%