- #1 Stranded: Alien Dawn
97% matchVery Positive84% of 11,043 reviews2023
Dev: Haemimont GamesPub: Paradox Interactive
Windows
Median: 7.0 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: Colony Sim 21.5%, Base Building 21.4%, Survival 15.1%, Crafting 10%, Management 8.6%
Why You'll Like It: A 3D survival colony sim that captures the same feeling of building a home on a hostile alien planet.
- #2 RimWorld
96% matchOverwhelmingly Positive98% of 239,676 reviews2018
Dev: Ludeon Studios
Windows · Mac · Linux
Median: 59.8 hrsMean: 262.8 hrs≥1hr: 92%
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
Why similar: Colony Sim 30.8%, Base Building 17.7%, Survival 11%, Management 9.9%, Building 7.5%
Why You'll Like It: The gold standard for colony management, offering deep simulation, emergent storytelling, and complex survival mechanics.
- #3 Oxygen Not Included
96% matchOverwhelmingly Positive97% of 140,434 reviews2019
Dev: Klei Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 68.0 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 35.2%, Base Building 19.9%, Survival 12.6%, Building 9.7%, Management 7.4%
Why You'll Like It: Focuses heavily on underground resource management and survival in a challenging, sci-fi environment.
- #4 Space Haven
95% matchVery Positive86% of 10,442 reviews2026
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 19.9 hrs≥1hr: 72%
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 24.3%, Base Building 14.3%, Management 10.8%, Building 10.6%, Survival 9.7%
Why You'll Like It: Combines colony management with space-faring survival, requiring careful ship design and resource balancing.
- #5 Dwarf Fortress
94% matchVery Positive95% of 31,055 reviews2022
Dev: Bay 12 GamesPub: Kitfox Games
Windows · Linux
Median: 5.5 hrsMean: 38.6 hrs≥1hr: 78%
Build a fortress and try to help your dwarves survive against a deeply generated world. Keep your dwarves happy, grow their community and beware of digging too deeply. The deepest, most intricate simulation of a world that's ever been created.
Why similar: Colony Sim 28.6%, Base Building 17%, Building 13.7%, Management 13.5%, Survival 11.8%
Why You'll Like It: The depth of its underground simulation and complex building mechanics makes it a perfect match for fans of subterranean colony management.
- #6 Going Medieval
91% matchVery Positive89% of 20,881 reviews2026
Dev: Foxy VoxelPub: Mythwright
Windows
Median: 7.9 hrsMean: 31.6 hrs≥1hr: 83%
Build and manage your own castle settlement in a land reclaimed by wilderness. With detailed management, survival strategy, and a moddable sandbox world, Going Medieval challenges you to build the mightiest colony this side of the apocalypse.
Why similar: Colony Sim 26.3%, Base Building 15.6%, Management 12.2%, Procedural Generation 11%, Survival 10.8%
Why You'll Like It: Offers 3D colony building with a strong emphasis on verticality and structural integrity.
- #7 Planetbase
93% matchMostly Positive80% of 10,320 reviews2015
Dev: Madruga Works
Windows · Mac
Median: 8.2 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 33.2%, Base Building 17.7%, Space 12.1%, Survival 10.4%, Building 6.1%
Why You'll Like It: A classic sci-fi colony builder where you manage a base on a remote planet, focusing on resource chains and survival.
- #8 Aven Colony
92% matchMostly Positive72% of 2,747 reviews2017
Dev: Mothership Entertainment LLCPub: Team17 Digital Ltd
Windows
Median: 4.2 hrsMean: 8.2 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 45.9%, Base Building 14.4%, Sci-fi 11.1%, Space 7%, Strategy 6.5%
Why You'll Like It: Provides a polished sci-fi city-builder experience on an alien world with unique environmental challenges.
- #9 Stardeus
91% matchVery Positive87% of 1,534 reviews2022
Dev: Kodo LinijaPub: Paradox Arc
Windows · Mac · Linux
Median: 9.0 hrsMean: 22.6 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 22.9%, Base Building 13.3%, Space 9.4%, Survival 9.1%, Crafting 8.6%
Why You'll Like It: A deep sci-fi colony management game that involves repairing a massive ship and managing complex automated systems.
- #10 IXION
89% matchMostly Positive79% of 17,230 reviews2022
Dev: Bulwark StudiosPub: Kasedo Games
Windows
Median: 10.1 hrsMean: 30.9 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: Colony Sim 26.3%, Space 16.4%, Base Building 14%, Survival 13%, Building 10.8%
Why You'll Like It: Focuses on space station management and exploration, mirroring the sci-fi facility-building aspects of Mercury Fallen.
- #11 Hammerting
90% matchMixed57% of 2,582 reviews2021
Dev: Warpzone StudiosPub: Team17 Digital
Windows
Median: 3.7 hrsMean: 7.6 hrs≥1hr: 87%
Manage a Dwarven mining colony in the unexplored mountains of Mara. As conflict rages in the Overworld, you will need to craft, explore and fight as you provide the allies of your choice with the finest weapons and gear to assist them in the battle for glory.
Why similar: Colony Sim 21.8%, Mining 19.2% ★, Base Building 12.8%, Management 9.8%, Building 9.7%
Why You'll Like It: A subterranean mining and colony management game that shares the underground focus of Mercury Fallen.
- #12 Frostpunk
89% matchVery Positive93% of 134,607 reviews2018
Dev: 11 bit studios
Windows · Mac
Median: 6.2 hrsMean: 22.3 hrs≥1hr: 87%
Frostpunk is the first society survival game. As the ruler of the last city on Earth, it is your duty to manage both its citizens and infrastructure. What decisions will you make to ensure your society's survival? What will you do when pushed to breaking point? Who will you become in the process?
Why similar: Colony Sim 36.1%, Survival 20.3%, Building 12.3%, Base Building 11.6%, Management 8%
Why You'll Like It: A high-stakes survival management game that forces players to make difficult decisions to keep their colony alive in extreme conditions.
- #13 CryoFall
88% matchMostly Positive78% of 6,430 reviews2021
Dev: AtomicTorch StudioPub: Daedalic Entertainment
Windows
Median: 5.0 hrsMean: 16.4 hrs≥1hr: 88%
CryoFall is a sci-fi colony simulation survival game set on a forgotten planet in a distant future. Master technology, agriculture, trading, industry, cybernetics, exploration, and more!
Why similar: Colony Sim 23%, Mining 19.7% ★, Base Building 13%, Building 9.9%, Crafting 9.6%
Why You'll Like It: A sci-fi survival game that features base-building and technology progression in an isometric perspective.
- #14 Timberborn
85% matchOverwhelmingly Positive96% of 39,576 reviews2026
Dev: Mechanistry
Windows · Mac
Median: 10.2 hrsMean: 42.2 hrs≥1hr: 84%
Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A sandbox city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.
Why similar: Colony Sim 26.3%, Science 17.5%, Base Building 13.6%, Building 11.4%, Management 11.1%
Why You'll Like It: Features innovative vertical building and water management mechanics that reward creative base design.
- #15 Surviving Ceres
86% matchVery Positive87% of 138 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: Colony Sim 23.6%, Base Building 12.9%, Building 11.8%, Survival 10.9%, Crafting 10.5%
Why You'll Like It: A sci-fi survival and building game that tasks you with managing a colony on a remote asteroid.
- #16 After the Collapse
86% matchMostly Positive78% of 209 reviews2022
Dev: Anarkis Gaming
Windows
ATC is a base building game set in a post-apocalyptic world featuring urban environments. Build a base across several layers with dozens of survivors. Fight other factions for the control of the remaining production centers and explore the world to find long forgotten resources and technologies.
Why similar: Colony Sim 28%, Base Building 16.1%, Management 11.7%, Survival 10.9%, Procedural Generation 10%
Why You'll Like It: A post-apocalyptic colony sim that emphasizes base-building and survival against environmental threats.
- #17 Unclaimed World
87% matchMixed50% of 216 reviews2016
Dev: Refactored Games
Windows
Median: 4.2 hrsMean: 5.4 hrs≥1hr: 94%
Manage interstellar pioneers and their descendants in this detailed sci-fi colony sim. Centuries after planetfall, colonists are still struggling to gain foothold on their lush and alien planet. You settle on the frontier by carefully managing resources, production and different personalities.
Why similar: Simulation 31.6%, Strategy 26.2%, Survival 23.4%, Sci-fi 18.8%
Why You'll Like It: A simulation-heavy colony game that focuses on the challenges of settling a new, alien planet.
- #18 Starmancer
84% matchMixed63% of 1,034 reviews2021
Dev: Ominux GamesPub: Chucklefish
Windows · Mac · Linux
Median: 1.6 hrsMean: 6.7 hrs≥1hr: 65%
From a small 2-man team comes a unique space station management sim. Take on the role of an A.I commanding a lost space ark. Try not to let your crew run amok and wreck the place.
Why similar: Colony Sim 21.8%, Isometric 11.7%, Management 10.9%, Base Building 10.2%, Building 9.8%
Why You'll Like It: Allows you to manage a space station and its inhabitants with a focus on atmospheric sci-fi storytelling.
- #19 Clanfolk
82% matchVery Positive92% of 3,845 reviews2022
Dev: MinMax Games Ltd.Pub: Hooded Horse
Windows
Median: 3.6 hrsMean: 18.1 hrs≥1hr: 67%
Clanfolk is a colony sim set in the Scottish Highlands. Harness your environment to survive - fish, gather, hunt, and farm as you prepare for the winter. Build an inn, trade with other clans, have children and marry them off - live life and prosper across the generations.
Why similar: Colony Sim 43.3%, Building 21.6%, Crafting 19.5%, Simulation 8.6%, Casual 4.5%
Why You'll Like It: A survival-focused colony sim that emphasizes managing the needs of your people against a harsh, changing environment.
- #20 Judgment: Apocalypse Survival Simulation
84% matchVery Positive81% of 2,253 reviews2018
Dev: Suncrash
Windows
Median: 4.7 hrsMean: 25.2 hrs≥1hr: 87%
Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?
Why similar: Colony Sim 31.7%, Base Building 17.4%, Survival 12.9%, Crafting 7.1%, Building 6.6%
Why You'll Like It: Focuses on building a base and managing survivors in a dangerous, post-apocalyptic setting.
- #21 Noble Fates
82% matchVery Positive83% of 1,471 reviews2021
Dev: Xobermon, LLC
Windows
Median: 3.5 hrsMean: 12.5 hrs≥1hr: 72%
Harness your Demigod powers to lead a group from rags to riches in this 3D Fantasy Kingdom Management Sim with RPG elements. Command from the sky or take control in 3rd Person to BUILD, BATTLE, and RULE. Navigate a world of interesting Nobles, earn their respect, and decide their Fates.
Why similar: Colony Sim 29.4%, Base Building 16.3%, Management 11.7%, Building 11.6%, Procedural Generation 10%
Why You'll Like It: Combines colony management with RPG elements, allowing for deep interaction with your colonists.
- #22 Against the Storm
79% matchVery Positive95% of 35,994 reviews2023
Dev: Eremite GamesPub: Hooded Horse
Windows
Median: 5.5 hrsMean: 28.3 hrs≥1hr: 84%
A dark fantasy city builder where you must rebuild civilization in the face of apocalyptic rains. As the Queen’s Viceroy, lead humans, beavers, lizards, foxes, and harpies to reclaim the wilderness and secure a future for civilization's last survivors.
Why similar: Colony Sim 29.2%, Base Building 18.1%, Building 14.2%, Management 14.1%, Survival 11.8%
Why You'll Like It: A roguelite city-builder that emphasizes rapid expansion and resource management in a fantasy world.
- #23 Rise to Ruins
80% matchVery Positive88% of 7,745 reviews2019
Dev: Raymond DoerrPub: SixtyGig Games
Windows · Mac · Linux
Median: 4.7 hrsMean: 16.7 hrs≥1hr: 83%
A brutal godlike village sim that melds the god game, management, and tower defense genres! Fight off hoards of monsters at night, and expand your village in the day time. Inspired by games like Black and White, Rimworld, and Dwarf Fortress but not quite like any of them.
Why similar: Colony Sim 51.1%, Base Building 19.7%, Survival 15.7%, Strategy 6.9%, Simulation 5.5%
Why You'll Like It: A unique blend of god-game, city-builder, and survival mechanics that keeps the pressure high.
- #24 Meeple Station
81% matchMixed57% of 947 reviews2020
Dev: Gameclaw StudioPub: Modularity
Windows · Mac · Linux
Median: 30 minMean: 9.3 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 19.5%, Isometric 14.6%, Base Building 12.9%, Space 9.9%, Building 9.9%
Why You'll Like It: A space station management sim that emphasizes building and maintaining complex systems in a dangerous environment.
- #25 Facteroids
79% matchVery Positive80% of 87 reviews2023
Dev: by Jan Zizka
Windows
Facteroids is a 3D factory building game about asteroid mining in space. Prospect, mine and manage your production lines in a variety of scenarios and procedurally generated worlds across the entire Solar system.
Why similar: Colony Sim 19.1%, Mining 18.7% ★, Base Building 15.2%, Building 11.2%, Procedural Generation 7%
Why You'll Like It: Focuses on automation and resource management in a space-based, voxel-style environment.
- #26 Spacebase DF-9
83% matchOverwhelmingly Negative18% of 4,327 reviews2014
Dev: Double Fine Productions
Windows · Mac · Linux
Median: 3.2 hrsMean: 4.9 hrs≥1hr: 90%
In Spacebase DF-9, you'll build a home among the stars for a motley population of humans and aliens as they go about their daily lives. Mine asteroids, discover derelicts, and deal with the tribulations of galactic resettlement in Earth's distant future.
Why similar: Base Building 21.6%, Space 17.7%, Sci-fi 12.7%, Building 11.6%, Simulation 8.4%
Why You'll Like It: A classic space-based colony management game that shares the core facility-building loop.
- #27 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 22.3%, Base Building 16%, Building 12.1%, Space 9.1%, Futuristic 8.9%
Why You'll Like It: A strategy-heavy colony builder that focuses on the terraforming and expansion aspects of Mars colonization.
- #28 The Spatials
81% matchMixed69% of 329 reviews2015
Dev: Weird and Wry
Windows · Mac · Linux
Median: 3.2 hrsMean: 5.1 hrs≥1hr: 89%
It's the year 5781 -- and you have been chosen to build and lead a space station in a wild corner of the galaxy! Attract visitors and explore hundreds of planets to fund your station.
Why similar: Base Building 14.9%, Management 13.4%, Isometric 12.9%, Space 11.7%, Building 10.3%
Why You'll Like It: A sci-fi management game that blends base-building with exploration and RPG elements.
- #29 Space Architect
78% matchMostly Positive76% of 288 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 20.5%, Base Building 12%, Mining 11.5% ★, Science 10.8%, Management 9.4%
Why You'll Like It: A dedicated base-building game that allows for detailed design and management of space facilities.
- #30 Exogate Initiative
76% matchMostly Positive76% of 707 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 22.1%, Base Building 15.2%, Management 12.1%, Building 11.8%, Space 8.5%
- #31 Farlanders
76% matchVery Positive91% of 576 reviews2023
Dev: Andriy BychkovskyiPub: Crytivo
Windows · Mac · Linux
Median: 2.2 hrsMean: 7.8 hrs≥1hr: 61%
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 23.4%, Base Building 13.8%, Building 10.6%, Space 10%, Management 9.9%
- #32 Stellar Settlers: Space Base Builder
75% matchMostly Positive71% of 823 reviews2025
Dev: Tinymice EntertainmentPub: Rogue Duck Interactive
Windows · Mac · Linux
Median: 2.4 hrsMean: 3.5 hrs≥1hr: 76%
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 28.9%, Base Building 17.2%, Building 12.1%, Survival 9.5%, Space 9.2%
- #33 Geo
77% matchVery Positive85% of 183 reviews2017
Dev: Windybeard
Windows
Median: 4.0 hrsMean: 7.5 hrs≥1hr: 98%
Geo is a game about building and expanding an intergalactic mining corporation. Explore uncharted space and discover comets, moons, Planets and gas giants before heading in and drilling the cash out of them! Expand your HQ, build new rooms and facilities to increase your drilling stats.
Why similar: Mining 29% ★, Base Building 14.6%, Space 12.3%, Simulation 12.1%, Sci-fi 11.7%
- #34 Space Drilling Station
73% matchVery Positive92% of 77 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 24.9%, Base Building 14.5%, Management 11%, Building 10.1%, Futuristic 9.8%
- #35 Adaptory
73% matchVery Positive81% of 104 reviews2026
Dev: Stormcloak GamesPub: indie.io
Windows · Mac
Deep in uncharted space, your expedition took a challenging turn when your ship crash-landed. Master complex simulations to keep your outspoken explorers alive, face unpredictable challenges, and figure out a way back home.
Why similar: Colony Sim 26%, Base Building 15.1%, Procedural Generation 10.4%, Survival 9.4%, Science 8.8%
- #36 Oxygen
75% matchMostly Positive72% of 879 reviews2023
Dev: Turquoise Revival GamesPub: GrabTheGames
Windows
Median: 3.5 hrsMean: 9.6 hrs≥1hr: 79%
Oxygen is a survival city builder. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and more importantly keep the Oxygen Center running!
Why similar: Colony Sim 26.4%, Base Building 17.3%, Survival 11.6%, Building 11.4%, Crafting 9.2%
- #37 Maia
77% 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 32.8%, Management 10.6%, Survival 10.5%, Base Building 10.4%, Sci-fi 9.7%
- #38 One Lonely Outpost
74% matchMixed59% of 645 reviews2025
Dev: indie.io
Windows
Median: 8.8 hrsMean: 10.8 hrs≥1hr: 81%
An alien world sometimes needs a farmer’s touch to bring it to life. In this sci-fi, colonization-life sim, terraform a barren world: turn wastelands into verdant landscapes while exploring, farming, building, and unlocking all the mysteries of this strange new planet.
Why similar: Colony Sim 34.8%, Base Building 16%, Space 13.9%, Building 12.6%, Crafting 10.5%
- #39 Trappist
72% 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 24.3%, Base Building 13.2%, Isometric 12%, Building 11.6%, Space 9.3%
- #40 Astro Colony
72% matchVery Positive82% of 2,526 reviews2022
Dev: Terad Games
Windows
Median: 4.5 hrsMean: 16.3 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 28.4%, Base Building 22%, Space 13.4%, Building 12.1%, Crafting 8.7%
- #41 Terraformers
71% matchVery Positive88% of 3,672 reviews2023
Dev: Asteroid LabPub: Goblinz Publishing
Windows · Mac · Linux
Median: 3.4 hrsMean: 9.5 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: Science 20.4%, Procedural Generation 13.3%, Survival 11.9%, Management 11.3%, Space 10.8%
- #42 The Final Earth 2
71% matchVery Positive97% of 399 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 27.4%, Base Building 13.3%, Management 11.8%, Building 11.6%, Space 10.7%
- #43 Microtopia
70% matchVery Positive87% of 928 reviews2025
Dev: Cordyceps CollectivePub: Goblinz Publishing
Windows
Median: 3.6 hrsMean: 9.6 hrs≥1hr: 74%
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 22.4%, Base Building 12.2%, Procedural Generation 10.1%, Management 9.4%, Futuristic 9.3%
- #44 Earth Space Colonies
74% 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 31.5%, Survival 29%, Simulation 21.3%, Strategy 18.2%
- #45 Sphere - Flying Cities
73% matchMixed50% of 242 reviews2022
Dev: mañana studiosPub: Assemble Entertainment
Windows
Sphere – Flying Cities is a sci-fi citybuilder which combines strategy, simulation, and survival elements in an extraordinary and immersive scenario. Rebuild and protect a society in a unique and hostile environment. Pay the price for your decisions and be prepared to lose everything.
Why similar: Colony Sim 20.4%, Mining 16.6% ★, Survival 8.9%, Building 8.2%, Space 8.2%
- #46 Aground Zero
70% matchVery Positive82% of 124 reviews2025
Dev: Fancy Fish Games
Windows · Linux
The world has ended. You are deep underground, and all alone with a cheery AI companion. You will have to mine and build to survive, and search for other survivors to help you. Will you be able to reach the surface? And what will you find when you get there?
Why similar: Colony Sim 24.9%, Underground 18.7% ★, Base Building 11.6%, Management 8.5%, Building 7.9%
- #47 Odd Realm
69% matchVery Positive85% of 996 reviews2024
Dev: Unknown Origin Games Inc
Windows · Mac · Linux
Median: 1.6 hrsMean: 6.9 hrs≥1hr: 56%
Forge a new kingdom in a land recovering from the Fracture. Which of the surviving races will you lead to rebuild, explore, and conquer the unknown? The dwindling yet immortal Ancients? The bold and resourceful Humans? The life stealing Ardyn? Or the secretive Gwdir who shape living groves?
Why similar: Colony Sim 21.8%, Mining 15.3% ★, Base Building 12.6%, Management 9.8%, Building 8.7%
- #48 The Alters
67% matchVery Positive90% of 17,492 reviews2025
Dev: 11 bit studios
Windows
Median: 10.9 hrsMean: 15.9 hrs≥1hr: 92%
Explore an emotional sci-fi game with a unique blend of survival, adventure, and base-building elements. Help Jan Dolski, the sole survivor of an ill-fated space expedition, create alternative versions of himself to escape a hostile planet and tackle personal turmoils with this unconventional crew.
Why similar: Base Building 18.1%, Survival 13.4%, Management 13.1%, Science 12.5%, Sci-fi 9%
- #49 Ascent of Ashes
69% matchMostly Positive70% of 298 reviews2025
Dev: Vivid Storm Interactive
Windows
A colony sim set in a post-apocalyptic dystopia. Build and defend your base. Manage your survivors. Engage raiders, aliens, Remnant soldiers and other factions in real-time-with-pause combat. Or use stealth to outwit them. Explore the massive world. Survive at all costs
Why similar: Colony Sim 23.3%, Base Building 13.7%, Isometric 11.9%, Building 10.4%, Management 10.2%
- #50 Aquatico
71% matchMixed67% of 863 reviews2023
Dev: Digital Reef GamesPub: Overseer Games
Windows
Median: 3.4 hrsMean: 7.6 hrs≥1hr: 84%
Aquatico is a classic city builder set within the depths of the sea. Strategically build an underwater colony atop the ocean floor and face the challenges that accompany oceanic life.
Why similar: Colony Sim 30.3%, Base Building 13.7%, Building 12.2%, Management 11%, Futuristic 10.8%
- #51 The Crust
68% matchMostly Positive77% of 3,542 reviews2024
Dev: VEOM StudioPub: Crytivo
Windows
Median: 7.0 hrsMean: 23.2 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 26.1%, Base Building 16.8%, Space 11.5%, Building 10.2%, Management 9.6%
- #52 Solargene
67% matchMostly Positive77% of 836 reviews2026
Dev: Alexander Semenov
Windows
Median: 4.2 hrsMean: 34.2 hrs≥1hr: 72%
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: Colony Sim 30.4%, Base Building 17.7%, Building 12%, Management 12%, Space 9.2%
- #53 Solar Expanse - Space Exploration Manager
66% matchVery Positive87% of 941 reviews2026
Dev: SpaceOpsPub: Games Operators
Windows
Median: 4.9 hrsMean: 12.3 hrs≥1hr: 80%
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 22.3%, Space 13.1%, Mining 12.9% ★, Management 10.9%, Sci-fi 8.3%
- #54 Cavern Adventurers
67% matchMixed66% of 122 reviews2025
Dev: Kairosoft Co.,Ltd
Windows
Build an underground network of caves in this fantasy-themed management sim.
Why similar: Colony Sim 34.1%, Underground 18% ★, Mining 12% ★, Survival 9.1%, Building 7.7%
- #55 Space Station Tycoon
68% matchMixed61% of 216 reviews2023
Dev: Lunheim Studios
Windows
Median: 2.8 hrsMean: 8.5 hrs≥1hr: 78%
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 23.1%, Management 12.4%, Base Building 12.2%, Space 10.7%, Building 10.6%
- #56 IMPACT
68% matchMixed56% of 61 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: Colony Sim 22.1%, Science 15.8%, Isometric 11.7%, Base Building 9.5%, Space 8.4%
- #57 Occupy Mars: The Game
65% matchMostly Positive70% of 3,070 reviews2026
Dev: ▲ Pyramid Games
Windows
Median: 4.4 hrsMean: 34.4 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: Colony Sim 22.9%, Base Building 15.5%, Building 11.7%, Crafting 11.2%, Space 10.7%
- #58 Base One
70% matchMostly Negative38% 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: Isometric 14.6%, Science 13.3%, Building 10.4%, Management 8.7%, Crafting 8.6%
- #59 ALL WILL FALL
65% matchMostly Positive77% of 1,116 reviews2026
Dev: All Parts ConnectedPub: tinyBuild
Windows
Median: 4.2 hrsMean: 11.2 hrs≥1hr: 74%
Build massive ocean cities and lead your people to prosperity in this post-apocalyptic survival colony sim. Featuring a physics-based 3D construction system, complex resource management, exploration, difficult political decisions, supply chains, and a robust sandbox mode.
Why similar: Colony Sim 35.7%, Base Building 21%, Building 10.8%, Management 10.7%, Simulation 6.3%