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Games Like Mercury Fallen

60+ similar titles based on shared tags and player behavior. Themes include Colony Sim, Survival, Base Building, Simulation.

Mercury Fallen header art

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.

Reviews: Mostly Positive — 79% — of 307 reviews
Released: 2023-08-22
Developer: Nitrous Butterfly
Publisher: indie.io
Genres: Indie, Simulation, Strategy
Platforms: Windows, Mac
Median playtime: 3.2 hrs
Mean playtime: 5.3 hrs
Players ≥ 1 hr: 87%

Overview

Mercury Fallen offers a compelling blend of underground exploration and sci-fi colony management that emphasizes resource efficiency and environmental expansion. These recommendations focus on games that provide deep simulation, complex base-building mechanics, and the constant challenge of surviving in hostile or isolated environments.

Similar Games

View all 59 recommendations
  1. #1 Stranded: Alien Dawn
    97% matchVery Positive85% of 10,890 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 21.4%, Base Building 21.3%, Survival 15%, Crafting 10%, Management 8.8%

    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. #2 RimWorld
    96% matchOverwhelmingly Positive98% of 236,346 reviews2018
    Dev: Ludeon Studios
    Windows · Mac · Linux
    Median: 59.1 hrsMean: 259.4 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 10%, Building 7.5%

    Why You'll Like It: The gold standard for colony management, offering deep simulation, emergent storytelling, and complex survival mechanics.

  3. #3 Oxygen Not Included
    96% matchOverwhelmingly Positive97% of 138,890 reviews2019
    Dev: Klei Entertainment
    Windows · Mac · Linux
    Median: 8.9 hrsMean: 67.7 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 35.1%, Base Building 19.9%, Survival 12.5%, Building 9.6%, Management 7.5%

    Why You'll Like It: Focuses heavily on underground resource management and survival in a challenging, sci-fi environment.

  4. #4 Space Haven
    95% matchVery Positive86% of 9,719 reviews2020
    Dev: Bugbyte Ltd.
    Windows · Mac · Linux
    Median: 4.3 hrsMean: 20.2 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 14.2%, Management 10.9%, Building 10.7%, Survival 9.8%

    Why You'll Like It: Combines colony management with space-faring survival, requiring careful ship design and resource balancing.

  5. #5 Dwarf Fortress
    94% matchVery Positive95% of 30,806 reviews2022
    Dev: Bay 12 GamesPub: Kitfox Games
    Windows · Linux
    Median: 5.5 hrsMean: 38.4 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 13.6%, Survival 11.7%

    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. #6 Going Medieval
    91% matchVery Positive89% of 20,287 reviews2026
    Dev: Foxy VoxelPub: Mythwright
    Windows
    Median: 7.9 hrsMean: 30.8 hrs≥1hr: 82%

    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 15.5%, Management 12.3%, Procedural Generation 11%, Survival 10.7%

    Why You'll Like It: Offers 3D colony building with a strong emphasis on verticality and structural integrity.

  7. #7 Aven Colony
    93% matchMostly Positive72% of 2,731 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 45.8%, Base Building 14.5%, Sci-fi 11.1%, Space 7%, Strategy 6.6%

    Why You'll Like It: Provides a polished sci-fi city-builder experience on an alien world with unique environmental challenges.

  8. #8 Planetbase
    92% matchMostly Positive80% of 10,262 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 33.1%, Base Building 17.7%, Space 12%, 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.

  9. #9 Stardeus
    91% matchVery Positive87% of 1,529 reviews2022
    Dev: Kodo LinijaPub: Paradox Arc
    Windows · Mac · Linux
    Median: 8.7 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 9.3%, 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. #10 IXION
    90% matchMostly Positive79% of 17,015 reviews2022
    Dev: Bulwark StudiosPub: Kasedo Games
    Windows
    Median: 10.0 hrsMean: 31.1 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 16.3%, 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. #11 Frostpunk
    89% matchVery Positive93% of 132,545 reviews2018
    Dev: 11 bit studios
    Windows · Mac
    Median: 6.2 hrsMean: 22.4 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 8.1%

    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.

  12. #12 CryoFall
    88% matchMostly Positive79% of 6,397 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 22.9%, Mining 19.8%, Base Building 13%, Building 9.8%, Crafting 9.6%

    Why You'll Like It: A sci-fi survival game that features base-building and technology progression in an isometric perspective.

  13. #13 Hammerting
    89% matchMixed57% of 2,576 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 21.7%, Mining 19.3%, Base Building 12.8%, Management 9.9%, Building 9.6%

    Why You'll Like It: A subterranean mining and colony management game that shares the underground focus of Mercury Fallen.

  14. #14 Timberborn
    85% matchOverwhelmingly Positive96% of 38,007 reviews2026
    Dev: Mechanistry
    Windows · Mac
    Median: 9.8 hrsMean: 40.3 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 26.1%, Science 17.6%, Base Building 13.5%, Building 11.4%, Management 11.3%

    Why You'll Like It: Features innovative vertical building and water management mechanics that reward creative base design.

  15. #15 After the Collapse
    87% 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 27.9%, Base Building 16%, Management 11.8%, Survival 10.8%, Procedural Generation 10%

    Why You'll Like It: A post-apocalyptic colony sim that emphasizes base-building and survival against environmental threats.

  16. #16 Judgment: Apocalypse Survival Simulation
    86% matchVery Positive81% of 2,242 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 17.3%, Survival 12.8%, Crafting 7.1%, Management 6.6%

    Why You'll Like It: Focuses on building a base and managing survivors in a dangerous, post-apocalyptic setting.

  17. #17 Surviving Ceres
    84% matchVery Positive87% of 137 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 11.7%, Survival 10.8%, 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.

  18. #18 Unclaimed World
    86% matchMixed50% of 216 reviews2016
    Dev: Refactored Games OÜ
    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 31.7%, Strategy 26.3%, Survival 23.3%, 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.

  19. #19 Starmancer
    84% matchMixed64% of 1,024 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 21.9%, Isometric 11.7%, Management 11%, Base Building 10.2%, Building 9.7%

    Why You'll Like It: Allows you to manage a space station and its inhabitants with a focus on atmospheric sci-fi storytelling.

  20. #20 Clanfolk
    82% matchVery Positive92% of 3,737 reviews2022
    Dev: MinMax Games Ltd.Pub: Hooded Horse
    Windows
    Median: 3.8 hrsMean: 17.3 hrs≥1hr: 68%

    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 43.6%, Building 21.2%, Crafting 19.5%, Simulation 8.6%, Casual 4.4%

    Why You'll Like It: A survival-focused colony sim that emphasizes managing the needs of your people against a harsh, changing environment.

  21. #21 Noble Fates
    81% matchVery Positive83% of 1,455 reviews2021
    Dev: Xobermon, LLC
    Windows
    Median: 3.4 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 29.2%, Base Building 16.3%, Management 11.9%, Building 11.5%, Procedural Generation 10%

    Why You'll Like It: Combines colony management with RPG elements, allowing for deep interaction with your colonists.

  22. #22 Meeple Station
    82% matchMixed57% of 941 reviews2020
    Dev: Gameclaw StudioPub: Modularity
    Windows · Mac · Linux
    Median: 30 minMean: 9.4 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 19.4%, Isometric 14.6%, Base Building 12.8%, Space 9.9%, Building 9.8%

    Why You'll Like It: A space station management sim that emphasizes building and maintaining complex systems in a dangerous environment.

  23. #23 Against the Storm
    78% matchVery Positive95% of 35,504 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 17.9%, Building 14.2%, Management 14.2%, Survival 11.8%

    Why You'll Like It: A roguelite city-builder that emphasizes rapid expansion and resource management in a fantasy world.

  24. #24 Rise to Ruins
    80% matchVery Positive88% of 7,737 reviews2019
    Dev: Raymond DoerrPub: SixtyGig Games
    Windows · Mac · Linux
    Median: 4.7 hrsMean: 16.4 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 15.6%, Strategy 7%, Simulation 5.6%

    Why You'll Like It: A unique blend of god-game, city-builder, and survival mechanics that keeps the pressure high.

  25. #25 Reshaping Mars
    79% matchVery Positive85% of 831 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 22.2%, Base Building 16%, Building 12%, Space 9%, Management 8.9%

    Why You'll Like It: A strategy-heavy colony builder that focuses on the terraforming and expansion aspects of Mars colonization.

  26. #26 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 18.8%, Base Building 15.2%, Building 11.1%, Procedural Generation 7%

    Why You'll Like It: Focuses on automation and resource management in a space-based, voxel-style environment.

  27. #27 Spacebase DF-9
    83% matchOverwhelmingly Negative18% of 4,324 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 11.5%, Simulation 8.4%

    Why You'll Like It: A classic space-based colony management game that shares the core facility-building loop.

  28. #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 13.5%, Isometric 12.8%, Space 11.6%, Building 10.2%

    Why You'll Like It: A sci-fi management game that blends base-building with exploration and RPG elements.

  29. #29 Space Architect
    78% matchMostly Positive76% of 283 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 11.6%, Science 10.8%, Management 9.5%

    Why You'll Like It: A dedicated base-building game that allows for detailed design and management of space facilities.

  30. #30 Exogate Initiative
    76% matchMostly Positive76% of 699 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%, Base Building 15.2%, Management 12.2%, Building 11.7%, Space 8.5%

  31. #31 Stellar Settlers: Space Base Builder
    76% matchMostly Positive71% of 818 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%, Survival 9.5%, Space 9.1%

  32. #32 Adaptory
    74% matchVery Positive84% of 91 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 8.7%

  33. #33 Geo
    77% matchVery Positive85% of 182 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 29.2%, Base Building 14.6%, Space 12.2%, Simulation 12.1%, Management 11.7%

  34. #34 Farlanders
    74% matchVery Positive92% of 569 reviews2023
    Dev: Andriy BychkovskyiPub: Crytivo
    Windows · Mac · Linux
    Median: 2.2 hrsMean: 7.9 hrs≥1hr: 62%

    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%, Management 10%, Space 9.9%

  35. #35 Oxygen
    75% matchMostly Positive73% of 865 reviews2023
    Dev: Turquoise Revival GamesPub: GrabTheGames
    Windows
    Median: 3.5 hrsMean: 9.8 hrs≥1hr: 78%

    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%

  36. #36 Maia
    77% matchMixed44% of 1,063 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 10.7%, Survival 10.4%, Base Building 10.4%, Sci-fi 9.7%

  37. #37 The Alters
    71% matchVery Positive90% of 16,976 reviews2025
    Dev: 11 bit studios
    Windows
    Median: 10.7 hrsMean: 15.8 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 17.8%, Survival 13.2%, Management 13.1%, Science 12.5%, Sci-fi 9%

  38. #38 One Lonely Outpost
    73% matchMixed59% of 638 reviews2025
    Dev: indie.io
    Windows
    Median: 8.5 hrsMean: 10.6 hrs≥1hr: 80%

    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 13.8%, Building 12.5%, Crafting 10.6%

  39. #39 Terraformers
    72% matchVery Positive88% of 3,606 reviews2023
    Dev: Asteroid LabPub: Goblinz Publishing
    Windows · Mac · Linux
    Median: 3.4 hrsMean: 9.6 hrs≥1hr: 87%

    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 20.3%, Procedural Generation 13.4%, Survival 11.9%, Management 11.4%, Space 10.7%

  40. #40 Trappist
    73% 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%

  41. #41 Microtopia
    71% matchVery Positive88% of 903 reviews2025
    Dev: Cordyceps CollectivePub: Goblinz Publishing
    Windows
    Median: 3.7 hrsMean: 9.2 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 22.3%, Base Building 12.2%, Procedural Generation 10.1%, Management 9.5%, Futuristic 9.3%

  42. #42 The Final Earth 2
    73% matchVery Positive97% of 386 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 27.5%, Base Building 13.3%, Management 11.9%, Building 11.5%, Space 10.7%

  43. #43 Aground Zero
    71% matchVery Positive82% of 122 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 18.8%, Base Building 11.5%, Management 8.6%, Building 7.9%

  44. #44 Earth Space Colonies
    75% 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 31.4%, Survival 28.9%, Simulation 21.4%, Strategy 18.3%

  45. #45 Ascent of Ashes
    69% matchMostly Positive71% of 294 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%, Management 10.3%, Building 10.3%

  46. #46 Space Station Tycoon
    70% matchMixed61% of 215 reviews2023
    Dev: Lunheim Studios
    Windows
    Median: 2.8 hrsMean: 8.6 hrs≥1hr: 79%

    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 12.5%, Base Building 12.2%, Space 10.7%, Building 10.6%

  47. #47 Solargene
    67% matchMostly Positive76% of 819 reviews2026
    Dev: Alexander Semenov
    Windows
    Median: 3.7 hrsMean: 34.8 hrs≥1hr: 71%

    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%, Management 12.1%, Building 12%, Space 9.2%

  48. #48 Per Aspera
    69% matchMostly Positive76% of 5,662 reviews2020
    Dev: Tlön IndustriesPub: Raw Fury
    Windows
    Median: 5.0 hrsMean: 11.9 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 21.3%, Science 15%, Base Building 13%, Management 10.7%, Building 10.1%

  49. #49 Astro Colony
    68% matchVery Positive82% of 2,509 reviews2022
    Dev: Terad Games
    Windows
    Median: 4.7 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%, Crafting 8.7%

  50. #50 Base One
    72% 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 13.2%, Building 10.4%, Management 8.8%, Crafting 8.6%

  51. #51 IMPACT
    69% 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 15.7%, Isometric 11.7%, Base Building 9.5%, Space 8.4%

  52. #52 Sphere - Flying Cities
    70% matchMixed50% of 237 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 22.1%, Mining 18.1%, Survival 9.6%, Building 8.9%, Space 8.9%

  53. #53 Cavern Adventurers
    68% matchMixed66% of 119 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 18.1%, Mining 12.1%, Survival 9.1%, Building 7.7%

  54. #54 Settlement Survival
    66% matchVery Positive86% of 7,842 reviews2022
    Dev: Gleamer StudioPub: Team17
    Windows · Mac
    Median: 4.0 hrsMean: 10.8 hrs≥1hr: 80%

    In this city-building game, you will lead a group of survivors in their search for a new home. Manipulate the landscape, manage limited supplies, plant crops, hunt wildlife, gather resources, and develop trade routes to build a bustling and unique town.

    Why similar: Colony Sim 31.2%, Building 15.7%, Management 13.8%, Survival 12.5%, Base Building 10.8%

  55. #55 AETHUS
    64% matchOverwhelmingly Positive96% of 1,163 reviews2026
    Dev: Pawsmonaut Games
    Windows

    Explore a vast underground world to mine and craft hundreds of items while building up your modular Outpost on the surface, to prospect for gems, refine resources and farm hydroponic crops in this top-down sci-fi survival-crafter where the story always provides a reason to dig deeper.

    Why similar: Mining 24.7%, Base Building 15.8%, Building 12%, Survival 11.1%, Crafting 11.1%

  56. #56 The Crust
    66% matchMostly Positive77% of 3,397 reviews2024
    Dev: VEOM StudioPub: Crytivo
    Windows
    Median: 7.0 hrsMean: 22.5 hrs≥1hr: 83%

    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 26.2%, Base Building 16.8%, Space 11.4%, Building 10.1%, Management 9.7%

  57. #57 Embark
    70% matchMixed61% of 386 reviews2019
    Dev: Overly Complicated Games
    Windows

    Inspired by the deep simulation of Dwarf Fortress, the open world survival of Minecraft, and the social interactions of The Sims. Embark is a colony management game with a focus on complex simulation in a huge living 3D world.

    Why similar: Colony Sim 39.4%, Base Building 16.7%, Building 9%, Survival 8%, Crafting 7%

  58. #58 Prospector
    66% matchMostly Positive72% of 149 reviews2025
    Dev: Loonworks Games
    Windows

    Land on a distant planet in this chill resource management game. Harvest alien resources, build and automate machinery, uncover secrets across the stars and strike shipping deals with distant colonies for exclusive rewards!

    Why similar: Base Building 21.3%, Building 16.4%, Crafting 13.9%, Space 13%, Survival 12%

  59. #59 Alien Horizon (Preview Alpha)
    66% matchVery Positive87% of 188 reviews2024
    Dev: Purple Nebula
    Windows

    A sci-fi survival city builder set on an inhospitable alien planet. Faced with imminent destruction of Earth, humanity pooled together their resources and sent sleeper ships to nearby potentially habitable planets. But this one turned out to be much less habitable than expected....

    Why similar: Colony Sim 32.6%, Base Building 14.9%, Building 14.1%, Survival 11.3%, Strategy 6%

Based on tag similarity + player behavior
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