- #1 Planetbase
96% 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 37.5% ★, City Builder 27.7%, Base Building 10.8%, Space 5.9%, Strategy 5.2%
Why You'll Like It: This game shares the core loop of managing a small group of colonists on a remote world while dealing with environmental disasters and resource scarcity.
- #2 IXION
96% 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: City Builder 32.3%, Colony Sim 31.3% ★, Base Building 9%, Space 8.3%, Strategy 6.8%
Why You'll Like It: It combines city-building with space travel, forcing players to manage a massive station while navigating the dangers of space.
- #3 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 33.5% ★, City Builder 22.2%, Base Building 10.5%, Sci-fi 6.7%, Strategy 5.8%
Why You'll Like It: Focuses on building and managing a spaceship colony, emphasizing survival, resource management, and crew morale.
- #4 Frostpunk
94% 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: City Builder 38.4%, Colony Sim 35% ★, Strategy 7.6%, Base Building 6.1%, Survival 4.9%
Why You'll Like It: While set in a frozen wasteland rather than space, it perfectly captures the high-pressure survival city-building gameplay found in Aven Colony.
- #5 Endzone - A World Apart
94% matchMostly Positive77% of 9,807 reviews2021
Dev: Gentlymad StudiosPub: Assemble Entertainment
Windows
Median: 3.9 hrsMean: 9.1 hrs≥1hr: 84%
Endzone is a post-apocalyptic survival city builder, where you start a new civilization with a group of people after an ecological disaster. Build them a new home and ensure their survival in a shattered world, threatened by constant radiation, toxic rain, sandstorms and droughts.
Why similar: City Builder 44.5%, Colony Sim 21.5% ★, Base Building 10.8%, Strategy 8.5%, Survival 5%
Why You'll Like It: A survival-focused city-builder where you must protect your colony from radiation and environmental threats.
- #6 Per Aspera
93% 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 32.1% ★, City Builder 25%, Base Building 10.6%, Sci-fi 6.5%, Strategy 6%
Why You'll Like It: Features a unique planetary-scale terraforming mechanic that mirrors the goal of making a hostile world habitable.
- #7 RimWorld
92% 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 44% ★, City Builder 16.9%, Base Building 13.6%, Sci-fi 6.7%, Strategy 5.4%
Why You'll Like It: This is the gold standard for colony-sims, offering deep management mechanics and emergent storytelling in a sci-fi setting.
- #8 Oxygen Not Included
91% 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 56.3% ★, Base Building 17.2%, Survival 5%, Strategy 3.8%, Resource Management 3.8%
Why You'll Like It: A complex colony-sim that requires meticulous management of gases, liquids, and thermodynamics in a subterranean alien environment.
- #9 Surviving the Aftermath
91% matchMostly Positive71% of 4,513 reviews2021
Dev: Iceflake StudiosPub: Paradox Interactive
Windows
Median: 4.4 hrsMean: 17.8 hrs≥1hr: 74%
Survive and thrive in a post-apocalyptic future — resources are scarce, but opportunity calls! Build the ultimate disaster proof colony, protect your colonists, and restore civilization to a devastated world.
Why similar: City Builder 35%, Colony Sim 33.7% ★, Strategy 9.5%, Base Building 9.1%, Simulation 6.7%
Why You'll Like It: Combines post-apocalyptic city-building with survival elements and exploration of a dangerous world map.
- #10 The Universim
89% matchVery Positive80% of 10,483 reviews2024
Dev: Crytivo
Windows · Mac · Linux
Median: 7.3 hrsMean: 33.9 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 40.7% ★, City Builder 31.2%, Space 4.9%, Strategy 4.8%, Sci-fi 4.5%
Why You'll Like It: A god-game style colony-sim that allows you to guide a civilization from the stone age into the space age.
- #11 Industries of Titan
90% matchMixed63% of 1,604 reviews2023
Dev: Brace Yourself Games
Windows
Median: 5.4 hrsMean: 14.0 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 33.8% ★, City Builder 28.6%, Base Building 10%, Sci-fi 6.9%, Strategy 6.4%
Why You'll Like It: Offers a distinct sci-fi aesthetic with industrial city-building and base-defense mechanics on Saturn's moon.
- #12 Settlement Survival
89% 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 38% ★, City Builder 35.2%, Base Building 7.1%, Simulation 4.4%, Strategy 4.1%
Why You'll Like It: Focuses on the survival aspects of city-building, requiring careful management of population needs and disaster mitigation.
- #13 Against the Storm
87% 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 35.7% ★, City Builder 28.1%, Base Building 11.8%, Strategy 6.8%, Simulation 5.2%
Why You'll Like It: A unique roguelite city-builder that forces players to adapt to constant environmental changes and resource limitations.
- #14 Anno 2205™
88% matchMostly Positive70% of 6,263 reviews2015
Dev: Blue BytePub: Ubisoft
Windows
Median: 10.1 hrsMean: 54.9 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 54.3%, Strategy 12.4%, Sci-fi 9.4%, Simulation 6.9%, Space 6.1%
Why You'll Like It: Provides a polished futuristic city-building experience with multi-stage production chains and space-based expansion.
- #15 Timberborn
83% 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 37.2% ★, City Builder 35.1%, Base Building 10.4%, Strategy 5.4%, Simulation 4%
Why You'll Like It: Features innovative water management and vertical building mechanics within a survival-oriented colony-sim.
- #16 Before We Leave
86% matchMostly Positive78% of 1,697 reviews2021
Dev: Balancing Monkey GamesPub: Team17
Windows · Mac
Median: 3.5 hrsMean: 6.0 hrs≥1hr: 85%
Before We Leave is a city building game set in a cozy corner of the universe. Nurture your Peeps and their surroundings while rebuilding and rediscovering civilisation. Settle new lands and planets while avoiding hungry Space Whales.
Why similar: City Builder 32.8%, Colony Sim 28.4% ★, Base Building 8%, Sci-fi 7.9%, Space 6.6%
Why You'll Like It: A relaxing, non-violent city-builder that involves managing multiple planets and trade routes.
- #17 Dawn of Man
86% matchVery Positive87% of 17,635 reviews2019
Dev: Madruga Works
Windows · Mac
Median: 10.9 hrsMean: 29.7 hrs≥1hr: 86%
Command a settlement of ancient humans, guide them through the ages in their struggle for survival. Hunt, gather, craft tools, fight, research new techs and face the challenges the environment will throw at you.
Why similar: Colony Sim 43.3% ★, City Builder 41.4%, Strategy 6%, Survival 3.5%, Simulation 3.4%
Why You'll Like It: A historical colony-sim that shares the same focus on survival, resource gathering, and technological progression as Aven Colony.
- #18 New Cycle
85% matchMostly Positive79% of 2,783 reviews2024
Dev: Core EngagePub: Daedalic Entertainment
Windows
Median: 4.8 hrsMean: 7.9 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 33.7% ★, City Builder 28.6%, Base Building 10.3%, Sci-fi 6.8%, Strategy 6.6%
Why You'll Like It: A post-apocalyptic city-builder that focuses on rebuilding society while managing limited resources and harsh weather.
- #19 Banished
84% matchVery Positive90% of 42,988 reviews2014
Dev: Shining Rock Software LLC
Windows
Median: 7.8 hrsMean: 26.9 hrs≥1hr: 78%
In this city-building strategy game, you control a group of exiled travelers who decide to restart their lives in a new land. They have only the clothes on their backs and a cart filled with supplies from their homeland. The townspeople of Banished are your primary resource.
Why similar: Colony Sim 45% ★, City Builder 37.2%, Strategy 6.4%, Simulation 4.6%, Survival 3%
Why You'll Like It: The foundational survival city-builder that emphasizes the struggle to keep a population alive through harsh winters and resource shortages.
- #20 Cliff Empire
84% matchVery Positive87% of 4,340 reviews2019
Dev: Lion's Shade
Windows · Mac
Median: 4.0 hrsMean: 15.2 hrs≥1hr: 79%
After a nuclear war life on the surface became impossible. A 300m thick radioactive fog covered the Earth. We are looking for bold active people to manage the process of restoring life on Earth. Join!
Why similar: Colony Sim 32.4% ★, City Builder 30.7%, Sci-fi 8.4%, Base Building 8.4%, Strategy 6.9%
Why You'll Like It: Challenges players to build cities on small cliff platforms after a nuclear fallout, requiring careful resource balancing.
- #21 Farlanders
81% 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 33.2% ★, City Builder 26%, Base Building 10.6%, Sci-fi 6.3%, Space 6%
Why You'll Like It: A turn-based space colony-sim that emphasizes strategic placement and resource management on a barren planet.
- #22 Going Medieval
78% 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 38.3% ★, City Builder 28.1%, Base Building 12.2%, Strategy 6.8%, Simulation 5%
Why You'll Like It: A colony-sim that offers deep vertical building and survival mechanics in a historical setting.
- #23 The Colonists
82% matchVery Positive86% of 1,205 reviews2018
Dev: CodebyfirePub: Mode 7
Windows · Mac · Linux
Median: 4.0 hrsMean: 13.0 hrs≥1hr: 85%
Build a new home for your team of robots as they begin a new life for themselves on a distant planet where they can fulfil their ultimate dream: to be human.
Why similar: Colony Sim 39.9% ★, City Builder 31.4%, Base Building 10.1%, Strategy 5.2%, Simulation 3.4%
Why You'll Like It: A charming, automation-focused city-builder that shares the base-building spirit of Aven Colony.
- #24 Exogate Initiative
81% 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 30.5% ★, City Builder 25.8%, Base Building 11.3%, Sci-fi 7.2%, Strategy 6.5%
Why You'll Like It: Focuses on managing a sci-fi base dedicated to exploring alien worlds through a stargate-like portal.
- #25 Aquatico
82% matchMixed67% of 858 reviews2023
Dev: Digital Reef GamesPub: Overseer Games
Windows
Median: 3.5 hrsMean: 8.0 hrs≥1hr: 83%
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 37.3% ★, City Builder 31.7%, Base Building 9.1%, Strategy 6.8%, Sci-fi 5.8%
Why You'll Like It: Transfers the colony-sim experience to the ocean floor, introducing unique underwater survival mechanics.
- #26 Stellar Settlers: Space Base Builder
80% 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 36.3% ★, City Builder 27.8%, Base Building 11.7%, Strategy 6%, Space 4.9%
Why You'll Like It: A dedicated space base-building game that emphasizes survival and resource extraction on various planets.
- #27 Terra Nil
78% matchVery Positive88% of 8,333 reviews2023
Dev: Free LivesPub: Devolver Digital
Windows · Mac · Linux
Median: 3.5 hrsMean: 7.7 hrs≥1hr: 78%
Terra Nil is an intricate environmental strategy game about transforming a barren wasteland into a thriving, balanced ecosystem. Bring life back to a lifeless world by purifying soil, cleaning oceans, planting trees, and reintroducing wildlife, then leave without a trace.
Why similar: City Builder 72.3%, Strategy 20.5%, Resource Management 5.7%, Singleplayer 1.5%
Why You'll Like It: A reverse city-builder that focuses on environmental restoration, capturing the 'greening' aspect of planetary colonization.
- #28 Offworld Trading Company
79% matchMostly Positive77% of 5,669 reviews2016
Dev: Mohawk GamesPub: Stardock Entertainment
Windows · Mac
Median: 3.6 hrsMean: 34.8 hrs≥1hr: 89%
Mars has been colonized, and Earth's corporate titans fight to dominate this new market. Competition is fierce in this fast-paced economic RTS from Civilization IV Lead Designer, Soren Johnson.
Why similar: Colony Sim 32.5% ★, City Builder 24.5%, Sci-fi 8.7%, Base Building 8.5%, Strategy 6.8%
Why You'll Like It: An economic strategy game set on Mars that focuses on the competitive, resource-driven side of space colonization.
- #29 Solargene
76% 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 37.5% ★, City Builder 26.4%, Base Building 11.7%, Strategy 5.1%, Space 4.9%
- #30 Life is Feudal: Forest Village
79% matchMixed66% of 5,984 reviews2017
Dev: MindillusionPub: Bitbox Ltd.
Windows
Median: 2.5 hrsMean: 30.8 hrs≥1hr: 63%
LiF:Forest Village is a city builder with survival aspects in a realistic harsh medieval world. Shape, build and expand your settlement, grow various food to prevent your villagers from avitaminosis and starvation. Possess them for additional micromanagement or simply to wander around.
Why similar: Colony Sim 46.1% ★, City Builder 37.8%, Strategy 5.6%, Simulation 3.4%, Resource Management 2.8%
Why You'll Like It: A survival-oriented city-builder that emphasizes the daily struggles of managing a growing population in a harsh environment.
- #31 My Colony
77% matchVery Positive90% of 263 reviews2018
Dev: Ape Apps
Windows · Mac · Linux
Build, expand, and rule a growing space colony. Explore tech, trade, and multiplayer.
Why similar: Colony Sim 46.3% ★, City Builder 40.4%, Strategy 6.5%, Simulation 5.6%, Indie 1.2%
- #32 Alien Horizon (Preview Alpha)
75% 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 37.5% ★, City Builder 32.1%, Base Building 9.2%, Strategy 7.3%, Simulation 5.2%
- #33 The Crust
74% 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 34.8% ★, City Builder 21.6%, Base Building 12%, Space 6.5%, Sci-fi 5.6%
- #34 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 34.7% ★, City Builder 29.1%, Base Building 12.2%, Strategy 7%, Simulation 5.3%
- #35 Stonehearth
76% matchMostly Positive75% of 12,970 reviews2018
Dev: Radiant EntertainmentPub: (none)
Windows · Mac
Median: 14.1 hrsMean: 38.7 hrs≥1hr: 91%
Pioneer a living world full of warmth, heroism, and mystery. Help a small group of settlers build a home for themselves in a forgotten land. Establish a food supply, build shelter, defend your people, monitor their moods, and find a way to grow and expand, facing challenges at every step.
Why similar: Colony Sim 48.7% ★, City Builder 35.6%, Strategy 5.8%, Survival 3.3%, Simulation 3.2%
- #36 Stranded: Alien Dawn
73% 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 40.9% ★, Base Building 22%, Strategy 9.7%, Simulation 7.8%, Survival 7.1%
- #37 Endzone 2
73% matchMixed69% of 1,004 reviews2025
Dev: Gentlymad StudiosPub: Assemble Entertainment
Windows
Median: 2.3 hrsMean: 8.5 hrs≥1hr: 70%
Endzone 2 is a post-apocalyptic survival colony builder, where you embark to secure humanity's survival after a cataclysmic disaster. Discover and repopulate the last habitable grounds, while the survival of your people hinges on your wits, foresight, and resilience in a harsh and unforgiving world.
Why similar: Colony Sim 40.2% ★, City Builder 29.7%, Base Building 9.9%, Simulation 4.8%, Strategy 4.4%
- #38 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 51.3% ★, Sci-fi 9.9%, Base Building 8.8%, Strategy 8.3%, Simulation 6.5%
- #39 Colony Simulator
74% matchMixed67% of 424 reviews2022
Dev: Indie Marc
Windows
Can your Colony survive 10 days or more in the desert? Find food, build your colony, recruit new workers, feed your population, craft tools and equipment, cook food and research technologies!
Why similar: Colony Sim 42.1% ★, City Builder 37%, Simulation 10%, Base Building 9.6%, Indie 0.7%
- #40 Citizens: On Mars - Prologue
73% matchMostly Positive73% of 74 reviews2023
Dev: Redkar LimitedPub: CreativeForge Games
Windows
Experience the ultimate turn-based colony building game in Citizens: On Mars - Prologue! As the leader of a fledgling Martian settlement, your mission is to develop a thriving colony amidst the harsh and unforgiving environment of the Red Planet.
Why similar: Colony Sim 36.1% ★, City Builder 28.2%, Strategy 11.1%, Simulation 9.7%, Base Building 5.2%
- #41 Surviving Mars: Relaunched
71% matchMixed52% of 1,856 reviews2025
Dev: Haemimont GamesPub: Paradox Interactive
Windows
Median: 12.4 hrsMean: 26.6 hrs≥1hr: 90%
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 39% ★, City Builder 29.2%, Base Building 7.7%, Strategy 7.4%, Space 6%
- #42 Trappist
71% 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 35% ★, City Builder 27.3%, Base Building 10.2%, Space 5.8%, Sci-fi 5%
- #43 Astro Colony
70% 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 47.9% ★, Base Building 20%, Space 9.7%, Strategy 7.7%, Simulation 6.6%
- #44 Blueprint Tycoon
72% matchVery Positive82% of 1,097 reviews2016
Dev: Endless Loop Studios
Windows · Mac · Linux
Median: 4.1 hrsMean: 6.0 hrs≥1hr: 85%
Build your settlement, gather goods, ensure maximum efficiency and make a profit!
Why similar: Colony Sim 52.8% ★, City Builder 22.9%, Simulation 7.7%, Strategy 5.6%, Management 4.5%
- #45 Laysara: Summit Kingdom
67% matchVery Positive83% of 1,314 reviews2026
Dev: Quite OK GamesPub: Future Friends Games
Windows
Median: 2.1 hrsMean: 4.5 hrs≥1hr: 67%
Build and expand your very own settlements in high mountains! Carefully plan production chains and satisfy various needs of your three-caste society while dealing with mountain hazards such as weather breakdowns and avalanches. Are you skilled enough to make your town thrive?
Why similar: Colony Sim 35.7% ★, City Builder 30.5%, Base Building 10.9%, Strategy 7.4%, Simulation 4.7%
- #46 Ragnorium
72% matchMixed59% of 624 reviews2022
Dev: Vitali KirpuPub: Devolver Digital
Windows
Lead a team of cloned settlers and build a home on a new planet. Start from the Stone Age, construct sturdy shelters, hunt for food, and fight off dangers. Make your team stronger and better equipped to survive.
Why similar: Colony Sim 34.7% ★, City Builder 26.8%, Base Building 10.7%, Sci-fi 6.7%, Strategy 5.7%
- #47 Patron
71% matchMostly Positive72% of 3,136 reviews2021
Dev: Overseer Games
Windows
Median: 3.5 hrsMean: 6.7 hrs≥1hr: 81%
Patron is a survival city builder with a unique social dynamics system. Gather and produce resources, build your fledgling village into a prosperous city and navigate the intricate social tensions before they reach boiling point.
Why similar: Colony Sim 40.7% ★, City Builder 32.6%, Base Building 7.3%, Strategy 7.2%, Survival 4.1%
- #48 The Final Earth 2
70% 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 39.5% ★, City Builder 17.8%, Base Building 10.3%, Sci-fi 6.8%, Strategy 6.7%
- #49 Sapiens
69% matchVery Positive84% of 2,103 reviews2022
Dev: Majic Jungle
Windows · Mac
Median: 6.4 hrsMean: 18.0 hrs≥1hr: 86%
Create your own prehistoric civilization and lead your tribe in a world you shape. Start with nothing, build towns and industry, and advance through thousands of years of technological breakthroughs in this intimate yet expansive colony sim.
Why similar: Colony Sim 40.7% ★, City Builder 30.5%, Base Building 11.8%, Strategy 4.7%, Simulation 3.8%
- #50 InfraSpace
69% matchMostly Positive80% of 1,870 reviews2023
Dev: Dionic Software
Windows · Mac
Median: 3.8 hrsMean: 21.6 hrs≥1hr: 70%
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 43.1%, Base Building 13.1%, Sci-fi 10.4%, Space 9.6%, Simulation 6.2%
- #51 Judgment: Apocalypse Survival Simulation
70% 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 47.2% ★, City Builder 14.5%, Base Building 13.9%, Strategy 5.5%, Survival 4.7%
- #52 Plan B: Terraform
65% matchVery Positive91% of 3,463 reviews2025
Dev: Gaddy Games
Windows
Median: 4.3 hrsMean: 10.9 hrs≥1hr: 80%
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 50% ★, Base Building 15%, Sci-fi 8.4%, Simulation 7.3%, Strategy 6.7%
- #53 Kingdoms and Castles
68% matchVery Positive93% of 30,837 reviews2017
Dev: Lion Shield, LLC
Windows · Mac · Linux
Median: 6.1 hrsMean: 16.0 hrs≥1hr: 88%
Kingdoms and Castles is a city-building simulation game about growing a kingdom from a tiny hamlet to a sprawling city and imposing castle. Make trade agreements, alliance, and war with neighboring AI controlled kingdoms. Each villager and resource is individually simulated.
Why similar: Colony Sim 41.1% ★, City Builder 37.5%, Strategy 6.4%, Base Building 6%, Simulation 3.3%
- #54 Terraformers
67% 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: Sci-fi 26.1%, Space 20.4%, Simulation 20%, Survival 13%, Resource Management 10.2%
- #55 Imagine Earth
68% matchVery Positive82% of 952 reviews2021
Dev: Serious Bros.
Windows · Mac · Linux
Median: 2.8 hrsMean: 5.4 hrs≥1hr: 83%
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 42.6% ★, City Builder 31.8%, Base Building 13%, Strategy 7.3%, Management 2.9%
- #56 Sphere - Flying Cities
69% 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 37% ★, City Builder 28.8%, Sci-fi 8.1%, Strategy 7.5%, Space 6.4%
- #57 Reshaping Mars
66% 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 38.5% ★, Base Building 14.9%, City Builder 13.6%, Strategy 8.5%, Simulation 7%
- #58 Oxygen: First Breath
65% matchVery Positive89% of 1,643 reviews2022
Dev: Turquoise Revival GamesPub: GrabTheGames
Windows
Median: 48 minMean: 6.1 hrs≥1hr: 40%
This is a free version of Oxygen, featuring the first 50 game-days. 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 keep the Oxygen Center running!
Why similar: Colony Sim 33.4% ★, City Builder 29.5%, Base Building 12.7%, Strategy 7.3%, Simulation 5.4%
- #59 Project AURA
68% 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 45.2%, Strategy 12.8%, Sci-fi 11.2%, Simulation 9.6%, Base Building 8.1%