- #1 Per Aspera
96% matchMostly Positive76% of 5,702 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: Mars 21.8% ★, Colony Sim 17%, Base Building 12.8%, Building 9.4%, Space 7.3%
- #2 Dyson Sphere Program
95% matchOverwhelmingly Positive98% of 90,697 reviews2021
Dev: Youthcat StudioPub: Gamirror Games
Windows
Median: 13.1 hrsMean: 75.1 hrs≥1hr: 84%
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.
Why similar: Base Building 24.5%, Space 16.5%, Building 14.7%, Resource Management 10.9%, Management 8.2%
- #3 Planetbase
96% 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 28.5%, Base Building 18.7%, Space 11.9%, City Builder 10.2%, Building 6.1%
- #4 Farlanders
94% 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: Mars 23.4% ★, Colony Sim 17%, Base Building 12.3%, Building 9%, Space 8.3%
- #5 Solargene
94% 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 17.9%, 4X 13.5% ★, Base Building 12.8%, Mars 11.6% ★, Building 8.2%
- #6 Surviving Mars: Relaunched
93% matchMixed53% of 1,989 reviews2025
Dev: Haemimont GamesPub: Paradox Interactive
Windows
Median: 13.5 hrsMean: 30.4 hrs≥1hr: 91%
The award-winning sci-fi city builder is back - remastered, expanded and even more stunning. Colonize Mars and survive the process, from exploration and infrastructure to welcoming colonists and achieving long-term stability. Are you ready? Mars is waiting.
Why similar: Mars 23.9% ★, Colony Sim 19%, Base Building 8.5%, Building 8%, Space 7.9%
- #7 Space Haven
91% 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 21.7%, Base Building 15.8%, Building 11%, Space 9.8%, Management 7.9%
- #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 38.5%, Base Building 14.9%, City Builder 13.6%, Strategy 8.5%, Simulation 7%
- #9 The Crust
90% 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 20%, Base Building 15.8%, Space 10.1%, RTS 9.9%, Building 9%
- #10 Terraformers
89% 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: Mars 36.2% ★, Space 12.6%, Futuristic 11.3%, Resource Management 10.8%, Management 9.5%
- #11 Sol 0: Mars Colonization
91% matchMixed69% of 409 reviews2016
Dev: Chondrite Games
Windows · Mac · Linux
Median: 3.0 hrsMean: 6.9 hrs≥1hr: 74%
Sol 0 is a real time strategy game where you establish the first Martian colony. From the first human footprints on Martian soil to a thriving and self-sustaining colony, Sol 0 imagines a near future using technology that could be available within the next few decades.
Why similar: Mars 36.2% ★, Base Building 22.1%, Space 15.5%, Strategy 12.9%, Simulation 11.2%
- #12 Plan B: Terraform
87% matchVery Positive91% of 3,512 reviews2025
Dev: Gaddy Games
Windows
Median: 4.4 hrsMean: 11.2 hrs≥1hr: 81%
Terraform a lifeless rock into a lush and habitable world. Build trucks, trains, and sprawling factories on an enormous hexagonal planet. Grow its population to millions. Enjoy a dynamic simulation of atmosphere, temperature, water, and forests.
Why similar: Mars 25.1% ★, Colony Sim 21.4%, Base Building 14.4%, Resource Management 10.2%, Building 8.8%
- #13 Stellar Settlers: Space Base Builder
88% 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: Mars 21.7% ★, Colony Sim 19.4%, Base Building 14.2%, Building 9.4%, Resource Management 8%
- #14 Industries of Titan
89% matchMixed63% of 1,609 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: 4X 21.1% ★, Colony Sim 16.7%, Base Building 11.2%, Building 8.7%, Resource Management 8%
- #15 Occupy Mars: The Game
86% 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: Mars 26% ★, Colony Sim 17.5%, Base Building 14.6%, Building 10.4%, Space 9.4%
- #16 Captain of Industry
86% matchVery Positive90% of 10,894 reviews2022
Dev: MaFi Games
Windows
Median: 10.2 hrsMean: 84.6 hrs≥1hr: 82%
Build an industrial empire on a remote island. Mine resources, reshape terrain with excavators, grow food, construct factories, lay train tracks, and trade with the outside world. Research 100+ technologies to advance from basic metal smelting all the way to nuclear power and space flight.
Why similar: Base Building 26.1%, Resource Management 17.1%, Colony Sim 14.6%, Building 11.2%, Management 9.1%
- #17 IXION
85% 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 20%, Space 14.2%, Base Building 13.1%, City Builder 10.1%, Resource Management 9.6%
- #18 Settlement Survival
84% matchVery Positive86% of 7,916 reviews2022
Dev: Gleamer StudioPub: Team17
Windows · Mac
Median: 4.0 hrsMean: 10.5 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 26.8%, Building 15.8%, City Builder 12%, Base Building 11.4%, Management 9.7%
- #19 Mars Horizon
84% matchVery Positive84% of 3,070 reviews2020
Dev: Auroch Digital
Windows · Mac
Median: 5.3 hrsMean: 9.3 hrs≥1hr: 93%
Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.
Why similar: Mars 36.8% ★, Space 13.2%, Building 12.8%, Management 10.6%, Resource Management 8.2%
- #20 Exogate Initiative
82% 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: 4X 15.5% ★, Colony Sim 13.1%, RTS 11.5%, Base Building 11.1%, Building 8.1%
- #21 Terraformers: First Steps on Mars
82% matchVery Positive89% of 700 reviews2021
Dev: Asteroid LabPub: Goblinz Publishing
Windows · Mac · Linux
Median: 1.0 hrsMean: 6.1 hrs≥1hr: 48%
Terraformers: First Steps on Mars is a free prologue of Terraformers, featuring an exclusive challenge to lead humanity's first attempt at settling the Red Planet.
Why similar: Mars 22.2% ★, 4X 20.2% ★, Colony Sim 17.5%, Resource Management 7.5%, Futuristic 7%
- #22 EarthX
81% matchVery Positive88% of 912 reviews2023
Dev: DenisPub: Mesote Games
Windows · Mac · Linux
Median: 6.3 hrsMean: 14.5 hrs≥1hr: 93%
EarthX is a rocket company management game. Go from launching small rockets on Earth to eventually building a colony on Mars. Create your own Internet constellation, develop new technologies, supply the International Space Station and terraform Mars!
Why similar: Grand Strategy 18.1% ★, Colony Sim 18.1%, Base Building 14.2%, Building 11.6%, Space 11.5%
- #23 Space Company Simulator
83% matchMostly Negative28% of 179 reviews2019
Dev: IntermarumPub: All in! Games
Windows
Take the position of a CEO of a space transport company and become a new major player in the industry. Space Company Simulator is a realistic management sim game that will challenge your planning skills as you strive to launch the first manned mission to Mars.
Why similar: Mars 22.7% ★, Base Building 14.9%, Building 11.5%, Space 9.8%, Simulation 7.4%
- #24 New Cycle
79% matchMostly Positive79% of 2,809 reviews2024
Dev: Core EngagePub: Daedalic Entertainment
Windows
Median: 4.7 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 22.6%, Base Building 15.7%, Building 13.1%, City Builder 9.3%, Resource Management 8.8%
- #25 Oxygen Not Included
78% 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 33.5%, Base Building 23.3%, Building 10.8%, Resource Management 10.4%, Management 5.8%
- #26 Citizens: On Mars - Prologue
79% 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 29.8%, Simulation 14.8%, Strategy 13.2%, City Builder 11.2%, Base Building 9.7%
- #27 Astro Colony
78% 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 24.3%, Base Building 23.1%, Space 13.1%, Building 12%, Resource Management 11.1%
- #28 Space Drilling Station
76% 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 20.9%, Base Building 14.9%, Building 9.9%, Space 8.8%, Futuristic 8.6%
- #29 Colony On Mars
81% matchMostly Negative25% of 55 reviews2018
Dev: Nikita "Ghost_RUS"Pub: Ghost_RUS Games
Windows
Median: 30 minMean: 4.4 hrs≥1hr: 21%
You play as an astronaut in a colony on Mars and you need to upgrade your colony, build new constructions and collect resources
Why similar: Base Building 60.9%, Simulation 17.6%, Strategy 17.5%, Indie 4.1%
- #30 Maia
80% 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 34.1%, Base Building 13.3%, Management 9.1%, Space 8.7%, Simulation 8.1%
- #31 Farlanders: Prologue
77% matchVery Positive93% of 288 reviews2021
Dev: Andriy Bychkovskyi
Windows · Mac · Linux
Median: 1.5 hrsMean: 10.5 hrs≥1hr: 57%
Prepare for your journey to Mars by building and managing a colony within the safety of Earth’s atmosphere. Hone your abilities to create a thriving community, terraform the land to suit your needs, and prove your capability for a larger mission. Get ready to launch in this prologue to Farlanders.
Why similar: Mars 26.4% ★, Colony Sim 18.3%, Base Building 13.6%, Building 9.7%, City Builder 6.3%
- #32 Workers & Resources: Soviet Republic
73% matchVery Positive91% of 25,891 reviews2024
Dev: 3DivisionPub: Hooded Horse
Windows
Median: 6.4 hrsMean: 73.1 hrs≥1hr: 77%
Build a soviet republic from an impoverished country into a rich industrial superpower in a city builder with intricate production chains and a fully simulated global economy. Manage the lives of your citizens from education to work and party loyalty to criminal activity.
Why similar: Grand Strategy 17.1% ★, Colony Sim 16.9%, 4X 13.4% ★, Base Building 12.9%, Building 9.6%
- #33 Nova Roma
72% matchVery Positive95% of 1,833 reviews2026
Dev: Lion ShieldPub: Hooded Horse
Windows · Mac
Median: 4.4 hrsMean: 8.1 hrs≥1hr: 79%
The glory of Rome is at your fingertips in this city-building game where you must appease the gods, enact laws, and develop complex supply chains to meet the needs of your citizens.
Why similar: 4X 17.3% ★, Grand Strategy 16.4% ★, Colony Sim 15.6%, Base Building 12.4%, Building 9.1%
- #34 The Final Earth 2
75% 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 23.1%, Base Building 13.7%, Building 11.3%, Space 10.3%, Management 8.2%
- #35 InfraSpace
74% matchMostly Positive80% of 1,907 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: Base Building 17.3%, Building 16.1%, Space 15%, Resource Management 12.9%, City Builder 12.1%
- #36 Anno 2205™
77% matchMostly Positive70% of 6,296 reviews2015
Dev: Blue BytePub: Ubisoft
Windows
Median: 10.2 hrsMean: 54.6 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: 4X 22.6% ★, City Builder 12.1%, RTS 9.8%, Futuristic 9.3%, Strategy 8.2%
- #37 Surviving the Aftermath
75% matchMostly Positive71% of 4,528 reviews2021
Dev: Iceflake StudiosPub: Paradox Interactive
Windows
Median: 4.6 hrsMean: 18.1 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: Colony Sim 28.2%, Base Building 17.3%, City Builder 14.1%, Strategy 11.4%, Simulation 10.4%
- #38 Stranded: Alien Dawn
73% 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: Base Building 30.1%, Colony Sim 24.6%, Simulation 8.6%, Strategy 8.3%, Management 8%
- #39 Solar Expanse - Space Exploration Manager
69% 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: Space 20.2%, Management 12.1%, Resource Management 11.1%, Building 11.1%, Futuristic 10.3%
- #40 The Universim
70% matchMostly Positive80% of 10,560 reviews2024
Dev: Crytivo
Windows · Mac · Linux
Median: 7.3 hrsMean: 34.1 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 31.6%, Building 15.6%, City Builder 11.7%, Space 10.2%, Management 8.8%
- #41 Mars Colonization
73% matchMixed53% of 53 reviews2023
Windows
The time has finally come when we can enjoy a new stage in human development!
Why similar: Mars 27.5% ★, Colony Sim 18.1%, Strategy 13.1%, Base Building 11.6%, Simulation 11.2%
- #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: 4X 19.5% ★, Colony Sim 18.5%, Base Building 12.3%, Building 10.3%, Space 8.1%
- #43 Before We Leave
72% matchMostly Positive78% of 1,706 reviews2021
Dev: Balancing Monkey GamesPub: Team17
Windows · Mac
Median: 3.5 hrsMean: 6.0 hrs≥1hr: 84%
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: Colony Sim 19.4%, Building 14.2%, Base Building 12.5%, Space 12.2%, Resource Management 11.4%
- #44 Imagine Earth
71% matchVery Positive82% of 955 reviews2021
Dev: Serious Bros.
Windows · Mac · Linux
Median: 2.8 hrsMean: 5.3 hrs≥1hr: 84%
Build your own global colonies on distant worlds. Manage energy and resource supplies and produce goods for space trade. Form economic and diplomatic alliances or take over competing corporations. Conduct research to protect your colonists from disasters and avoid a climate crisis.
Why similar: Colony Sim 21.6%, Grand Strategy 21% ★, RTS 18.6%, Base Building 15.1%, City Builder 7.8%
- #45 Cliff Empire
71% matchVery Positive87% of 4,350 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 20.1%, Base Building 11.8%, Futuristic 10.5%, Building 10.4%, City Builder 9.2%
- #46 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 29.1%, Simulation 24.5%, Strategy 22.6%, City Builder 19.5%, Indie 4.3%
- #47 Microtopia
68% 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 22.7%, Base Building 15.2%, Futuristic 9.8%, Resource Management 9.5%, Building 8.4%
- #48 Factory Town
69% matchVery Positive91% of 4,433 reviews2021
Dev: Erik Asmussen
Windows · Mac
Median: 3.5 hrsMean: 14.2 hrs≥1hr: 76%
Build, automate, and optimize a giant factory on 3D terrain using conveyor belts, trains, chutes, pipes, and airships. Sell your goods to nearby villages to expand their borders, increase happiness, and unlock even better technology!
Why similar: Colony Sim 23.5%, Base Building 21.3%, Resource Management 12.2%, Building 10%, Management 10%
- #49 Space Architect
68% 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 25.5%, Base Building 18.3%, Building 12.3%, Management 9.6%, Resource Management 8.6%
- #50 My Colony
70% matchVery Positive90% of 265 reviews2018
Dev: Ape Apps
Windows · Mac · Linux
Build, expand, and rule a growing space colony. Explore tech, trade, and multiplayer.
Why similar: Colony Sim 52.9%, City Builder 22.3%, Simulation 11.8%, Strategy 10.7%, Indie 2.3%
- #51 Whiskerwood
65% matchVery Positive93% of 3,024 reviews2025
Dev: Minakata DynamicsPub: Hooded Horse
Windows
Median: 9.4 hrsMean: 16.3 hrs≥1hr: 88%
Establish a home for your industrious mice under the oppressive paw of your cat overlords in this city builder featuring complex simulations, intricate production chains, and the age-old rivalry between cat and mouse.
Why similar: 4X 17.8% ★, Colony Sim 16.5%, Grand Strategy 16% ★, Base Building 12.1%, Building 9%
- #52 Planet S
66% matchVery Positive92% of 2,857 reviews2023
Dev: Glimmerlight Games
Windows · Linux
Planet S is a real-time strategy game where your goal is to colonize multiple planets in a solar system to advance your civilization, build a city and supply it to grow your faction.
Why similar: RTS 23.4%, Building 13.2%, Space 13%, City Builder 10.3%, Futuristic 9.4%
- #53 Primitive Society Simulator
67% matchVery Positive83% of 731 reviews2024
Dev: YSH BigDovePub: YSH Games
Windows
Median: 3.5 hrsMean: 8.7 hrs≥1hr: 71%
A colony-building game combined with grand strategy elements. Play as a tribal leader, guiding your people from the Stone Age to the Bronze Age. Survive, multiply, and compete for territory among ancient nations.
Why similar: Colony Sim 26.7%, Base Building 19.2%, Building 14.2%, City Builder 9.9%, Management 9.5%
- #54 Utopia Colony
66% matchMixed67% of 109 reviews2026
Dev: GridSky Software
Windows
The year is 2033. You, an ex-Marine with little opportunities left, have signed up with Utopia Arura, a large mining corporation on Mars. They have sent you to a location they have proposed but you have chosen for mining. Everything else is up to you.
Why similar: Mars 32.1% ★, Colony Sim 19.3%, Base Building 13.6%, Space 11.3%, Futuristic 7.3%
- #55 Moons of Ardan
67% matchVery Positive96% of 92 reviews2021
Dev: Pandora Technology
Windows
Embark on a space city-building adventure in Moons of Ardan! Develop a thriving civilization in a real-time planetary system. Oversee production chains, cater to the needs of your axonauts, recover their lost technologies, and navigate resource transportation.
Why similar: Colony Sim 26.3%, Building 14.5%, Space 12.4%, City Builder 10.1%, Resource Management 9.5%
- #56 Oxygen
67% 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 23.9%, Base Building 19.2%, Building 12%, Resource Management 10.5%, City Builder 9.7%
- #57 CLOUD DWELLERS
64% matchVery Positive92% of 71 reviews2026
Dev: XinZhiPub: Xinzhi
Windows
CloudDwellers is a 2D simulation and city-building game set in a world of scattered floating islands. Guide your settlers to harness technology, optimize production, and transform fragmented skies into a thriving, beautifully crafted aerial haven.
Why similar: Colony Sim 29%, Base Building 18.3%, Building 15.3%, Management 10.2%, Resource Management 8.1%