- #1 Planetbase
96% matchMostly Positive80% of 10,370 reviews2015
Dev: Madruga Works
Windows · Mac
Median: 8.1 hrsMean: 26.2 hrs≥1hr: 90%
Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.
Why similar: Base Building 37.9%, Space 32%, Strategy 18.6%, Simulation 9.2%, Indie 2.3%
Why You'll Like It: It shares the core loop of managing a small group of colonists as they struggle to build a self-sustaining base on a hostile alien world.
- #2 Per Aspera
96% matchMostly Positive76% of 5,722 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 40.8% ★, Base Building 21.2%, Space 16.3%, Strategy 12.2%, Simulation 9.4%
Why You'll Like It: You play as an AI tasked with terraforming Mars, blending planetary-scale strategy with intricate base-building mechanics.
- #3 Terraformers
95% matchVery Positive88% of 3,713 reviews2023
Dev: Asteroid LabPub: Goblinz Publishing
Windows · Mac · Linux
Median: 3.4 hrsMean: 9.5 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: Mars 59.2% ★, Space 24.5%, Simulation 16.4%
Why You'll Like It: This game expands on the Martian theme by tasking you with both colony building and the long-term project of terraforming the planet's surface.
- #4 Space Haven
94% matchVery Positive86% of 10,886 reviews2026
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 20.9 hrs≥1hr: 71%
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Why similar: Base Building 33.9%, Space 28.5%, Strategy 18.6%, Simulation 14.4%, Indie 4.6%
Why You'll Like It: This title offers a detailed colony-sim experience where you must manage oxygen, temperature, and crew needs in a harsh space environment.
- #5 IXION
94% matchMostly Positive79% of 17,436 reviews2022
Dev: Bulwark StudiosPub: Kasedo Games
Windows
Median: 9.8 hrsMean: 30.8 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: Space 39.4%, Base Building 27.3%, Strategy 21%, Simulation 11.4%, Indie 0.9%
Why You'll Like It: While set on a space station, it captures the same high-stakes survival and resource management pressure found in Martian colonization games.
- #6 Aven Colony
93% matchMostly Positive72% of 2,765 reviews2017
Dev: Mothership Entertainment LLCPub: Team17 Digital Ltd
Windows
Median: 4.2 hrsMean: 8.1 hrs≥1hr: 90%
Build a new home for humanity in Aven Colony. Discover Aven Prime - an alien planet of deserts, tundras, and wetlands light years from earth. Build your colonies into massive, sprawling cities whilst dealing with the challenges faced when settling on a new world.
Why similar: Base Building 30.7%, Strategy 28%, Simulation 18.9%, Space 18.5%, Indie 4%
Why You'll Like It: This city-builder focuses on establishing a new home on an alien world, requiring you to deal with unique environmental hazards and resource scarcity.
- #7 Reshaping Mars
92% matchVery Positive84% of 832 reviews2023
Dev: TholusPub: Yooreka Studio
Windows
Median: 2.2 hrsMean: 18.4 hrs≥1hr: 62%
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.
Why similar: Mars 36.3% ★, Base Building 22.1%, Space 15.5%, Strategy 12.8%, Simulation 11.1%
Why You'll Like It: This game focuses heavily on the logistics and economic challenges of building a colony on the Martian surface.
- #8 Oxygen Not Included
91% matchOverwhelmingly Positive97% of 142,307 reviews2019
Dev: Klei Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 68.4 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: Base Building 56.4%, Space 16.7%, Strategy 12.8%, Simulation 11.3%, Indie 2.8%
Why You'll Like It: A complex simulation game that requires precise management of gases, liquids, and power to keep your underground colony alive.
- #9 Industries of Titan
91% matchMixed62% of 1,613 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: Base Building 33.2%, Space 27.5%, Strategy 21.6%, Simulation 17.7%
Why You'll Like It: It combines city-building with tactical combat and resource management, perfect for players who enjoy the industrial side of base construction.
- #10 Mars Horizon
90% matchVery Positive84% of 3,071 reviews2020
Dev: Auroch Digital
Windows · Mac
Median: 5.2 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 53.6% ★, Space 22.8%, Strategy 14.1%, Simulation 9.4%
Why You'll Like It: This game focuses on the space agency management side of the Mars mission, providing a great historical and scientific context for colonization.
- #11 Farlanders
89% matchVery Positive91% of 583 reviews2023
Dev: Andrii BychkovskyiPub: Crytivo
Windows · Mac · Linux
Median: 2.2 hrsMean: 7.7 hrs≥1hr: 60%
Terraform, strategize, and construct a Martian colony in this retro-inspired turn-based city builder. Create a comfortable living for your citizens, research alien artifacts, and uncover the secrets of the Red Planet.
Why similar: Mars 43.2% ★, Base Building 20.2%, Space 18.1%, Strategy 10.5%, Simulation 8.1%
Why You'll Like It: A unique turn-based city-builder that challenges you to terraform and build a colony on Mars using limited resources.
- #12 RimWorld
89% matchOverwhelmingly Positive98% of 242,338 reviews2018
Dev: Ludeon Studios
Windows · Mac · Linux
Median: 59.7 hrsMean: 264.0 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: Base Building 54.9%, Strategy 22.2%, Simulation 17.6%, Indie 5.3%
Why You'll Like It: Renowned for its emergent storytelling, this colony simulator provides unparalleled depth in managing individual colonist needs and base infrastructure.
- #13 Stellar Settlers: Space Base Builder
88% matchMostly Positive70% of 828 reviews2025
Dev: Tinymice EntertainmentPub: Rogue Duck Interactive
Windows · Mac · Linux
Median: 2.4 hrsMean: 3.5 hrs≥1hr: 75%
Stellar Settlers is a chill space base/city builder and colony sim game. With unique vertical and horizontal base-building gameplay, settle on 10 hostile alien planets and build your own thriving colony. Get enough materials to build a physics-based Spaceship and try to escape from disasters.
Why similar: Mars 39.8% ★, Base Building 23.1%, Space 15.4%, Strategy 12.2%, Simulation 9.6%
Why You'll Like It: A dedicated space base-building game that emphasizes the technical challenges of surviving on various planets.
- #14 Planet S
85% matchVery Positive92% of 2,874 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: Space 51.1%, Strategy 34.5%, Indie 7.6%, Simulation 6.8%
Why You'll Like It: A real-time strategy city-builder that allows you to expand your reach across multiple planets, starting with the basics of colony survival.
- #15 Maia
87% 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: Base Building 25.6%, Strategy 24.7%, Space 22.4%, Simulation 20.4%, Indie 7%
Why You'll Like It: A gritty, hard-science colony simulation that focuses on the dangers of living on a hostile, isolated planet.
- #16 Exogate Initiative
84% matchMostly Positive75% of 714 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: Base Building 36.5%, Space 25.3%, Strategy 21.2%, Simulation 17%
Why You'll Like It: Focuses on the management of a base dedicated to space exploration, blending research and construction mechanics.
- #17 Solargene
82% matchMostly Positive76% of 841 reviews2026
Dev: Alexander Semenov
Windows
Median: 4.2 hrsMean: 34.3 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: Mars 30.7% ★, Base Building 30%, Space 19.4%, Strategy 13.3%, Simulation 6.6%
Why You'll Like It: A colony-sim that provides a detailed look at the resource management required to survive in space and on planetary surfaces.
- #18 Spacebase DF-9
86% matchOverwhelmingly Negative18% of 4,332 reviews2014
Dev: Double Fine Productions
Windows · Mac · Linux
Median: 3.2 hrsMean: 4.9 hrs≥1hr: 89%
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: Space 31.1%, Base Building 30.4%, Simulation 17.8%, Strategy 16%, Indie 4.7%
Why You'll Like It: A classic space base-building game that tasks you with keeping a diverse group of colonists happy and productive in the vacuum of space.
- #19 Space Company Simulator
84% 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 33.7% ★, Base Building 19.7%, Space 17.3%, Strategy 15.6%, Simulation 12.9%
Why You'll Like It: This game lets you manage the entire lifecycle of a space agency, from initial funding to successful Martian landings.
- #20 Unclaimed World
83% matchMixed50% of 216 reviews2016
Dev: Refactored Games
Windows
Median: 4.1 hrsMean: 5.4 hrs≥1hr: 95%
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: Strategy 45.8%, Simulation 41.6%, Indie 12.6%
Why You'll Like It: A survival-focused colony simulation that emphasizes the difficulty of establishing a foothold on an alien planet.
- #21 Starport Delta
82% matchMostly Positive72% of 75 reviews2020
Dev: Cloudfire Studios
Windows
Build amongst the stars in Starport Delta, a light sci-fi strategy game that focuses on survival. Station Commanders across the universe will turn to you for guidance to expand, defend, and survive. Help them build a thriving station, but watch out, there are many dangers hiding in space...
Why similar: Strategy 29.6%, Simulation 24.1%, Base Building 19.1%, Space 17.7%, Indie 9.6%
Why You'll Like It: A space-themed city-builder that requires careful planning and resource management to keep your station operational.
- #22 My Colony
80% matchVery Positive90% of 270 reviews2018
Dev: Ape Apps
Windows · Mac · Linux
Build, expand, and rule a growing space colony. Explore tech, trade, and multiplayer.
Why similar: Strategy 44.5%, Simulation 40.2%, Indie 15.3%
Why You'll Like It: A straightforward but deep colony-building game that allows for extensive expansion and technological progression.
- #23 Red Planet Farming
79% matchOverwhelmingly Positive96% of 884 reviews2020
Dev: Nina Demirjian
Windows · Mac · Linux
Become the first Agricultural Director of Mars in Red Planet Farming! This casual strategy game tasks players with producing enough food to feed a growing population of settlers on the red planet.
Why similar: Mars 51.1% ★, Strategy 37.2%, Indie 11.7%
Why You'll Like It: A niche strategy game that focuses on the agricultural aspect of sustaining a colony on Mars.
- #24 The Crust
78% matchMostly Positive77% of 3,637 reviews2024
Dev: VEOM StudioPub: Crytivo
Windows
Median: 6.9 hrsMean: 23.8 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: Base Building 37%, Space 31.4%, Strategy 16.1%, Simulation 12.4%, Indie 3.1%
- #25 Occupy Mars: The Game
77% matchMixed70% of 3,099 reviews2026
Dev: ▲ Pyramid Games
Windows
Median: 4.4 hrsMean: 34.2 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 44.7% ★, Base Building 22.3%, Space 19.1%, Simulation 10.1%, Indie 3.8%
- #26 Mars Colonization
79% matchMixed53% of 53 reviews2023
Windows
The time has finally come when we can enjoy a new stage in human development!
Why similar: Mars 38.5% ★, Strategy 26.2%, Simulation 18.2%, Base Building 14.5%, Indie 2.6%
Why You'll Like It: A strategy-focused simulation that emphasizes the step-by-step process of building infrastructure on Mars.
- #27 Solar Expanse - Space Exploration Manager
76% matchVery Positive88% of 1,153 reviews2026
Dev: SpaceOpsPub: Games Operators
Windows
Median: 4.8 hrsMean: 14.6 hrs≥1hr: 77%
Explore the Solar System. Mine and drop asteroids. Colonize and terraform. Lead the space race and compete with other corporations on your way to profit. Watch the expansion of human race over the centuries.
Why similar: Space 48.4%, Simulation 23.5%, Strategy 20.3%, Indie 7.7%
- #28 Colony On Mars
81% matchMostly Negative25% of 55 reviews2018
Dev: Nikita "Ghost_RUS"Pub: Ghost_RUS Games
Windows
Median: 30 minMean: 4.3 hrs≥1hr: 20%
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 49.7%, Strategy 22.9%, Simulation 18.8%, Indie 8.6%
Why You'll Like It: A focused indie title that captures the basic requirements of building a functional habitat on the Martian surface.
- #29 Earth Space Colonies
81% 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 32.8%, Strategy 30.7%, Simulation 27.2%, Indie 9.3%
Why You'll Like It: A simulation game that tasks you with managing colonies across different planets, including Mars, with a focus on survival.
- #30 Astro Colony
74% matchVery Positive81% of 2,654 reviews2026
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: Base Building 38.1%, Space 29.6%, Strategy 14.7%, Simulation 13.2%, Indie 4.4%
- #31 Surviving Mars: Relaunched
75% matchMixed54% of 2,051 reviews2025
Dev: Haemimont GamesPub: Paradox Interactive
Windows
Median: 13.8 hrsMean: 31.3 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 43.9% ★, Space 17.2%, Base Building 13.9%, Strategy 13.6%, Simulation 11.3%
- #32 InfraSpace
75% matchMostly Positive80% of 1,928 reviews2023
Dev: Dionic Software
Windows · Mac
Median: 3.8 hrsMean: 21.4 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: Space 37.2%, Base Building 32.1%, Simulation 16.4%, Strategy 14.3%
- #33 Plan B: Terraform
73% matchVery Positive91% of 3,542 reviews2025
Dev: Gaddy Games
Windows
Median: 4.3 hrsMean: 11.1 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 47.9% ★, Base Building 24.5%, Simulation 12.8%, Strategy 11.1%, Indie 3.6%
- #34 Offworld Trading Company
76% matchMostly Positive77% of 5,700 reviews2016
Dev: Mohawk GamesPub: Stardock Entertainment
Windows · Mac
Median: 3.6 hrsMean: 35.2 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: Base Building 29.7%, Space 27.1%, Strategy 23.9%, Simulation 19.3%
- #35 PeriAreion
78% matchMixed41% of 64 reviews2015
Dev: Explorasaurus Studios
Windows · Mac
Median: 4.8 hrsMean: 7.2 hrs≥1hr: 97%
Prepare for the ultimate test of survival! Do you have the skill necessary to build and manage the first sustainable extraterrestrial colony, or will your colonists become mere footnotes in the history of human space exploration? Their lives and legacies are in your hands!
Why similar: Strategy 40.1%, Simulation 32.5%, Space 14.4%, Indie 13.1%
Why You'll Like It: A strategy-focused indie game that explores the logistical challenges of Mars colonization.
- #36 Captain of Industry
73% matchVery Positive90% of 11,125 reviews2022
Dev: MaFi Games
Windows
Median: 9.9 hrsMean: 84.1 hrs≥1hr: 81%
Build an industrial empire on a remote island. Mine resources, reshape terrain with excavators, grow food, construct factories, lay train tracks, and trade with the outside world. Research 100+ technologies to advance from basic metal smelting all the way to nuclear power and space flight.
Why similar: Base Building 54.8%, Strategy 22.9%, Simulation 19.8%, Indie 2.4%
- #37 Mars Colony:Challenger
77% matchMixed65% of 119 reviews2014
Dev: HyperKat Games
Windows
Mars Colony: Challenger is a 3D first / third person game that offers you the challenge of setting up a remote base on the surface of Mars. At its core, the game was derived from a simulator where everything is interactively tied together.
Why similar: Mars 38.8% ★, Simulation 28.4%, Space 26.6%, Indie 6.3%
- #38 Stranded: Alien Dawn
72% matchVery Positive84% of 11,117 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 51.5%, Strategy 22.9%, Simulation 19.3%, Space 6.3%
- #39 The Universim
71% matchMostly Positive80% of 10,595 reviews2024
Dev: Crytivo
Windows · Mac · Linux
Median: 7.3 hrsMean: 34.0 hrs≥1hr: 89%
Jump straight into managing your own planets as you guide a civilization through the ages. Build the ultimate empire in The Universim, a new breed of God Game in development by Crytivo.
Why similar: Space 46.5%, Strategy 29.5%, Simulation 24%
- #40 Take On Mars
74% matchMixed55% of 2,032 reviews2017
Dev: Bohemia Interactive
Windows
Median: 3.0 hrsMean: 10.8 hrs≥1hr: 87%
Take On Mars places you right in the middle of mankind’s most exciting undertaking. Start out in the seat of a rover operator, finish as the first human to have ever set foot on the Red Planet.
Why similar: Mars 56.9% ★, Space 26.7%, Simulation 16.4%
- #41 Dyson Sphere Program
69% matchOverwhelmingly Positive97% of 91,085 reviews2021
Dev: Youthcat StudioPub: Gamirror Games
Windows
Median: 13.1 hrsMean: 75.3 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 39.7%, Space 35.6%, Simulation 12.8%, Strategy 10.5%, Indie 1.4%
- #42 Citizens: On Mars - Prologue
72% 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: Strategy 35.3%, Simulation 32.2%, Base Building 17.2%, Space 15.3%
- #43 Project AURA
73% 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: Strategy 37.5%, Simulation 29.6%, Base Building 23.3%, Indie 9.6%
- #44 Terraformers: First Steps on Mars
71% matchVery Positive89% of 700 reviews2021
Dev: Asteroid LabPub: Goblinz Publishing
Windows · Mac · Linux
Median: 1.0 hrsMean: 6.1 hrs≥1hr: 49%
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 61.3% ★, Strategy 21.5%, Simulation 17.2%
- #45 EarthX
70% matchVery Positive88% of 912 reviews2023
Dev: DenisPub: Mesote Games
Windows · Mac · Linux
Median: 6.3 hrsMean: 15.8 hrs≥1hr: 93%
EarthX is a rocket company management game. Go from launching small rockets on Earth to eventually building a colony on Mars. Create your own Internet constellation, develop new technologies, supply the International Space Station and terraform Mars!
Why similar: Space 30%, Base Building 27.8%, Strategy 19.3%, Simulation 16.6%, Indie 6.4%
- #46 Space Drilling Station
68% matchVery Positive92% of 78 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: Base Building 37.5%, Space 29.5%, Simulation 17.4%, Strategy 15.7%
- #47 Final Upgrade
70% matchMostly Positive77% of 457 reviews2022
Dev: TaosX
Windows
Median: 4.2 hrsMean: 12.2 hrs≥1hr: 69%
Help humanity to spread throughout the cosmos by exploring new worlds, building space factories and setting up trade routes. Research advanced technologies to increase efficiency and unlock new paths of development. Fight off other artificial intelligences in your goal to reach the Final Upgrade!
Why similar: Base Building 34.2%, Space 31.6%, Strategy 15.7%, Simulation 14.2%, Indie 4.3%
- #48 New Cycle
69% matchMostly Positive79% of 2,839 reviews2024
Dev: Core EngagePub: Daedalic Entertainment
Windows
Median: 4.2 hrsMean: 7.7 hrs≥1hr: 87%
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: Base Building 46.9%, Strategy 30.7%, Simulation 22.4%
- #49 BlackChain
71% matchVery Positive86% of 120 reviews2021
Dev: Borington
Windows
A classic single-player RTS set in a Solar System ruled by megacorporations. Journey from Mars all the way to Planet 9 and uncover the secrets of the BlackChain.
Why similar: Mars 42.9% ★, Base Building 23.9%, Space 18.7%, Strategy 12.9%, Indie 1.6%
- #50 Stationeers
69% matchVery Positive88% of 9,110 reviews2017
Dev: RocketWerkz
Windows
Median: 9.9 hrsMean: 83.8 hrs≥1hr: 85%
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!
Why similar: Base Building 54.7%, Space 45.3%
- #51 Utopia Colony
68% matchMixed66% of 111 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 45.7% ★, Space 19.1%, Base Building 17.2%, Strategy 8.8%, Simulation 7.3%
- #52 Space Colony: Steam Edition
70% matchVery Positive80% of 663 reviews2015
Dev: Firefly Studios
Windows
Median: 3.4 hrsMean: 5.0 hrs≥1hr: 88%
Space Colony: Steam Edition is a remaster of the real-time base builder and strategy game from Firefly Studios, creators of the Stronghold series. In Space Colony you colonize to survive, designing intergalactic bases that keep your crew productive, happy and defended against hostile alien threats.
Why similar: Base Building 38.2%, Space 28.9%, Strategy 21.1%, Simulation 11.7%
- #53 Farlanders: Prologue
68% matchVery Positive93% of 288 reviews2021
Dev: Andrii 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 47.1% ★, Base Building 21.6%, Strategy 11.7%, Space 10.9%, Simulation 8.7%
- #54 Surviving the Aftermath
67% matchMostly Positive71% of 4,548 reviews2021
Dev: Iceflake StudiosPub: Paradox Interactive
Windows
Median: 4.6 hrsMean: 18.3 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: Strategy 37%, Base Building 35.3%, Simulation 27.6%
- #55 Endzone - A World Apart
66% matchMostly Positive77% of 9,918 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: Base Building 41.2%, Strategy 33.2%, Simulation 19.9%, Indie 5.7%
- #56 Trappist
66% 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: Base Building 35.7%, Space 31.5%, Strategy 17.7%, Simulation 15%
- #57 Before We Leave
67% matchMostly Positive78% of 1,716 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: Space 36%, Base Building 27.7%, Strategy 18.7%, Simulation 17.5%
- #58 The Final Earth 2
65% matchVery Positive97% of 406 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: Space 31.4%, Base Building 31.4%, Strategy 20.8%, Simulation 13.6%, Indie 2.8%