- #1 RimWorld
97% matchOverwhelmingly Positive98% of 239,676 reviews2018
Dev: Ludeon Studios
Windows · Mac · Linux
Median: 59.8 hrsMean: 262.8 hrs≥1hr: 92%
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
Why similar: Colony Sim 32.8%, Base Building 17.1%, City Builder 13.3%, Sandbox 10%, Management 8%
Why You'll Like It: It is the gold standard for colony simulations that focus on deep character personalities, social relationships, and emergent storytelling.
- #2 Dwarf Fortress
96% matchVery Positive95% of 31,055 reviews2022
Dev: Bay 12 GamesPub: Kitfox Games
Windows · Linux
Median: 5.5 hrsMean: 38.6 hrs≥1hr: 78%
Build a fortress and try to help your dwarves survive against a deeply generated world. Keep your dwarves happy, grow their community and beware of digging too deeply. The deepest, most intricate simulation of a world that's ever been created.
Why similar: Colony Sim 25.1%, City Builder 20.1%, Base Building 13.6%, Sandbox 11.3%, Management 9%
Why You'll Like It: This complex simulation tracks the individual needs, history, and social lives of every colonist in an incredibly detailed way.
- #3 Space Haven
96% 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 19.3%, Space Sim 14.4%, City Builder 13.5%, Base Building 10.4%, Sandbox 8%
Why You'll Like It: This space-based colony sim features a strong emphasis on crew management, including individual needs and social interactions within a ship.
- #4 Planetbase
95% 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 28.2%, City Builder 21.9%, Base Building 13.7%, Space 9.4%, Space Sim 5%
Why You'll Like It: It provides a solid space-colony experience that focuses on keeping your population alive through efficient base design.
- #5 Two Point Hospital
94% matchVery Positive92% of 34,521 reviews2018
Dev: Two Point StudiosPub: SEGA
Windows · Mac · Linux
Median: 5.5 hrsMean: 35.1 hrs≥1hr: 89%
Design stunning hospitals, cure peculiar illnesses and manage troublesome staff as you spread your budding healthcare organisation across Two Point County.
Why similar: Management 28.7%, Building 21.8%, Sandbox 14.2%, City Builder 13.5%, Simulation 11.1%
Why You'll Like It: It captures the humorous management style and character-driven objectives found in Space Colony while focusing on facility efficiency.
- #6 Prison Architect
94% matchVery Positive89% of 73,349 reviews2015
Dev: Introversion SoftwarePub: Paradox Interactive
Windows · Mac · Linux
Median: 6.0 hrsMean: 30.2 hrs≥1hr: 87%
Only the world’s most ruthless Warden can contain the world’s most ruthless inmates. Design and develop your personalized penitentiary in Prison Architect.
Why similar: Colony Sim 22.6%, City Builder 16.3%, Base Building 12.5%, Sandbox 10.6%, Building 8.5%
Why You'll Like It: The game balances complex facility construction with the management of individual inmate needs and behavioral traits.
- #7 Oxygen Not Included
93% 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 36.3%, Base Building 18.7%, Resource Management 8.4%, Building 7.1%, Sandbox 6.8%
Why You'll Like It: It offers deep resource management and complex base-building while requiring you to manage the individual stress and health of your duplicants.
- #8 Going Medieval
92% matchVery Positive89% of 20,881 reviews2026
Dev: Foxy VoxelPub: Mythwright
Windows
Median: 7.9 hrsMean: 31.6 hrs≥1hr: 83%
Build and manage your own castle settlement in a land reclaimed by wilderness. With detailed management, survival strategy, and a moddable sandbox world, Going Medieval challenges you to build the mightiest colony this side of the apocalypse.
Why similar: Colony Sim 25.7%, City Builder 20%, Base Building 13.9%, Economy 12.8%, Sandbox 11.3%
Why You'll Like It: This colony sim emphasizes the social lives and personal histories of your settlers as you build and defend your base.
- #9 Clanfolk
91% matchVery Positive92% of 3,845 reviews2022
Dev: MinMax Games Ltd.Pub: Hooded Horse
Windows
Median: 3.6 hrsMean: 18.1 hrs≥1hr: 67%
Clanfolk is a colony sim set in the Scottish Highlands. Harness your environment to survive - fish, gather, hunt, and farm as you prepare for the winter. Build an inn, trade with other clans, have children and marry them off - live life and prosper across the generations.
Why similar: Colony Sim 33.7%, Life Sim 21.4%, Sandbox 16%, Building 12%, Open World 9%
Why You'll Like It: It focuses heavily on family dynamics, social interactions, and survival, mirroring the personal management aspects of the seed game.
- #10 Startopia
91% matchVery Positive90% of 964 reviews2013
Dev: My Little Planet Ltd
Windows
Median: 30 minMean: 9.0 hrs≥1hr: 39%
A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse. Into this age of darkness comes light. You will lead the way in rebuilding the network of space stations to a standard accepted by the individual alien races, attracting them to harness their expertise and research new...
Why similar: Colony Sim 22.8%, City Builder 18.7%, Base Building 13.5%, Management 10.1%, Space 9%
Why You'll Like It: This classic management game shares the humorous tone and space-station setting of Space Colony.
- #11 IXION
89% matchMostly Positive79% of 17,230 reviews2022
Dev: Bulwark StudiosPub: Kasedo Games
Windows
Median: 10.1 hrsMean: 30.9 hrs≥1hr: 90%
IXION is an unrelenting, city-building odyssey across the stars. As Administrator of the Tiqqun, DOLOS’ prototype space station, you are tasked with balancing preservation and exploration as you manage infrastructure, resources and crew. Can you keep the flame of humanity alight in the cold dark?
Why similar: City Builder 23.9%, Colony Sim 21.8%, Space 12.4%, Base Building 10.6%, Resource Management 7.8%
Why You'll Like It: It blends intense resource management with a narrative-driven approach to maintaining a space-faring colony.
- #12 Judgment: Apocalypse Survival Simulation
90% matchVery Positive81% of 2,253 reviews2018
Dev: Suncrash
Windows
Median: 4.7 hrsMean: 25.2 hrs≥1hr: 87%
Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?
Why similar: Colony Sim 32.2%, Base Building 16.1%, City Builder 10.4%, Sandbox 8.8%, Economy 5.9%
Why You'll Like It: It combines base-building with character management, requiring you to balance the individual skills and needs of your survivors.
- #13 Stronghold: Definitive Edition
89% matchVery Positive86% of 10,040 reviews2023
Dev: Firefly Studios
Windows
Median: 4.1 hrsMean: 10.3 hrs≥1hr: 79%
Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.
Why similar: City Builder 20.4%, Colony Sim 18.7%, Base Building 9.9%, Economy 9.7%, Isometric 9%
Why You'll Like It: Created by the same developers, this game shares the distinct real-time strategy and base-building DNA of the seed game.
- #14 Stardeus
86% matchVery Positive87% of 1,534 reviews2022
Dev: Kodo LinijaPub: Paradox Arc
Windows · Mac · Linux
Median: 9.0 hrsMean: 22.6 hrs≥1hr: 77%
Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation.
Why similar: Colony Sim 23.9%, Space Sim 17.5%, Base Building 12.7%, Sandbox 9.4%, Space 9%
Why You'll Like It: This game offers a deep simulation of a space station where you must manage both the physical infrastructure and the needs of your crew.
- #15 The Spatials: Galactology
88% matchMixed69% of 258 reviews2018
Dev: Weird and Wry
Windows · Mac · Linux
Median: 2.8 hrsMean: 4.7 hrs≥1hr: 77%
The Spatials are back with Galactology! Design, build and protect your colony station from the many enemies you will make while exploring the galaxy and exploding their homeworlds.
Why similar: Colony Sim 19.6%, City Builder 16.3%, Space Sim 14.6%, Base Building 10.3%, Sandbox 8.2%
Why You'll Like It: This game combines space station construction with management mechanics that emphasize crew productivity and base expansion.
- #16 Aven Colony
87% 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 38.3%, City Builder 29.6%, Base Building 11%, Strategy 6%, Space 5.3%
Why You'll Like It: It provides a traditional city-builder experience set on an alien world with a focus on colonist happiness and survival.
- #17 Astro Colony
86% 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 23.7%, Base Building 16.7%, Space Sim 14.8%, Space 10.2%, Resource Management 8.1%
Why You'll Like It: It features a unique take on space base-building with a focus on automation and resource management in a modular environment.
- #18 Solargene
82% 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 19.1%, Space Sim 16.1%, City Builder 14.1%, Base Building 10.1%, Economy 7.9%
Why You'll Like It: This colony-sim offers a detailed look at managing a base in space with a focus on resource chains and colonist needs.
- #19 Stellar Settlers: Space Base Builder
83% matchMostly Positive71% of 823 reviews2025
Dev: Tinymice EntertainmentPub: Rogue Duck Interactive
Windows · Mac · Linux
Median: 2.4 hrsMean: 3.5 hrs≥1hr: 76%
Stellar Settlers is a chill space base/city builder and colony sim game. With unique vertical and horizontal base-building gameplay, settle on 10 hostile alien planets and build your own thriving colony. Get enough materials to build a physics-based Spaceship and try to escape from disasters.
Why similar: Colony Sim 21%, City Builder 17%, Space Sim 12%, Base Building 11.4%, Resource Management 6.5%
Why You'll Like It: It provides a focused experience on building and managing a colony on various alien planets.
- #20 Maia
84% 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 43%, Base Building 12.4%, Management 10.5%, Space 8.8%, Strategy 7.1%
Why You'll Like It: This colony sim focuses on the survival of your colonists on a hostile planet, emphasizing individual needs and environmental hazards.
- #21 The Final Earth 2
81% 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 22.1%, Space Sim 15.5%, City Builder 10.7%, Base Building 9.8%, Sandbox 8%
Why You'll Like It: This game offers a relaxing city-building experience with a focus on space-based colony management.
- #22 Spacebase DF-9
85% matchOverwhelmingly Negative18% of 4,327 reviews2014
Dev: Double Fine Productions
Windows · Mac · Linux
Median: 3.2 hrsMean: 4.9 hrs≥1hr: 90%
In Spacebase DF-9, you'll build a home among the stars for a motley population of humans and aliens as they go about their daily lives. Mine asteroids, discover derelicts, and deal with the tribulations of galactic resettlement in Earth's distant future.
Why similar: Base Building 24.4%, Space 20.1%, Sandbox 14.8%, Building 10.2%, Strategy 7.6%
Why You'll Like It: It centers on the construction and management of a space station, focusing on the daily lives of the inhabitants.
- #23 Trappist
79% 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 19.1%, Space Sim 16.9%, City Builder 15.7%, Base Building 9.4%, Sandbox 8%
Why You'll Like It: This game focuses on the challenges of building a colony on a distant planet with a focus on survival and management.
- #24 Stable Orbit - Build your own space station
82% matchMixed50% of 381 reviews2017
Dev: Jim Offerman
Windows · Mac · Linux
Median: 48 minMean: 4.9 hrs≥1hr: 47%
Design, build and control your own space station. Mission command and control is in your hands and only careful planning and vigilant supervision will keep your crew and space station safe.
Why similar: Space Sim 16.5%, Colony Sim 14.7%, City Builder 12.6%, Space 9.5%, Sandbox 9.1%
Why You'll Like It: This game focuses on the technical challenges of building and maintaining a functional space station.
- #25 Meeple Station
81% matchMixed57% of 947 reviews2020
Dev: Gameclaw StudioPub: Modularity
Windows · Mac · Linux
Median: 30 minMean: 9.3 hrs≥1hr: 39%
Build your way to success! Trade your way to the top! Explore your way to infamy! Do it all your way!
Why similar: Colony Sim 16.4%, Space Sim 13%, City Builder 11.7%, Isometric 9.9%, Base Building 9.8%
Why You'll Like It: It is a space station management game that focuses on keeping your crew alive and happy while dealing with various crises.
- #26 Starport Delta
80% 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: Space Sim 21.6%, City Builder 16.7%, Base Building 12.2%, Strategy 11.3%, Space 9.2%
Why You'll Like It: It is a space-themed city builder that focuses on managing resources and expanding your station in a modular way.
- #27 My Colony
79% 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 46.2%, City Builder 42.6%, Strategy 6.6%, Simulation 4.7%
Why You'll Like It: It is a straightforward colony-building game that emphasizes growth and resource management in a space setting.
- #28 Noble Fates
78% matchVery Positive83% of 1,471 reviews2021
Dev: Xobermon, LLC
Windows
Median: 3.5 hrsMean: 12.5 hrs≥1hr: 72%
Harness your Demigod powers to lead a group from rags to riches in this 3D Fantasy Kingdom Management Sim with RPG elements. Command from the sky or take control in 3rd Person to BUILD, BATTLE, and RULE. Navigate a world of interesting Nobles, earn their respect, and decide their Fates.
Why similar: Colony Sim 28.1%, City Builder 22%, Base Building 14.2%, Sandbox 12.3%, Management 8.5%
Why You'll Like It: It features a unique blend of colony management and social simulation where your decisions directly impact the lives of your subjects.
- #29 Space Station Tycoon
78% matchMixed61% of 216 reviews2023
Dev: Lunheim Studios
Windows
Median: 2.8 hrsMean: 8.5 hrs≥1hr: 78%
Create a thriving space station in a lost sector. Face thrilling challenges head-on, from pirate raids to asteroid impacts, as you lead your company to new heights.
Why similar: Colony Sim 20.1%, City Builder 16.6%, Space Sim 16.1%, Base Building 9.7%, Economy 9.5%
Why You'll Like It: It blends management and tower defense elements, requiring you to build and protect your space station.
- #30 Stronghold 2: Steam Edition
77% matchVery Positive89% of 5,627 reviews2017
Dev: Firefly Studios
Windows
Median: 3.4 hrsMean: 18.6 hrs≥1hr: 82%
Tax, torture or treat your peasants! Rehabilitate criminals or sentence them to death? Decide as you enjoy jousting over a lavish banquet, all while under siege from the warmongering Lord Barclay.
Why similar: Colony Sim 21.1%, City Builder 18.7%, Base Building 10.4%, Economy 10.2%, Sandbox 9.4%
- #31 Stronghold HD (2012)
76% matchOverwhelmingly Positive96% of 10,310 reviews2013
Dev: Firefly Studios
Windows
Median: 3.0 hrsMean: 18.4 hrs≥1hr: 81%
The original castle sim, Stronghold HD allows you to design, build and destroy historical castles. Engage in medieval warfare against the AI in one of two single player campaigns or online with up to 8 players.
Why similar: Colony Sim 22.3%, City Builder 18.4%, Base Building 11.4%, Economy 11.3%, Sandbox 9.9%
- #32 Surviving Mars: Relaunched
76% 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: Colony Sim 22.1%, City Builder 17.4%, Immersive Sim 9.9%, Economy 9%, Base Building 7.3%
- #33 Stronghold Legends: Steam Edition
77% matchVery Positive88% of 2,656 reviews2016
Dev: Firefly Studios
Windows
Median: 3.1 hrsMean: 9.1 hrs≥1hr: 86%
Catapult werewolves over castle walls, incinerate troops with dragon fire and command the Knights of the Round Table! This remaster of the mythical ‘castle sim’ features Steam multiplayer, Workshop support, new maps, achievements and DLC campaigns.
Why similar: Colony Sim 20.3%, City Builder 17.7%, Economy 9.9%, Base Building 9.3%, Sandbox 9.1%
- #34 Space Architect
75% 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 24.2%, Base Building 12.9%, Mining 10.6% ★, Economy 8.9%, Sandbox 8.9%
- #35 Stranded: Alien Dawn
74% matchVery Positive84% of 11,043 reviews2023
Dev: Haemimont GamesPub: Paradox Interactive
Windows
Median: 7.0 hrsMean: 24.2 hrs≥1hr: 87%
Brave a new world in Stranded: Alien Dawn, a planet survival sim placing the fate of a small marooned group in your hands. Forge your story through compelling and immersive strategic gameplay as you make vital decisions to protect your survivors.
Why similar: Colony Sim 33%, Base Building 30%, Management 10%, Strategy 7.9%, Resource Management 7.5%
- #36 Space Drilling Station
73% matchVery Positive92% of 77 reviews2026
Dev: Ayota GamesPub: Abiding Bridge
Windows
In Space Drilling Station, manage a drilling station on a distant planet. Build a multi-level vertical structure to produce and manage your resources and staff, in order to dominate the competition!
Why similar: Colony Sim 23%, City Builder 13.5%, Base Building 12.2%, Economy 10.1%, Space 7.7%
- #37 Banished
75% matchVery Positive90% of 43,119 reviews2014
Dev: Shining Rock Software LLC
Windows
Median: 7.8 hrsMean: 27.0 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 37.5%, City Builder 32.8%, Sandbox 7%, Strategy 5.4%, Economy 3.9%
- #38 Farlanders: Prologue
74% 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: Colony Sim 21.6%, City Builder 16.2%, Base Building 11.9%, Economy 8.4%, Isometric 7.2%
- #39 Stronghold: Warlords
73% matchMixed65% of 5,254 reviews2021
Dev: Firefly Studios
Windows
Median: 3.8 hrsMean: 9.5 hrs≥1hr: 85%
Besiege Great Khans, Imperial warlords and Shōgun commanders in Stronghold: Warlords, the latest 'castle sim' from Firefly Studios. Command AI warlords across the battlefield as you build a castle economy and new gunpowder-fuelled siege engines!
Why similar: Colony Sim 20.4%, City Builder 18.4%, Economy 9.6%, Base Building 9.4%, Sandbox 8.6%
- #40 Homeworld Remastered Collection
71% matchVery Positive88% of 14,058 reviews2015
Dev: Gearbox SoftwarePub: Gearbox Publishing
Windows · Mac
Median: 4.7 hrsMean: 34.2 hrs≥1hr: 85%
Experience the epic space strategy games that redefined the RTS genre. Control your fleet and build an armada across more than 30 single-player missions. Choose unit types, fleet formations and flight tactics for each strategic situation.
Why similar: Space 66.2%, Strategy 25.8%, Simulation 5.3%, Female Protagonist 2.7%
- #41 Farlanders
70% matchVery Positive91% of 576 reviews2023
Dev: Andriy BychkovskyiPub: Crytivo
Windows · Mac · Linux
Median: 2.2 hrsMean: 7.8 hrs≥1hr: 61%
Terraform, strategize, and construct a Martian colony in this retro-inspired turn-based city builder. Create a comfortable living for your citizens, research alien artifacts, and uncover the secrets of the Red Planet.
Why similar: Colony Sim 24.5%, City Builder 20.3%, Base Building 13.2%, Space 9.5%, Building 7.9%
- #42 Oxygen
71% 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 21.4%, City Builder 19%, Base Building 12.8%, Sandbox 9.5%, Economy 8.5%
- #43 Exogate Initiative
69% matchMostly Positive76% of 707 reviews2025
Dev: Xeno Bits
Windows
Build and manage mankind’s first mission across the universe! Create a sprawling facility underground, recruit a diverse group of specialists from around the globe and explore mysterious new worlds through the Exogate.
Why similar: Colony Sim 20.5%, City Builder 18.3%, Base Building 12.9%, Sandbox 10.2%, Management 8.5%
- #44 The Colonists
71% matchVery Positive86% of 1,222 reviews2018
Dev: CodebyfirePub: Mode 7
Windows · Mac · Linux
Median: 3.8 hrsMean: 12.2 hrs≥1hr: 84%
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 24.1%, City Builder 20.1%, Economy 12%, Base Building 10.3%, Sandbox 8.3%
- #45 The Spatials
73% 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 15%, Space 11.8%, Isometric 11.5%, Management 11.2%, Colony Sim 11%
- #46 The Crust
69% 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 24%, City Builder 15.8%, Base Building 14.1%, Space 9.7%, Sandbox 9.6%
- #47 Project AURA
72% 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 27.5%, Economy 11.7%, Management 10.3%, Sandbox 9.1%, Resource Management 9%
- #48 Sphere - Flying Cities
72% matchMixed50% of 242 reviews2022
Dev: mañana studiosPub: Assemble Entertainment
Windows
Sphere – Flying Cities is a sci-fi citybuilder which combines strategy, simulation, and survival elements in an extraordinary and immersive scenario. Rebuild and protect a society in a unique and hostile environment. Pay the price for your decisions and be prepared to lose everything.
Why similar: Colony Sim 25.1%, City Builder 20.6%, Mining 15.9% ★, Space 9.2%, Management 7.3%
- #49 Imagine Earth
70% 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 23.9%, City Builder 18.9%, Base Building 12.4%, Immersive Sim 11.5%, Economy 11.2%
- #50 Ascent of Ashes
68% matchMostly Positive70% of 298 reviews2025
Dev: Vivid Storm Interactive
Windows
A colony sim set in a post-apocalyptic dystopia. Build and defend your base. Manage your survivors. Engage raiders, aliens, Remnant soldiers and other factions in real-time-with-pause combat. Or use stealth to outwit them. Explore the massive world. Survive at all costs
Why similar: Colony Sim 22.5%, City Builder 16.3%, Base Building 12%, Immersive Sim 10.3%, Isometric 9.2%
- #51 Moons of Ardan
69% 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 25.7%, City Builder 21.5%, Economy 12.4%, Space 9.7%, Building 8.7%
- #52 Havendock
67% matchMostly Positive80% of 1,898 reviews2025
Dev: YYZ StudioPub: Pretty Soon
Windows · Mac · Linux
Median: 2.3 hrsMean: 10.4 hrs≥1hr: 66%
Breathe easy and thrive in this cozy colony sim. Build a haven for castaways, manage resources, live your best life on the ocean. Lead your humble settlement into a high-tech society.
Why similar: Colony Sim 20.6%, City Builder 16.5%, Life Sim 11.1%, Base Building 10.8%, Sandbox 9.3%
- #53 Sol 0: Mars Colonization
70% 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: Base Building 38.2%, Space 28.9%, Strategy 21.2%, Simulation 11.7%
- #54 Oasis Mission: Colony Sim
67% matchMixed62% of 116 reviews2025
Dev: Lunar pug studio
Windows · Mac
A Sci-Fi colony and strategy sim with a complex economy, immersive logistics, and a war against the rise of the machines! Build your colony and ensure supplies for your people. Automate industrial ships and create combat groups to defend against waves of enemies.
Why similar: Colony Sim 23.4%, City Builder 19.1%, Base Building 11.5%, Economy 10.2%, Immersive Sim 10%
- #55 Anno 2205™
68% 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: City Builder 37.8%, Economy 13%, Space 8.6%, Strategy 8.3%, Management 6.9%
- #56 AColony
66% matchVery Positive89% of 134 reviews2023
Dev: ZeroTris
Windows
A colony building game with an emphasis on unexpected events, online co-op, and managing a unique community. Build your colony, feed your colonists, research technologies, craft advanced weapons, explore the world, fight enemies and defend your property.
Why similar: Colony Sim 27.7%, City Builder 19.8%, Base Building 14.6%, Immersive Sim 11.9%, Building 8.1%
- #57 Reshaping Mars
64% matchVery Positive84% of 832 reviews2023
Dev: TholusPub: Yooreka Studio
Windows
Median: 2.2 hrsMean: 18.4 hrs≥1hr: 62%
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.
Why similar: Colony Sim 26.7%, Base Building 17.5%, Building 10.3%, Space 9.9%, City Builder 9.9%
- #58 The Universim
63% 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 28.6%, City Builder 23.2%, Sandbox 11.7%, Building 8.7%, Space 7.4%
- #59 Settlements Rising
63% matchVery Positive81% of 426 reviews2025
Dev: The Catalyst Crew
Windows
Settlements Rising is a medieval city building and colony management game. It offers a lively colony experience with simulated villagers, dozens of professions and resources, natural disasters, and raids, while providing full control over the colony through trade, production chains and datas.
Why similar: Colony Sim 25.2%, City Builder 21.8%, Base Building 9.3%, Resource Management 7.1%, Sandbox 7.1%