- #1 Occupy Mars: The Game
97% matchMostly Positive70% of 3,012 reviews2026
Dev: ▲ Pyramid Games
Windows
Median: 4.2 hrsMean: 31.4 hrs≥1hr: 77%
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: Colony Sim 21.7% ★, Crafting 13.8%, Base Building 13.7%, Building 11.9%, Survival 10.6%
- #2 The Planet Crafter
96% matchOverwhelmingly Positive96% of 67,314 reviews2024
Dev: Miju Games
Windows
Median: 21.1 hrsMean: 37.2 hrs≥1hr: 91%
A space survival open world terraforming crafting game, designed for 1 to 10 players. Alter the ecosystem of an inhospitable planet to render it habitable for humanity. Survive, gather resources, and build your base. Then, generate oxygen, warmth, and pressure to create a brand new biosphere.
Why similar: Base Building 20%, Crafting 16.9%, Building 16.3%, Survival 15.4%, Open World 11.7%
- #3 Astro Colony
96% 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 29% ★, Base Building 21%, Building 13.1%, Crafting 11.6%, Open World 8.3%
- #4 Stranded: Alien Dawn
95% 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 22.2% ★, Base Building 20.7%, Survival 17%, Crafting 13.6%, Management 7.7%
- #5 StarRupture
93% matchVery Positive81% of 10,861 reviews2026
Dev: Creepy Jar
Windows
Median: 6.6 hrsMean: 18.9 hrs≥1hr: 88%
StarRupture is a first-person open world base-building game with advanced combat and tons of exploration. Play alone or in a group on this sublime and ever-changing planet, extract and manage resources, create your complex industrial system and fight off hordes of alien monsters.
Why similar: Colony Sim 23.1% ★, Base Building 16.3%, Crafting 14.4%, Survival 13.1%, Open World 11%
- #6 Planetbase
94% 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 37.3% ★, Base Building 18.6%, Survival 12.8%, Building 7.3%, Management 5.6%
- #7 Eden Crafters
92% matchVery Positive86% of 2,214 reviews2024
Dev: Osaris Games
Windows
Median: 4.5 hrsMean: 13.5 hrs≥1hr: 79%
Embark on a journey of survival, crafting, and automation in Eden Crafters, a solo and co-op open-world game that challenges you to turn a hostile planet into a habitable haven for humanity. Temper the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!
Why similar: Base Building 17.7%, Colony Sim 17.4% ★, Crafting 17.1%, Building 13.4%, Survival 11.6%
- #8 Maia
94% 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 37.1% ★, Survival 12.9%, Base Building 11%, Management 10.3%, Simulation 8%
- #9 Mercury Fallen
91% matchMostly Positive79% of 307 reviews2023
Dev: Nitrous ButterflyPub: indie.io
Windows · Mac
Median: 3.2 hrsMean: 5.3 hrs≥1hr: 87%
A sci-fi colony management sim with a focus on exploration, expansion, and survival. Rebuild your underground facility, manage colonists and robots, and uncover the mysteries of an alien world light-years from Earth. Dig deep, expand across the surface, and shape your new home.
Why similar: Colony Sim 23.6% ★, Base Building 12.9%, Building 11.7%, Survival 10.8%, Crafting 10.5%
- #10 One Lonely Outpost
91% matchMixed59% of 638 reviews2025
Dev: indie.io
Windows
Median: 8.5 hrsMean: 10.6 hrs≥1hr: 80%
An alien world sometimes needs a farmer’s touch to bring it to life. In this sci-fi, colonization-life sim, terraform a barren world: turn wastelands into verdant landscapes while exploring, farming, building, and unlocking all the mysteries of this strange new planet.
Why similar: Colony Sim 27.2% ★, Farming Sim 21.2%, Base Building 11.7%, Crafting 10.8%, Building 10.5%
- #11 Star Crafter
90% matchMixed69% of 104 reviews2025
Dev: Tbjbu2
Windows
A space survival crafting mining base building and star system building game. Craft rockets to create planets and Dyson Rings, mine and craft advanced materials, terraform the terrain, manage electricity, farm food, and more as you watch the star system evolve into stunning, ever-changing views.
Why similar: Crafting 21.4%, Base Building 21.2%, Survival 13.3%, Building 12.5%, Open World 9.7%
- #12 Skyformer
89% matchVery Positive90% of 59 reviews2025
Dev: Weatherfused
Windows
Create an automated system that terraforms a planet with an army of drones. Craft and build bases, set up a weather monitoring system, prepare to survive different types of storms, and take control of the climate and biomes!
Why similar: Base Building 17.3%, Crafting 16.4%, Building 14.7%, Survival 13.9%, Open World 11%
- #13 The Planet Crafter: Prologue
89% matchOverwhelmingly Positive96% of 10,643 reviews2021
Dev: Miju Games
Windows
Median: 1.4 hrsMean: 3.9 hrs≥1hr: 55%
Experience the first stages of terraforming an entire planet in this space survival open world terraforming crafting game prologue. Explore, survive, collect, build your base then create oxygen, heat and pressure to make an hostile planet livable for humanity.
Why similar: Base Building 21.7%, Survival 20.2%, Crafting 19.5%, Open World 14.9%, Building 9.7%
- #14 Oxygen
87% 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 25.1% ★, Base Building 15.4%, Survival 12%, Building 11.6%, Crafting 11.4%
- #15 I Am Future: Cozy Apocalypse Survival
85% matchVery Positive85% of 4,518 reviews2024
Dev: MandragoraPub: tinyBuild
Windows
Median: 8.8 hrsMean: 14.6 hrs≥1hr: 86%
I Am Future is a relaxing single-player survival game about building a cozy rooftop camp amid a flooded post-apocalyptic city. Set up a farm, go fishing, tinker with gadgets, craft new tools, manage a team of cute robots to automate and expand your base, explore the mysterious world, and chill out!
Why similar: Farming Sim 21.3%, Crafting 15.6%, Building 13.9%, Base Building 12%, Open World 10.6%
- #16 Settlement Survival
86% matchVery Positive86% of 7,842 reviews2022
Dev: Gleamer StudioPub: Team17
Windows · Mac
Median: 4.0 hrsMean: 10.8 hrs≥1hr: 80%
In this city-building game, you will lead a group of survivors in their search for a new home. Manipulate the landscape, manage limited supplies, plant crops, hunt wildlife, gather resources, and develop trade routes to build a bustling and unique town.
Why similar: Colony Sim 31.8% ★, Building 17.1%, Survival 14%, Management 11.9%, Base Building 10.2%
- #17 Retreat To Enen
86% matchMixed61% of 401 reviews2022
Dev: Head WestPub: indie.io
Windows
Base building simulator 1500 years in the future. Journey to the Island of Enen to forage, craft, build, hunt, meditate, and explore across three vast biomes. Discover secrets and create the retreat of your dreams. With over 160 unique items to gather, craft, and build, every home will be unique.
Why similar: Base Building 16.4%, Survival 14.7%, Crafting 14.1%, Building 13.3%, Open World 11.2%
- #18 The Last Caretaker
83% matchVery Positive85% of 9,793 reviews2025
Dev: Channel37 Ltd
Windows
Median: 18.8 hrsMean: 30.9 hrs≥1hr: 93%
Explore a drowned Earth, restore lost systems, and raise the last human seeds in this first-person survival-crafting adventure. Build, scavenge, defend, and launch humanity back to the stars.
Why similar: Base Building 17.7%, Crafting 17.4%, Survival 14.8%, Open World 12.7%, Management 11.4%
- #19 AColony
84% 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 24.2% ★, Base Building 13.1%, Crafting 10.9%, Building 10.7%, Survival 10.4%
- #20 Stardeus
84% matchVery Positive87% of 1,529 reviews2022
Dev: Kodo LinijaPub: Paradox Arc
Windows · Mac · Linux
Median: 8.7 hrsMean: 22.6 hrs≥1hr: 77%
Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation.
Why similar: Colony Sim 26% ★, Base Building 14.1%, Crafting 12.8%, Survival 11.3%, Open World 9.1%
- #21 Oxygen Not Included
81% 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 36.9% ★, Base Building 19.5%, Survival 14.4%, Building 10.8%, Management 6.6%
- #22 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 26.9% ★, Base Building 17.3%, Building 15.3%, Management 12.7%, Simulation 7.4%
- #23 Blossom: The Seed of Life
79% matchVery Positive90% of 654 reviews2026
Dev: Pebbledust GamesPub: Pretty Soon
Windows
Terraform a dead planet back to life in this open world survival crafting game. Explore ruins, gather resources, print machines, drive modular vehicles, grow forests, biomes, and ecosystems. Create life and make it thrive with your own hands.
Why similar: Base Building 21.1%, Crafting 18.2%, Building 17.2%, Survival 14.1%, Open World 12.9%
- #24 Sphere - Flying Cities
82% 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 30.9% ★, Crafting 15.1%, Survival 14.7%, Building 13.3%, Sci-fi 6.5%
- #25 Space Haven
80% 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 25.9% ★, Base Building 14.1%, Building 12.1%, Survival 11.4%, Management 9.9%
- #26 Embark
82% matchMixed61% of 386 reviews2019
Dev: Overly Complicated Games
Windows
Inspired by the deep simulation of Dwarf Fortress, the open world survival of Minecraft, and the social interactions of The Sims. Embark is a colony management game with a focus on complex simulation in a huge living 3D world.
Why similar: Colony Sim 37.2% ★, Base Building 14.7%, Building 9.1%, Crafting 8.6%, Survival 8.3%
- #27 Founders' Fortune
79% matchVery Positive80% of 2,168 reviews2020
Dev: Dionic Software
Windows · Mac
Median: 1.6 hrsMean: 9.9 hrs≥1hr: 57%
A fantasy village builder focusing on creative building, colonist psychology and base defense. Handle resources, farming, production, tools, diplomacy, families, trading, defense, and research, as well as the wishes, expectations, thoughts, and equipment of every villager.
Why similar: Colony Sim 40.9% ★, Base Building 16.1%, Building 12.1%, Survival 9.1%, Management 6.5%
- #28 Ocean World: Eden Crafters Prologue
77% matchVery Positive91% of 7,161 reviews2024
Dev: Osaris Games
Windows
Median: 1.3 hrsMean: 3.0 hrs≥1hr: 55%
Embark on a journey of survival, crafting, and automation in this free prologue introducing one of the planets you can transform in Eden Crafters – an upcoming open-world game that challenges you, alone or with friends, to turn a hostile planet into a habitable haven for humanity.
Why similar: Base Building 21%, Crafting 18.4%, Open World 14%, Building 14%, Survival 12.2%
- #29 CryoFall
78% matchMostly Positive79% of 6,397 reviews2021
Dev: AtomicTorch StudioPub: Daedalic Entertainment
Windows
Median: 5.0 hrsMean: 16.4 hrs≥1hr: 88%
CryoFall is a sci-fi colony simulation survival game set on a forgotten planet in a distant future. Master technology, agriculture, trading, industry, cybernetics, exploration, and more!
Why similar: Colony Sim 26.8% ★, Crafting 14.7%, Base Building 14.2%, Building 12.3%, Survival 11.5%
- #30 Surviving the Aftermath
77% 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: Colony Sim 30.2% ★, Survival 16.3%, Base Building 14.2%, Simulation 10.3%, Building 8.4%
- #31 Satisfactory
72% matchOverwhelmingly Positive97% of 265,414 reviews2024
Dev: Coffee Stain StudiosPub: Coffee Stain Publishing
Windows
Median: 31.8 hrsMean: 108.4 hrs≥1hr: 94%
Satisfactory is a first-person open-world factory building game with a dash of exploration and combat. Play alone or with friends, explore an alien planet, create multi-story factories, and enter conveyor belt heaven!
Why similar: Base Building 26.6%, Crafting 19.7%, Building 16.4%, Open World 14.8%, Survival 7.5%
- #32 ASTRONEER
75% matchVery Positive92% of 136,711 reviews2019
Dev: System Era Softworks
Windows
Median: 11.7 hrsMean: 44.1 hrs≥1hr: 87%
Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends.
Why similar: Survival 19.7%, Base Building 18.9%, Open World 17.4%, Crafting 14.3%, Building 13.7%
- #33 Craterbound
78% matchMixed54% of 99 reviews2022
Dev: Daniel Marquez
Windows
Crash-land onto a unique and hostile alien world and begin your fight to survive. Face its inhabitants, upgrade your technology, create outposts & bases, and find a way to repair your ship. Explore the beautifully strange terrain, all while blasting and crafting your way off of the planet.
Why similar: Base Building 19.8%, Crafting 19.1%, Survival 18.2%, Open World 15.7%, Sci-fi 7.1%
- #34 Catizens
74% matchVery Positive82% of 366 reviews2024
Dev: badopticsgamesPub: HeroCraft PC
Windows
Median: 54 minMean: 4.9 hrs≥1hr: 44%
Inspired by RimWorld and The Sims, Catizens is a colony management simulation game where you watch over unique cats with quirky personalities, as you help them build and grow their settlement while exploring new lands, facing off against wildlife and overcoming the challenges of each environment.
Why similar: Colony Sim 24.3% ★, Farming Sim 14.3%, Building 11.9%, Crafting 10.4%, Survival 9.7%
- #35 Lightyear Frontier
73% matchVery Positive84% of 4,206 reviews2024
Dev: FRAME BREAK
Windows
Median: 5.7 hrsMean: 10.8 hrs≥1hr: 87%
In Lightyear Frontier you use your powerful trusty mech to farm on a large beautiful alien planet. Settle your homestead, farm and deliver produce to remote colonies, gather and manage resources, build, craft, explore, expand, improve your mech, meet neighbors, and make a place to call your own.
Why similar: Farming Sim 22%, Base Building 16.2%, Crafting 16.2%, Survival 10.8%, Management 9.8%
- #36 Astrometica
73% matchVery Positive83% of 2,970 reviews2024
Dev: BeryMeryPub: RockGame S.A.
Windows
Median: 4.9 hrsMean: 17.8 hrs≥1hr: 73%
Astrometica is a space exploration and base-building survival game. After a catastrophic event, explore vast space, gather resources, build bases, and uncover cosmic mysteries. Use advanced technology, craft tools, and discover new blueprints to survive and thrive in the unknown.
Why similar: Crafting 22.1%, Survival 20.5%, Base Building 19.1%, Open World 17.4%, Sci-fi 7.5%
- #37 Farworld Pioneers
76% matchMostly Negative38% of 691 reviews2023
Dev: IgloosoftPub: tinyBuild
Windows
Explore an open world, sci-fi sandbox – in PVP, PVE, and co-op. Build and manage colonies on alien planets, and recruit AI survivors with unique personalities and skills. Craft, build, mine, farm, or get your electric death rifle and say hello to your neighbors.
Why similar: Colony Sim 27.3% ★, Base Building 15.2%, Crafting 15%, Survival 11.8%, Management 11%
- #38 Common'hood
76% matchMixed51% of 338 reviews2022
Dev: Plethora Project
Windows
Common’hood is a community building and economy management game with highly customizable base building tools. Scavenge for materials, grow your own food, research new technology, craft new tools, build a home, make friends. Form your community and take it from surviving to thriving!
Why similar: Colony Sim 23.8% ★, Crafting 15.4%, Base Building 15.3%, Building 15.1%, Management 10.2%
- #39 Survival Vacancy
75% matchMixed64% of 88 reviews2021
Dev: Mind Leak
Windows · Mac · Linux
In a nuclear apocalypse, you have to use your engineering skills to save as many survivors as possible. Defending, mining, crafting, creating production lines, and building an underground city for the survivors is your goal in this 2d side-scrolling automation game.
Why similar: Colony Sim 29.1% ★, Crafting 13.5%, Base Building 13.3%, Building 13%, Survival 10.9%
- #40 Keplerth
71% matchVery Positive85% of 4,121 reviews2022
Dev: TAROPub: Gamirror Games
Windows
Median: 8.0 hrsMean: 16.2 hrs≥1hr: 85%
Welcome to Keplerth! Try to survive on a hostile alien planet in this 2D sandbox RPG, where you can choose to live alone or fight side by side with your friends in the online multiplayer mode. Survive, build, farm, fight, and explore your way to victory in this open-world adventure!
Why similar: Building 20%, Survival 18.8%, Open World 16.1%, Base Building 9.7%, Crafting 9.1%
- #41 Judgment: Apocalypse Survival Simulation
73% matchVery Positive81% of 2,242 reviews2018
Dev: Suncrash
Windows
Median: 4.7 hrsMean: 25.2 hrs≥1hr: 87%
Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?
Why similar: Colony Sim 31.8% ★, Base Building 16.2%, Survival 14%, Crafting 9.2%, Building 7%
- #42 Empyrion - Galactic Survival
71% matchMostly Positive79% of 34,087 reviews2020
Dev: Eleon Game Studios
Windows
Median: 6.3 hrsMean: 76.7 hrs≥1hr: 77%
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
Why similar: Building 20.1%, Survival 17.8%, Crafting 17.7%, Open World 15.1%, Simulation 10.7%
- #43 Prospector
69% matchMostly Positive72% of 149 reviews2025
Dev: Loonworks Games
Windows
Land on a distant planet in this chill resource management game. Harvest alien resources, build and automate machinery, uncover secrets across the stars and strike shipping deals with distant colonies for exclusive rewards!
Why similar: Base Building 19.1%, Crafting 17.5%, Building 16.9%, Open World 13.3%, Survival 12.7%
- #44 Outpath
68% matchVery Positive94% of 2,905 reviews2023
Dev: David Moralejo SánchezPub: GrabTheGames
Windows
Median: 5.1 hrsMean: 13.2 hrs≥1hr: 87%
An experimental clicker base building game. Craft, gather & manage resources, build your base and buy more islands to exploit and expand!
Why similar: Farming Sim 20.9%, Base Building 17.1%, Crafting 16.8%, Building 12.3%, Management 9.3%
- #45 Grandiose
72% matchMixed66% of 213 reviews2021
Dev: Valentin SupiotPub: Heldenlied
Windows
Grandiose is a calming and creative base builder game full of botany, building and strategy. Land on the island that will become your domain in a universe soon to be borrowed from the ingenious and creative abilities of your mind.
Why similar: Farming Sim 15.9%, Building 13.8%, Survival 13.8%, Base Building 13.4%, Crafting 13%
- #46 The Pioneers: Surviving Desolation
70% matchMixed68% of 434 reviews2023
Dev: Supercube
Windows
Deep and innovative space survival simulation experience. Build your station, manage your crew and explore the harsh environment of Io, the innermost moon of Jupiter. Are you brave enough to survive?
Why similar: Base Building 19.1%, Crafting 18%, Survival 16%, Management 14.1%, Immersive Sim 8%
- #47 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 27.3% ★, Base Building 13.7%, Crafting 11.8%, Building 11.6%, Survival 10%
- #48 Forever Skies
66% matchMostly Positive79% of 8,284 reviews2025
Dev: Far From Home
Windows
Median: 7.4 hrsMean: 32.0 hrs≥1hr: 91%
A first-person survival game set on a post-apocalyptic, ecologically ruined Earth. Play solo or with up to 3 friends as you build, upgrade, and fly a high-tech airship. Scavenge resources, craft tools, and face dangers on the surface as you hunt for a cure to save humanity.
Why similar: Base Building 18.6%, Crafting 17.7%, Survival 15.2%, Building 13.9%, Open World 13%
- #49 Oxygen: First Breath
67% 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 26.6% ★, Base Building 17.5%, Survival 12.9%, Building 12.3%, Management 8.8%
- #50 Havendock
66% matchVery Positive80% of 1,861 reviews2025
Dev: YYZ StudioPub: Pretty Soon
Windows · Mac · Linux
Median: 2.2 hrsMean: 10.5 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 22.5% ★, Farming Sim 16.3%, Base Building 12.1%, Crafting 12%, Building 11.3%
- #51 JUNKPUNK
70% matchMixed63% of 672 reviews2021
Dev: SCT
Windows
Median: 1.8 hrsMean: 2.8 hrs≥1hr: 61%
JUNKPUNK is a factory management, base building, exploration game where a New World Robotics ship has crash landed. You and any survivors must restore this ruined planet and prepare it for habitable life. Craft, build, explore, discover, and grow to terraform the planet.
Why similar: Crafting 21.6%, Building 19.2%, Base Building 13.8%, Management 12.6%, Simulation 9.9%
- #52 Stellar Settlers: Space Base Builder
67% 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 34.3% ★, Base Building 19.1%, Building 15.3%, Survival 12.3%, Simulation 7.3%
- #53 Per Aspera
68% 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 28.8% ★, Base Building 16.5%, Building 14.6%, Management 12.2%, Survival 11.4%
- #54 After the Collapse
68% matchMostly Positive78% of 209 reviews2022
Dev: Anarkis Gaming
Windows
ATC is a base building game set in a post-apocalyptic world featuring urban environments. Build a base across several layers with dozens of survivors. Fight other factions for the control of the remaining production centers and explore the world to find long forgotten resources and technologies.
Why similar: Colony Sim 32% ★, Base Building 17.1%, Survival 13.5%, Crafting 11.7%, Management 11.5%
- #55 Plan B: Terraform
63% 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 30.8% ★, Base Building 16%, Crafting 12.9%, Building 11.8%, Management 10.7%
- #56 Titan Outpost
69% matchMostly Positive79% of 97 reviews2019
Dev: The Boar Studio
Windows · Mac · Linux
Titan Outpost is a hard science fiction role-playing game in which you must build a base, manage its crew, develop your character's skills and attributes, and explore Saturn's sixth moon, uncovering its mysteries and harvesting its resources.
Why similar: Colony Sim 30% ★, Simulation 18.3%, Base Building 16.7%, RPG 14.1%, Survival 11.5%