- #1 RimWorld
97% matchOverwhelmingly Positive98% of 241,365 reviews2018
Dev: Ludeon Studios
Windows · Mac · Linux
Median: 60.2 hrsMean: 264.3 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 39.3%, Base Building 21.9%, Survival 12%, Building 5.7%, Management 5.5%
Why You'll Like It: Like Oxygen Not Included, it revolves around managing individual colonists, balancing survival needs, and designing a base that can withstand cascading disasters.
- #2 Space Haven
96% matchVery Positive86% of 10,816 reviews2026
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 20.9 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 28.9%, Base Building 16.6%, Survival 9.8%, Resource Management 8.6%, Building 7.4%
Why You'll Like It: Its spaceship-colony focus, crew needs, life-support management, and room-by-room systems design make it one of the closest thematic and mechanical matches.
- #3 Dwarf Fortress
96% matchVery Positive95% of 31,162 reviews2022
Dev: Bay 12 GamesPub: Kitfox Games
Windows · Linux
Median: 5.6 hrsMean: 38.8 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 34.7%, Base Building 20%, Survival 12.2%, Building 9.9%, Management 7.1%
Why You'll Like It: It shares ONI’s appeal of deep colony simulation, emergent stories, and complex survival problems created by interacting systems and worker behaviors.
- #4 Stationeers
95% matchVery Positive88% of 9,070 reviews2017
Dev: RocketWerkz
Windows
Median: 9.9 hrsMean: 84.1 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: Colony Sim 30.7%, Base Building 18.4%, Survival 11.1%, Resource Management 10.8%, Building 8.7%
Why You'll Like It: If your favorite part of ONI is wrestling with gases, power, atmospherics, and engineering-heavy survival systems, this is an excellent fit.
- #5 Stardeus
94% matchVery Positive87% of 1,538 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 31%, Base Building 17.5%, Survival 10.6%, Resource Management 10.2%, Sandbox 5.2%
Why You'll Like It: This space-colony sim emphasizes crew management, automation, life support, and repairing a fragile habitat in a way that feels very ONI-adjacent.
- #6 Timberborn
93% matchOverwhelmingly Positive96% of 40,121 reviews2026
Dev: Mechanistry
Windows · Mac
Median: 10.3 hrsMean: 42.9 hrs≥1hr: 85%
Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A sandbox city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.
Why similar: Colony Sim 35.7%, Base Building 17.9%, Survival 10.7%, Building 9.2%, Resource Management 9.1%
Why You'll Like It: Its colony logistics, production chains, terrain manipulation, and water-focused environmental simulation scratch a similar optimization itch.
- #7 Planetbase
94% matchMostly Positive80% of 10,351 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 39.8%, Base Building 20.5%, Survival 10.7%, Resource Management 6.2%, Space 5.5%
Why You'll Like It: Building a viable off-world colony while juggling oxygen, food, power, and workforce bottlenecks gives it very similar survival-builder energy.
- #8 Going Medieval
91% matchVery Positive89% of 21,027 reviews2026
Dev: Foxy VoxelPub: Mythwright
Windows
Median: 7.9 hrsMean: 32.0 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 40%, Base Building 22.9%, Survival 14%, Management 8.1%, Sandbox 7.5%
Why You'll Like It: It delivers the same satisfaction of assigning jobs, building layered bases, and keeping a small colony alive through detailed survival management.
- #9 Odd Realm
91% matchVery Positive85% of 1,005 reviews2024
Dev: Unknown Origin Games Inc
Windows · Mac · Linux
Median: 1.6 hrsMean: 6.9 hrs≥1hr: 56%
Build a settlement in a realm recovering from the Fracture, a calamity that nearly destroyed the realm. Choose from several unique races, establish a new kingdom, and survive in a land filled with magic and strange creatures. Farm the land, fish the seas, or raid rival kingdoms for their treasures.
Why similar: Colony Sim 33%, Base Building 18.4%, Resource Management 11%, Survival 10.2%, Building 7.7%
Why You'll Like It: It combines colony management, digging, crafting chains, and a sandbox structure that rewards the same kind of careful planning as ONI.
- #10 Clanfolk
90% matchVery Positive92% of 3,904 reviews2022
Dev: MinMax Games Ltd.Pub: Hooded Horse
Windows
Median: 3.6 hrsMean: 18.3 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 56.5%, Building 16.5%, Sandbox 11.3%, Simulation 4.9%, Open World 4.5%
Why You'll Like It: This is another intimate colony sim where labor priorities, temperature, shelter, and supply chains matter constantly from the first day onward.
- #11 Ratopia
89% matchVery Positive88% of 4,710 reviews2025
Dev: Cassel Games
Windows · Mac
Median: 8.1 hrsMean: 25.9 hrs≥1hr: 86%
Ratopia is a new game that has combined elements of both strategic survival and city building. With plenty of content available, and more planned, enjoy a vast world to adventure and populate with citizens! Build your own economical system to sustain your ideal city of Ratopia.
Why similar: Colony Sim 31.3%, Base Building 17.6%, Survival 10.5%, Building 9.5%, Resource Management 8.2%
Why You'll Like It: Its 2D side-view colony building, worker management, and interconnected economic systems make it feel especially close in structure and presentation.
- #12 IXION
89% matchMostly Positive79% of 17,356 reviews2022
Dev: Bulwark StudiosPub: Kasedo Games
Windows
Median: 10.0 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: Colony Sim 31.7%, Base Building 16.4%, Survival 13.4%, Resource Management 12.6%, Building 7.7%
Why You'll Like It: Although more narrative-driven, it captures the same tension of maintaining a failing space habitat through careful resource and population management.
- #13 Founders' Fortune
88% matchVery Positive80% of 2,183 reviews2020
Dev: Dionic Software
Windows · Mac
Median: 1.6 hrsMean: 10.1 hrs≥1hr: 56%
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 46.5%, Base Building 19%, Survival 8%, Building 7.6%, Resource Management 5.8%
Why You'll Like It: Its focus on colonist moods, task management, base construction, and expanding a self-sustaining settlement maps well to ONI’s core loop.
- #14 Factorio
86% matchOverwhelmingly Positive98% of 230,973 reviews2020
Dev: Wube Software LTD.
Windows · Mac · Linux
Median: 45.0 hrsMean: 191.3 hrs≥1hr: 95%
Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.
Why similar: Base Building 37.4%, Resource Management 20.1%, Survival 10.9%, Sandbox 8.8%, Building 7%
Why You'll Like It: It lacks colonist simulation, but its relentless production optimization and elegant automation chains appeal strongly to ONI’s engineering side.
- #15 Starmancer
87% matchMixed63% of 1,038 reviews2021
Dev: Ominux GamesPub: Chucklefish
Windows · Mac · Linux
Median: 1.6 hrsMean: 6.6 hrs≥1hr: 66%
From a small 2-man team comes a unique space station management sim. Take on the role of an A.I commanding a lost space ark. Try not to let your crew run amok and wreck the place.
Why similar: Colony Sim 34.1%, Base Building 15.4%, Survival 10.1%, Building 9.1%, Management 7.4%
Why You'll Like It: Running a dangerous sci-fi station full of needy inhabitants and malfunction-prone systems makes it a natural follow-up for ONI fans.
- #16 Astro Colony
84% matchVery Positive81% of 2,634 reviews2026
Dev: Terad Games
Windows
Median: 4.5 hrsMean: 16.2 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 32.4%, Base Building 24.1%, Resource Management 12%, Building 8%, Space 5.9%
Why You'll Like It: This one blends space-base expansion, automation, and resource processing in a way that overlaps nicely with ONI’s sci-fi builder appeal.
- #17 Prison Architect
85% matchVery Positive89% of 73,449 reviews2015
Dev: Introversion SoftwarePub: Paradox Interactive
Windows · Mac · Linux
Median: 6.0 hrsMean: 30.3 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 35.5%, Base Building 20.9%, Building 11.1%, Resource Management 8%, Management 7.2%
Why You'll Like It: Its room-based planning, priority management, and intricate logistics feel similar if you enjoy ONI mainly as a top-down systems-management sandbox.
- #18 Maia
86% 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 44.4%, Base Building 13.6%, Survival 12.1%, Management 6.2%, Space 3.8%
Why You'll Like It: This alien-world colony sim shares ONI’s blend of survival pressure, habitat planning, and keeping colonists functioning in a hostile environment.
- #19 Captain of Industry
82% matchVery Positive90% of 11,061 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 31.6%, Resource Management 22.2%, Colony Sim 22.2%, Building 8.7%, Management 7.4%
Why You'll Like It: It leans harder into industrial logistics, but the resource loops, pollution of mistakes, and scaling production complexity fit ONI’s problem-solving mindset.
- #20 Judgment: Apocalypse Survival Simulation
84% matchVery Positive81% of 2,254 reviews2018
Dev: Suncrash
Windows
Median: 4.7 hrsMean: 25.1 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 38.5%, Base Building 20.4%, Survival 13.4%, Resource Management 6.8%, Building 4.8%
Why You'll Like It: Managing survivors, assigning labor, and defending a growing base while resources stay tight gives it a familiar colony-survival rhythm.
- #21 Craft The World
83% matchVery Positive88% of 16,931 reviews2014
Dev: Dekovir EntertainmentPub: Dekovir Ltd
Windows · Mac
Median: 7.2 hrsMean: 38.4 hrs≥1hr: 89%
Craft The World is a unique sandbox strategy game, the mix of Dungeon Keeper, Terraria and Dwarf Fortress. Explore a random generated world populated by dangerous creatures, build a dwarf fortress, gather resources, and craft all the items, weapons, and armor you need.
Why similar: Colony Sim 49.2%, Building 13.9%, Survival 12.5%, Sandbox 9.3%, Resource Management 5.3%
Why You'll Like It: Its side-view digging, room building, and indirect worker control echo the moment-to-moment feel of developing an ONI base.
- #22 Noble Fates
82% matchVery Positive83% of 1,472 reviews2021
Dev: Xobermon, LLC
Windows
Median: 3.5 hrsMean: 12.4 hrs≥1hr: 73%
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 40.1%, Base Building 21.6%, Survival 9.5%, Building 9.4%, Sandbox 7.4%
Why You'll Like It: It focuses on colonist personalities, task priorities, and base growth in a sandbox that creates the same emergent management problems.
- #23 Frostpunk
81% matchVery Positive93% of 135,453 reviews2018
Dev: 11 bit studios
Windows · Mac
Median: 6.2 hrsMean: 22.3 hrs≥1hr: 86%
Frostpunk is the first society survival game. As the ruler of the last city on Earth, it is your duty to manage both its citizens and infrastructure. What decisions will you make to ensure your society's survival? What will you do when pushed to breaking point? Who will you become in the process?
Why similar: Colony Sim 36.7%, Survival 17.6%, Resource Management 16.3%, Base Building 11.5%, Building 7.4%
Why You'll Like It: It is more scenario-driven than sandboxy, but the brutal resource triage and survival-first city management hit a similar stress-reward loop.
- #24 The Last Starship
79% matchMostly Positive75% of 1,596 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 6.1 hrsMean: 11.3 hrs≥1hr: 81%
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
Why similar: Colony Sim 31.2%, Base Building 21.1%, Building 10.2%, Sandbox 7.2%, Space 6%
Why You'll Like It: Its modular spacecraft construction and ship-system management echo the engineering-focused side of building stable habitats in ONI.
- #25 Mindustry
80% matchOverwhelmingly Positive96% of 27,010 reviews2019
Dev: AnukenDev
Windows · Mac · Linux
Median: 4.9 hrsMean: 27.6 hrs≥1hr: 76%
An open-ended factory management game with RTS and tower defense elements.
Why similar: Base Building 42.9%, Resource Management 24.4%, Building 12.6%, Sandbox 8.4%, Strategy 4.9%
Why You'll Like It: If ONI’s conveyor-belt logic and resource-routing puzzles are what hooked you, this offers another highly systems-driven optimization playground.
- #26 The Crust
79% matchMostly Positive77% of 3,605 reviews2024
Dev: VEOM StudioPub: Crytivo
Windows
Median: 7.0 hrsMean: 24.1 hrs≥1hr: 83%
Automate a lunar base as you become the savior of humanity exploring the future on the moon. Mine, craft, research, and trade resources with Earth in this gripping narrative basebuilder.
Why similar: Colony Sim 31.4%, Base Building 19.5%, Resource Management 11.1%, Survival 7.3%, Building 7.2%
Why You'll Like It: Its moon-base setting, infrastructure planning, and industrial resource chains make it a solid pick for players who want more hard-sci-fi colony management.
- #27 Satisfactory
76% matchOverwhelmingly Positive97% of 273,405 reviews2024
Dev: Coffee Stain StudiosPub: Coffee Stain Publishing
Windows
Median: 32.9 hrsMean: 110.9 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 39.8%, Resource Management 16.2%, Building 13.1%, Survival 8.5%, Sandbox 7.9%
- #28 Meeple Station
81% matchMixed57% of 951 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 29.1%, Base Building 18.6%, Resource Management 10.5%, Survival 9.8%, Building 8.7%
Why You'll Like It: This station-building sim centers on oxygen, power, crew needs, and expanding a modular space habitat, all very much in ONI’s wheelhouse.
- #29 Settlement Survival
78% matchVery Positive86% of 7,950 reviews2022
Dev: Gleamer StudioPub: Team17
Windows · Mac
Median: 4.0 hrsMean: 10.9 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 37%, Survival 12.8%, Base Building 12.4%, Building 11.1%, Resource Management 7.9%
Why You'll Like It: This is a broader town-survival sim, but its workforce balancing, production bottlenecks, and settlement planning still align with ONI’s management appeal.
- #30 ASTRONEER
77% matchVery Positive92% of 138,295 reviews2019
Dev: System Era Softworks
Windows
Median: 11.5 hrsMean: 44.3 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: Base Building 29%, Survival 22.9%, Building 11.3%, Space 10.6%, Sandbox 9.1%
- #31 Banished
78% matchVery Positive90% of 43,179 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 59.3%, Survival 13.8%, Resource Management 6%, Sandbox 4.7%, Strategy 3.8%
Why You'll Like It: Its survival-focused settlement management and constant pressure to secure food, heat, labor, and growth make it a foundational colony-sim match.
- #32 Dyson Sphere Program
76% matchOverwhelmingly Positive97% of 90,956 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 32.8%, Resource Management 15.4%, Building 12.7%, Space 9.3%, Management 7.3%
- #33 Don't Starve
77% matchOverwhelmingly Positive97% of 112,869 reviews2013
Dev: Klei Entertainment
Windows · Mac · Linux
Median: 4.2 hrsMean: 28.2 hrs≥1hr: 82%
Don’t Starve is an uncompromising wilderness survival game full of science and magic. Enter a strange and unexplored world full of strange creatures, dangers, and surprises. Gather resources to craft items and structures that match your survival style.
Why similar: Survival 63.1%, Sandbox 15.3%, Open World 4.1%, Difficult 3.3%, Multiplayer 2.5%
- #34 The Universim
75% matchMostly Positive80% of 10,579 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: Colony Sim 42.6%, Survival 12.2%, Building 10.7%, Sandbox 7.4%, Resource Management 7.4%
- #35 Stranded: Alien Dawn
74% matchVery Positive84% of 11,085 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 29.6%, Base Building 28.5%, Survival 17.6%, Resource Management 7.5%, Management 5.1%
- #36 Surviving the Aftermath
75% matchMostly Positive71% of 4,539 reviews2021
Dev: Iceflake StudiosPub: Paradox Interactive
Windows
Median: 4.6 hrsMean: 18.2 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 39.4%, Base Building 19%, Survival 16.4%, Building 6.1%, Strategy 4.9%
- #37 The Planet Crafter
72% matchOverwhelmingly Positive96% of 71,038 reviews2024
Dev: Miju Games
Windows
Median: 21.5 hrsMean: 38.2 hrs≥1hr: 92%
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 30.6%, Survival 17.8%, Resource Management 13.3%, Building 13.3%, Sandbox 7.3%
- #38 Kerbal Space Program
74% matchOverwhelmingly Positive96% of 142,914 reviews2015
Dev: SquadPub: Private Division
Windows · Mac · Linux
Median: 5.4 hrsMean: 66.1 hrs≥1hr: 84%
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
Why similar: Space 22.6%, Sandbox 20.4%, Building 20.2%, Space Sim 11%, Simulation 9.6%
- #39 Adaptory
73% matchVery Positive80% of 106 reviews2026
Dev: Stormcloak GamesPub: indie.io
Windows · Mac
Deep in uncharted space, your expedition took a challenging turn when your ship crash-landed. Master complex simulations to keep your outspoken explorers alive, face unpredictable challenges, and figure out a way back home.
Why similar: Colony Sim 36.8%, Base Building 20.7%, Survival 11.4%, Resource Management 10.9%, Building 5.9%
- #40 Occupy Mars: The Game
71% matchMostly Positive70% of 3,088 reviews2026
Dev: ▲ Pyramid Games
Windows
Median: 4.4 hrsMean: 34.1 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: Colony Sim 28.3%, Base Building 18.6%, Resource Management 12%, Survival 10.9%, Building 8.6%
- #41 Oxygen
73% matchMostly Positive72% of 890 reviews2023
Dev: Turquoise Revival GamesPub: GrabTheGames
Windows
Median: 3.5 hrsMean: 9.5 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 31.2%, Base Building 19.8%, Survival 11.7%, Resource Management 11.4%, Building 8%
- #42 Outworld Station
70% matchVery Positive85% of 776 reviews2026
Dev: Trickjump Games Ltd
Windows
Median: 4.2 hrsMean: 10.7 hrs≥1hr: 70%
Take the helm as a new Station Commander and exploit an alien star system in this stunning space-station factory automation game. Amass resources and construct starships using increasingly advanced manufacturing and expand your station in a hostile universe.
Why similar: Base Building 37.8%, Resource Management 14.9%, Management 10.8%, Space 10.7%, Sandbox 10.4%
- #43 Breathedge
72% matchVery Positive82% of 16,292 reviews2021
Dev: RedRuins SoftworksPub: HypeTrain Digital
Windows
Median: 3.7 hrsMean: 9.2 hrs≥1hr: 87%
Survive in outer space! Together with your immortal chicken, discover the truth behind your sudden spaceship crash. Craft tools, pilot vehicles, and even control space stations to survive and explore the wreckage.
Why similar: Base Building 34.8%, Survival 24.3%, Space 12.4%, Sandbox 12.3%, Sci-fi 4.7%
- #44 Drill Core
70% matchVery Positive85% of 2,392 reviews2025
Dev: Hungry Couch GamesPub: tinyBuild
Windows
Median: 5.9 hrsMean: 14.6 hrs≥1hr: 87%
Corporate greed meets strategic planet-mining in Drill Core! Drill to the heart of planets while managing workers, researching cutting-edge tech, and fortifying against alien attacks. Will you prioritize efficiency and risk your workers' safety, or focus on defense for survival?
Why similar: Colony Sim 43.8%, Base Building 20.6%, Management 5.7%, Building 5.7%, Resource Management 5.6%
- #45 No Man's Sky
71% matchVery Positive85% of 410,213 reviews2016
Dev: Hello Games
Windows · Mac
Median: 20.1 hrsMean: 70.5 hrs≥1hr: 94%
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.
Why similar: Survival 28.6%, Space 19.2%, Sandbox 13%, Open World 10.3%, Sci-fi 7.1%
- #46 Oceaneers
69% matchVery Positive90% of 89 reviews2026
Dev: Barrel Smash Studios
Windows
A sci-fi survival-crafting colony sim set in a flooded world of floating islands. Build a colony, craft gear, design rafts, fend off sharks, manage your survivors, and explore island bunkers to uncover lost Float-Tech from an old-world corporation.
Why similar: Colony Sim 34.9%, Base Building 16.9%, Survival 13.1%, Building 9.2%, Resource Management 6.3%
- #47 Oxygen: First Breath
70% matchVery Positive89% of 1,655 reviews2022
Dev: Turquoise Revival GamesPub: GrabTheGames
Windows
Median: 48 minMean: 8.1 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 30.9%, Base Building 21.1%, Survival 11.8%, Resource Management 11.5%, Building 7.9%
- #48 Subnautica
69% matchOverwhelmingly Positive97% of 373,268 reviews2018
Dev: Unknown Worlds Entertainment
Windows · Mac
Median: 13.3 hrsMean: 39.6 hrs≥1hr: 90%
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
Why similar: Base Building 37.7%, Survival 34.3%, Sandbox 7.5%, Open World 6.6%, Exploration 3.8%
- #49 Space Architect
69% matchMostly Positive76% of 289 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 31.8%, Base Building 18.1%, Survival 10.4%, Resource Management 8.9%, Building 7.8%
- #50 Dome Keeper
68% matchVery Positive92% of 21,423 reviews2022
Dev: BippinbitsPub: Raw Fury
Windows · Mac · Linux
Median: 4.2 hrsMean: 11.3 hrs≥1hr: 87%
Defend against waves of alien monsters in this unique roguelike action miner. Dig for resources, collect useful gadgets, and upgrade equipment to increase odds of survival – just hurry back before your dome is destroyed!
Why similar: Resource Management 45.9%, Space 20.2%, Sci-fi 12%, 2D 7%, Singleplayer 6.9%
- #51 Aven Colony
71% matchMostly Positive72% of 2,759 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 56.4%, Base Building 17.2%, Survival 5%, Strategy 3.8%, Resource Management 3.7%
- #52 Surviving Ceres
67% matchVery Positive87% of 138 reviews2025
Dev: Ryan SaundersPub: One Man Media
Windows
Explore a handcrafted survival game with an emphasis on crafting and base building. Export manufactured goods to earn funding, manage colonists, defend against hostile aliens, and work towards terraforming Ceres from a frozen ball of ice to a tropical paradise.
Why similar: Colony Sim 36.8%, Base Building 19.5%, Survival 14.4%, Building 10.9%, Management 6.6%
- #53 They Are Billions
68% matchVery Positive85% of 51,023 reviews2019
Dev: Numantian Games
Windows
Median: 14.2 hrsMean: 56.3 hrs≥1hr: 91%
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?
Why similar: Colony Sim 40.7%, Base Building 30.9%, Survival 12.5%, Resource Management 4.7%, Building 4.6%
- #54 Against the Storm
66% matchVery Positive95% of 36,221 reviews2023
Dev: Eremite GamesPub: Hooded Horse
Windows
Median: 5.4 hrsMean: 28.4 hrs≥1hr: 83%
A dark fantasy city builder where you must rebuild civilization in the face of apocalyptic rains. As the Queen’s Viceroy, lead humans, beavers, lizards, foxes, and harpies to reclaim the wilderness and secure a future for civilization's last survivors.
Why similar: Colony Sim 30.5%, Base Building 18.3%, Resource Management 11.1%, Survival 10.5%, Building 8.8%
- #55 Endzone - A World Apart
68% matchMostly Positive77% of 9,906 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: Colony Sim 25.1%, Base Building 22.6%, Survival 20.2%, Building 7.2%, Resource Management 6.3%
- #56 Farlanders
67% matchVery Positive91% of 579 reviews2023
Dev: Andrii 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 31.4%, Base Building 18%, Resource Management 11%, Survival 8.8%, Building 8.4%
- #57 Spacebase DF-9
73% matchOverwhelmingly Negative18% of 4,331 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 35.4%, Building 11.6%, Space 11.5%, Survival 10.2%, Sandbox 8.6%
- #58 Reshaping Mars
67% 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 33.6%, Base Building 23.2%, Building 10.8%, Resource Management 10.3%, Management 5.8%
- #59 Cliff Empire
67% matchVery Positive87% of 4,357 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 34.5%, Base Building 16.1%, Resource Management 12.5%, Building 9.1%, Management 7%