- #1 RimWorld
97% matchOverwhelmingly Positive98% of 247,065 reviews2018
Dev: Ludeon Studios
Windows · Mac · Linux
Median: 59.4 hrsMean: 267.8 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 39.2%, Base Building 22%, Survival 12.1%, Building 5.7%, Management 5.3%
Why You'll Like It: Its pawn-driven colony simulation, escalating survival pressures, detailed production chains, and endlessly adaptable bases make it the closest broader colony-management alternative.
- #2 Dwarf Fortress
96% matchVery Positive95% of 31,541 reviews2022
Dev: Bay 12 GamesPub: Kitfox Games
Windows · Linux
Median: 5.6 hrsMean: 39.6 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 34.7%, Base Building 20.1%, Survival 12.4%, Building 9.9%, Management 6.9%
Why You'll Like It: This is an exceptionally deep simulation of a self-sustaining fortress where labor, materials, hazards, moods, and emergent failures create stories much like an expanded Oxygen Not Included.
- #3 Space Haven
96% matchVery Positive86% of 11,153 reviews2026
Dev: Bugbyte Ltd.
Windows · Mac · Linux
Median: 4.2 hrsMean: 21.0 hrs≥1hr: 71%
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Why similar: Colony Sim 28.9%, Base Building 16.6%, Survival 10%, Resource Management 8.1%, Building 7.4%
Why You'll Like It: Managing a modular spaceship crew, life support, power, heat, logistics, and survival needs delivers an especially strong space-colony counterpart.
- #4 Stationeers
95% matchVery Positive88% of 9,306 reviews2017
Dev: RocketWerkz
Windows
Median: 9.8 hrsMean: 85.8 hrs≥1hr: 85%
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!
Why similar: Colony Sim 30.7%, Base Building 18.6%, Survival 11.4%, Resource Management 10.2%, Building 8.8%
Why You'll Like It: It focuses intensely on engineering breathable atmospheres, pressure, temperature, electricity, and automated systems for space bases.
- #5 Planetbase
94% matchMostly Positive80% of 10,466 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 20.7%, Survival 10.8%, Resource Management 5.9%, Space 5.6%
Why You'll Like It: This focused off-world settlement builder challenges you to balance oxygen, water, food, power, mining, and colonist work priorities.
- #6 Stardeus
93% matchVery Positive87% of 1,562 reviews2022
Dev: Kodo LinijaPub: Paradox Arc
Windows · Mac · Linux
Median: 8.6 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 17.6%, Survival 10.8%, Resource Management 9.7%, Sandbox 5.2%
Why You'll Like It: Repairing and expanding a drifting colony ship while managing crew needs, atmosphere, construction, and automation closely matches ONI's sci-fi survival loop.
- #7 Mind Over Magic
92% matchVery Positive87% of 4,492 reviews2025
Dev: SparkypantsPub: Klei Publishing
Windows
Median: 4.6 hrsMean: 20.8 hrs≥1hr: 79%
Mind Over Magic is a colony sim set at the site of a cursed magic school. Build and optimize your own magical academy, train powerful Mages, and master mighty relics in order to battle through the Underschool, a mysterious underground dungeon that holds the key to liberation from a deadly curse.
Why similar: Colony Sim 36.4%, Base Building 19.1%, Survival 13.3%, Building 10.5%, Resource Management 9.2%
Why You'll Like It: Its layered 2D magical school requires careful room layouts, worker assignments, research, food, and resource production in a way that feels immediately familiar to ONI players.
- #8 IXION
91% matchMostly Positive79% of 17,853 reviews2022
Dev: Bulwark StudiosPub: Kasedo Games
Windows
Median: 9.7 hrsMean: 30.3 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 31.9%, Base Building 16.6%, Survival 13.6%, Resource Management 12%, Building 7.7%
Why You'll Like It: Its rotating space-station city demands constant attention to housing, food, industrial chains, hull integrity, and difficult survival tradeoffs.
- #9 Factorio
91% matchOverwhelmingly Positive98% of 235,209 reviews2020
Dev: Wube Software LTD.
Windows · Mac · Linux
Median: 44.9 hrsMean: 193.9 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 38%, Resource Management 19.2%, Survival 11.1%, Sandbox 8.8%, Building 7.1%
Why You'll Like It: While less focused on colonists, it offers unmatched satisfaction in designing scalable automated production networks under hostile-world pressure.
- #10 Ratopia
90% matchVery Positive88% of 4,899 reviews2025
Dev: Cassel Games
Windows · Mac
Median: 7.9 hrsMean: 25.6 hrs≥1hr: 85%
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 31.5%, Base Building 17.6%, Survival 10.6%, Building 9.5%, Resource Management 7.7%
Why You'll Like It: This 2D side-view colony sim combines citizen jobs, layered construction, resource flow, and survival pressures with a similarly hands-on feel.
- #11 Odd Realm
89% matchVery Positive84% of 1,022 reviews2024
Dev: Unknown Origin Games Inc
Windows · Mac · Linux
Median: 1.6 hrsMean: 7.2 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 33.2%, Base Building 18.6%, Resource Management 10.5%, Survival 10.4%, Building 7.8%
Why You'll Like It: You direct a small fantasy settlement through layered maps, specialized workers, automation-minded production, and environmental threats.
- #12 Astro Colony
89% matchVery Positive81% of 2,730 reviews2026
Dev: Terad Games
Windows
Median: 4.4 hrsMean: 16.0 hrs≥1hr: 77%
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 32.8%, Base Building 24%, Resource Management 11.2%, Building 7.9%, Space 6%
Why You'll Like It: Building automated, expandable space colonies across planets provides a more exploratory take on ONI's construction and logistics appeal.
- #13 Timberborn
86% matchOverwhelmingly Positive96% of 41,938 reviews2026
Dev: Mechanistry
Windows · Mac
Median: 10.1 hrsMean: 44.4 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 36%, Base Building 18.2%, Survival 10.9%, Building 9.2%, Resource Management 8.6%
Why You'll Like It: A survival city-builder built around water management, seasonal scarcity, vertical construction, and automation, making each settlement layout meaningful.
- #14 The Crust
87% matchMostly Positive76% of 4,355 reviews2026
Dev: VEOM StudioPub: Crytivo
Windows · Mac
Median: 6.8 hrsMean: 24.1 hrs≥1hr: 83%
Build and automate a lunar colony that Earth depends on. Mine regolith, run conveyor-and-drone factories above and below the surface, manage colonists, trade with rival Earth factions — and play a story campaign with multiple endings.
Why similar: Colony Sim 31.5%, Base Building 19.9%, Resource Management 10.5%, Survival 7.4%, Building 7.2%
Why You'll Like It: Establishing a lunar industrial colony through mining, workforce management, research, and production automation is a natural thematic and mechanical fit.
- #15 Captain of Industry
88% matchVery Positive90% of 11,659 reviews2022
Dev: MaFi Games
Windows
Median: 10.3 hrsMean: 85.6 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 32%, Colony Sim 23.4%, Resource Management 20.5%, Building 9.3%, Management 7.3%
Why You'll Like It: Its dense extraction, refining, recycling, transport, and population-support chains appeal directly to players who enjoy optimizing ONI's interconnected systems.
- #16 Oxygen
86% matchMostly Positive71% of 915 reviews2023
Dev: Turquoise Revival GamesPub: GrabTheGames
Windows
Median: 3.5 hrsMean: 9.3 hrs≥1hr: 80%
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 31.3%, Base Building 20%, Survival 11.9%, Resource Management 10.8%, Building 8%
Why You'll Like It: Its isolated post-apocalyptic settlement revolves around keeping people supplied through fragile resource, building, and survival systems.
- #17 Frostpunk
85% matchVery Positive93% of 137,667 reviews2018
Dev: 11 bit studios
Windows
Median: 6.2 hrsMean: 22.4 hrs≥1hr: 87%
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 36.9%, Survival 18.1%, Resource Management 15.5%, Base Building 11.7%, Building 7.5%
Why You'll Like It: It shares ONI's tense resource triage and settlement survival, though its focus is on harsh moral choices and a deadly cold rather than technical simulation.
- #18 Against the Storm
83% matchVery Positive94% of 37,624 reviews2023
Dev: Eremite GamesPub: Hooded Horse
Windows
Median: 5.4 hrsMean: 28.9 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 30.4%, Base Building 18.4%, Survival 10.8%, Resource Management 10.6%, Building 9.1%
Why You'll Like It: Its shorter settlement runs still deliver compelling worker allocation, production-chain balancing, and adaptation to dangerous conditions.
- #19 Prison Architect
84% matchVery Positive85% of 76,934 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 35.6%, Base Building 21.1%, Building 11.2%, Resource Management 7.6%, Sandbox 7.2%
Why You'll Like It: Its room planning, staff management, utility networks, and chaotic simulation make it a strong fit for players who enjoy designing functional systems.
- #20 Going Medieval
81% matchVery Positive89% of 21,464 reviews2026
Dev: Foxy VoxelPub: Mythwright
Windows
Median: 8.1 hrsMean: 32.6 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 40.2%, Base Building 23.1%, Survival 14.1%, Management 7.8%, Sandbox 7.4%
Why You'll Like It: Managing settlers' needs while building vertically, stockpiling supplies, farming, and defending a growing community makes for a strong colony-sim alternative.
- #21 Judgment: Apocalypse Survival Simulation
84% matchVery Positive81% of 2,267 reviews2018
Dev: Suncrash
Windows
Median: 4.7 hrsMean: 25.0 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 38.6%, Base Building 20.5%, Survival 13.6%, Resource Management 6.4%, Building 4.8%
Why You'll Like It: This survival colony game pairs base construction and production management with dangerous expeditions and frequent external threats.
- #22 Surviving the Aftermath
82% matchMixed70% of 4,648 reviews2021
Dev: Iceflake StudiosPub: Paradox Interactive
Windows
Median: 4.7 hrsMean: 18.3 hrs≥1hr: 74%
Survive and thrive in a post-apocalyptic future — resources are scarce, but opportunity calls! Build the ultimate disaster proof colony, protect your colonists, and restore civilization to a devastated world.
Why similar: Colony Sim 39.5%, Base Building 18.9%, Survival 16.6%, Building 6.2%, Strategy 4.8%
Why You'll Like It: Its post-apocalyptic colony management emphasizes scarce resources, specialized buildings, colonist welfare, and risky expansion beyond the base.
- #23 Clanfolk
81% matchVery Positive92% of 4,069 reviews2022
Dev: MinMax Games Ltd.Pub: Hooded Horse
Windows
Median: 3.5 hrsMean: 18.2 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 57.4%, Building 16.1%, Sandbox 11.1%, Simulation 4.8%, Open World 4.5%
Why You'll Like It: This intimate household colony sim emphasizes individual needs, efficient work schedules, food preservation, crafting, and surviving environmental change.
- #24 The Last Starship
79% matchMostly Positive75% of 1,705 reviews2026
Dev: Introversion Software
Windows · Mac
Median: 6.1 hrsMean: 12.3 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 31.1%, Base Building 21.2%, Building 10.2%, Sandbox 7.2%, Space 6.1%
Why You'll Like It: Designing ships with interconnected crew spaces, power, life-support infrastructure, and logistics offers a systems-heavy space-building experience.
- #25 The Wandering Village
78% matchVery Positive92% of 8,498 reviews2025
Dev: Stray Fawn StudioPub: Stray Fawn Publishing
Windows · Mac · Linux
Median: 3.9 hrsMean: 11.2 hrs≥1hr: 80%
The Wandering Village is a city-building simulation game on the back of a giant, wandering creature. Build your settlement and form a symbiotic relationship with the colossus. Will you survive together in this hostile, yet beautiful post-apocalyptic world, contaminated by poisonous plants?
Why similar: Colony Sim 39.3%, Base Building 16.3%, Resource Management 13.3%, Survival 10.5%, Management 8.7%
Why You'll Like It: Keeping a settlement alive on the back of a giant creature adds environmental management, limited space, and careful resource planning.
- #26 Songs of Syx
80% matchVery Positive94% of 9,302 reviews2020
Dev: Gamatron AB
Windows · Mac · Linux
Median: 14.9 hrsMean: 42.4 hrs≥1hr: 83%
Songs of Syx is a fantasy city-builder with vast battles simulating thousands of citizens and soldiers. Start off as a small village and build, scheme, and fight your way towards a mighty empire. The mechanics are deep and true to life, where tiny events can spiral into the collapse of kingdoms.
Why similar: Colony Sim 40.1%, Base Building 20.6%, Survival 11.9%, Building 10.3%, Sandbox 7.2%
Why You'll Like It: It expands the colony-management fantasy to city scale while retaining detailed population needs, logistics, industry, and organic social complexity.
- #27 Satisfactory
76% matchOverwhelmingly Positive97% of 280,086 reviews2024
Dev: Coffee Stain StudiosPub: Coffee Stain Publishing
Windows
Median: 33.5 hrsMean: 113.6 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 40.5%, Resource Management 15.3%, Building 13.1%, Survival 8.7%, Sandbox 7.9%
- #28 Craft The World
79% matchVery Positive88% of 17,114 reviews2014
Dev: Dekovir EntertainmentPub: Dekovir Ltd
Windows · Mac
Median: 7.1 hrsMean: 38.3 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 49.4%, Building 13.9%, Survival 12.6%, Sandbox 9.4%, Resource Management 5%
Why You'll Like It: A 2D dwarven fortress builder with digging, room construction, crafting chains, and defense offers a lighter but very compatible loop.
- #29 ASTRONEER
77% matchVery Positive92% of 139,497 reviews2019
Dev: System Era Softworks
Windows
Median: 11.5 hrsMean: 44.7 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 28.9%, Survival 23%, Building 11.2%, Space 10.6%, Sandbox 9%
- #30 Spacebase DF-9
82% matchOverwhelmingly Negative18% of 4,342 reviews2014
Dev: Double Fine Productions
Windows · Mac · Linux
Median: 3.2 hrsMean: 5.0 hrs≥1hr: 89%
In Spacebase DF-9, you'll build a home among the stars for a motley population of humans and aliens as they go about their daily lives. Mine asteroids, discover derelicts, and deal with the tribulations of galactic resettlement in Earth's distant future.
Why similar: Base Building 35.5%, Space 11.6%, Building 11.6%, Survival 10.3%, Sandbox 8.6%
Why You'll Like It: Despite its smaller scope, its compartment-based space station construction, staffing, and life-support concerns align closely with ONI's setting and structure.
- #31 Dyson Sphere Program
76% matchOverwhelmingly Positive97% of 91,831 reviews2021
Dev: Youthcat StudioPub: Gamirror Games
Windows
Median: 13.0 hrsMean: 76.0 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 33.1%, Resource Management 14.7%, Building 12.8%, Space 9.5%, Management 7.1%
- #32 Founders' Fortune
78% matchVery Positive80% of 2,189 reviews2020
Dev: Dionic Software
Windows · Mac
Median: 1.5 hrsMean: 10.0 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 46.3%, Base Building 19.1%, Survival 8.4%, Building 7.6%, Resource Management 5.6%
Why You'll Like It: It centers on assigning colonists, expanding a bespoke settlement, managing skills and needs, and navigating the resulting emergent problems.
- #33 Don't Starve
77% matchOverwhelmingly Positive97% of 113,517 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 63.3%, Sandbox 15.1%, Open World 4.2%, Difficult 3.4%, Multiplayer 2.5%
- #34 The Planet Crafter
73% matchOverwhelmingly Positive96% of 74,281 reviews2024
Dev: Miju Games
Windows
Median: 21.7 hrsMean: 38.8 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 31%, Survival 18.1%, Building 13.3%, Resource Management 12.5%, Space 7.3%
- #35 Subnautica
74% matchOverwhelmingly Positive97% of 380,795 reviews2018
Dev: Unknown Worlds Entertainment
Windows · Mac
Median: 13.3 hrsMean: 39.8 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 37.5%, Survival 34.5%, Sandbox 7.4%, Open World 6.8%, Exploration 3.8%
- #36 Kerbal Space Program
75% matchOverwhelmingly Positive96% of 147,368 reviews2015
Dev: SquadPub: Private Division
Windows · Mac · Linux
Median: 5.4 hrsMean: 66.3 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 22.7%, Sandbox 20.4%, Building 20.1%, Space Sim 10.9%, Simulation 9.4%
- #37 Adaptory
74% matchMostly Positive79% of 112 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 37%, Base Building 20.9%, Survival 11.6%, Resource Management 10.4%, Building 5.9%
- #38 Starmancer
75% matchMixed62% of 1,053 reviews2021
Dev: Ominux GamesPub: Chucklefish
Windows · Mac · Linux
Median: 1.6 hrsMean: 6.6 hrs≥1hr: 65%
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%, Base Building 15.6%, Survival 10.2%, Building 9.1%, Management 7.2%
- #39 Breathedge
73% matchVery Positive81% of 18,514 reviews2021
Dev: RedRuins SoftworksPub: HypeTrain Digital
Windows
Median: 3.4 hrsMean: 8.3 hrs≥1hr: 79%
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%, Survival 24.4%, Space 12.5%, Sandbox 12.3%, Sci-fi 4.7%
- #40 Oceaneers
71% matchVery Positive88% of 116 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 17.1%, Survival 13.3%, Building 9.2%, Resource Management 6%
- #41 Stranded: Alien Dawn
71% matchVery Positive83% of 11,546 reviews2023
Dev: Haemimont GamesPub: Paradox Interactive
Windows
Median: 6.9 hrsMean: 24.4 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 29.7%, Base Building 28.8%, Survival 17.9%, Resource Management 7%, Management 4.9%
- #42 Oxygen: First Breath
72% matchVery Positive89% of 1,666 reviews2022
Dev: Turquoise Revival GamesPub: GrabTheGames
Windows
Median: 48 minMean: 8.0 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 31.1%, Base Building 21.4%, Survival 12%, Resource Management 10.9%, Building 8%
- #43 Outworld Station
70% matchVery Positive85% of 859 reviews2026
Dev: Trickjump Games Ltd
Windows
Median: 3.5 hrsMean: 10.5 hrs≥1hr: 69%
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 38.7%, Resource Management 14.4%, Space 11.2%, Management 10.7%, Sandbox 10.6%
- #44 The Universim
71% matchMostly Positive79% of 10,670 reviews2024
Dev: Crytivo
Windows · Mac · Linux
Median: 7.3 hrsMean: 34.3 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 42.7%, Survival 12.5%, Building 10.8%, Sandbox 7.5%, Resource Management 7%
- #45 Mindustry
70% matchOverwhelmingly Positive96% of 28,247 reviews2019
Dev: AnukenDev
Windows · Mac · Linux
Median: 4.9 hrsMean: 28.4 hrs≥1hr: 76%
An open-ended factory management game with RTS and tower defense elements.
Why similar: Base Building 43.9%, Resource Management 23.3%, Building 12.7%, Sandbox 8.4%, Strategy 4.9%
- #46 Aven Colony
72% matchMostly Positive72% of 2,789 reviews2017
Dev: Mothership Entertainment LLCPub: Team17 Digital Ltd
Windows
Median: 4.2 hrsMean: 8.1 hrs≥1hr: 90%
Build a new home for humanity in Aven Colony. Discover Aven Prime - an alien planet of deserts, tundras, and wetlands light years from earth. Build your colonies into massive, sprawling cities whilst dealing with the challenges faced when settling on a new world.
Why similar: Colony Sim 56.2%, Base Building 17.3%, Survival 5.1%, Strategy 3.8%, Resource Management 3.7%
- #47 Drill Core
68% matchVery Positive85% of 2,478 reviews2025
Dev: Hungry Couch GamesPub: tinyBuild
Windows
Median: 5.6 hrsMean: 14.2 hrs≥1hr: 86%
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 43.7%, Base Building 21%, Building 5.7%, Management 5.6%, Resource Management 5.4%
- #48 Sandustry
66% matchOverwhelmingly Positive97% of 5,238 reviews2026
Dev: Lantto GamesPub: Hooded Horse
Windows · Mac · Linux
Median: 9.6 hrsMean: 16.2 hrs≥1hr: 89%
Explore and mine fully destructible worlds. Automate increasingly complex production chains. Delve deep to uncover an ancient civilization’s powerful secrets and learn to love the sand in this factory game where every pixel is a valuable resource.
Why similar: Base Building 27%, Survival 17.1%, Resource Management 14.5%, Building 14.1%, Sandbox 10.1%
- #49 Maia
73% matchMixed44% of 1,065 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 13.7%, Survival 12.3%, Management 6.1%, Space 3.9%
- #50 Space Architect
69% matchMostly Positive74% of 309 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 31.9%, Base Building 18.2%, Survival 10.6%, Resource Management 8.5%, Building 7.9%
- #51 Starbound
69% matchVery Positive90% of 123,321 reviews2016
Dev: Chucklefish
Windows · Mac · Linux
Median: 17.0 hrsMean: 64.5 hrs≥1hr: 91%
You’ve fled your home, only to find yourself lost in space with a damaged ship. Your only option is to beam down to the planet below, repair your ship and set off to explore the universe...
Why similar: Survival 28.3%, Sandbox 21.5%, Building 16.5%, Space 12.6%, Open World 5.7%
- #52 They Are Billions
68% matchVery Positive85% of 51,491 reviews2019
Dev: Numantian Games
Windows
Median: 14.3 hrsMean: 56.8 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 40.6%, Base Building 31.2%, Survival 12.7%, Building 4.6%, Resource Management 4.4%
- #53 Endzone - A World Apart
69% matchMostly Positive77% of 10,043 reviews2021
Dev: Gentlymad StudiosPub: Assemble Entertainment
Windows
Median: 3.9 hrsMean: 9.0 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 25.3%, Base Building 22.7%, Survival 20.5%, Building 7.2%, Resource Management 5.9%
- #54 Stellar Settlers: Space Base Builder
68% matchMixed70% of 834 reviews2025
Dev: Tinymice EntertainmentPub: Rogue Duck Interactive
Windows · Mac · Linux
Median: 2.4 hrsMean: 3.5 hrs≥1hr: 75%
Stellar Settlers is a chill space base/city builder and colony sim game. With unique vertical and horizontal base-building gameplay, settle on 10 hostile alien planets and build your own thriving colony. Get enough materials to build a physics-based Spaceship and try to escape from disasters.
Why similar: Colony Sim 33.3%, Base Building 19.4%, Resource Management 10.9%, Survival 9.5%, Building 8.3%
- #55 Sheltered
70% matchVery Positive82% of 6,286 reviews2016
Dev: UnicubePub: Team17 Digital Ltd
Windows · Mac · Linux
Median: 3.8 hrsMean: 9.7 hrs≥1hr: 84%
Sheltered is a deep and emotional survival management game. You take on the role of protecting four family members who, after a global apocalypse, have found their way to a deserted shelter.
Why similar: Base Building 35.6%, Survival 29.2%, Resource Management 10.4%, Building 7.3%, Management 6.9%
- #56 Subnautica: Below Zero
67% matchVery Positive90% of 108,517 reviews2021
Dev: Unknown Worlds Entertainment
Windows · Mac
Median: 15.5 hrsMean: 30.1 hrs≥1hr: 91%
Dive into a freezing underwater adventure on an alien planet. Below Zero is set two years after the original Subnautica. Return to Planet 4546B to uncover the truth behind a deadly cover-up. Survive by building habitats, crafting tools, & diving deeper into the world of Subnautica.
Why similar: Base Building 37.8%, Survival 32.2%, Sandbox 8.2%, Open World 6.5%, Sci-fi 3.6%
- #57 The Final Earth 2
67% matchVery Positive97% of 437 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 35.7%, Base Building 16.9%, Building 9%, Resource Management 8.2%, Management 6.5%
- #58 No Man's Sky
67% matchVery Positive85% of 421,258 reviews2016
Dev: Hello Games
Windows · Mac
Median: 20.1 hrsMean: 70.9 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 12.9%, Open World 10.4%, Sci-fi 7.1%
- #59 Solargene
65% matchMostly Positive76% of 855 reviews2026
Dev: Alexander Semenov
Windows
Median: 4.2 hrsMean: 33.9 hrs≥1hr: 70%
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 35.5%, Base Building 20.1%, Resource Management 10.7%, Building 8.3%, Management 5.9%