Games Like Oxygen Not Included

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 39.4% ★, Base Building 21.8%, Survival 11.9%, 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.

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 28.8% ★, Base Building 16.3%, Survival 9.9%, Resource Management 9%, 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.

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 34.8% ★, Base Building 20%, Survival 12.1%, Building 9.8%, Management 7.2%

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.

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 18.3%, Survival 11%, Resource Management 11%, Building 8.6%

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.

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 17.4%, Survival 10.5%, Resource Management 10.4%, Sandbox 5.1%

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.

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 39.2% ★, Base Building 19.7%, Survival 11.8%, Building 10.1%, Management 7.4%

Why You'll Like It: Its colony logistics, production chains, terrain manipulation, and water-focused environmental simulation scratch a similar optimization itch.

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 39.7% ★, Base Building 20.5%, Survival 10.6%, Resource Management 6.3%, 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.

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 13.9%, Management 8.1%, Sandbox 7.4%

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.

Forge a new kingdom in a land recovering from the Fracture. Which of the surviving races will you lead to rebuild, explore, and conquer the unknown? The dwindling yet immortal Ancients? The bold and resourceful Humans? The life stealing Ardyn? Or the secretive Gwdir who shape living groves?

Why similar: Colony Sim 42.5% ★, Base Building 23.1%, Survival 12.8%, Management 7.7%, Sandbox 3.5%

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.

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 31.2% ★, Base Building 17.5%, Survival 10.4%, Building 9.4%, Resource Management 8.4%

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.

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 56.6% ★, Building 16.2%, Sandbox 11.3%, Simulation 5%, 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.

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 18.9%, Survival 8.1%, 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.

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 31.6% ★, Base Building 16.2%, Survival 13.3%, Resource Management 13%, 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.

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 37.2%, Resource Management 20.5%, Survival 10.9%, Sandbox 8.6%, Building 6.9%

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.

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 34.2% ★, Base Building 15.4%, Survival 10%, Building 9%, Management 7.5%

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.

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 35.4% ★, Base Building 20.8%, Building 11%, Resource Management 8.2%, Management 7.3%

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.

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 32.1% ★, Base Building 24%, Resource Management 12.5%, Building 8%, Space 5.8%

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.

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 44.6% ★, Base Building 13.7%, Survival 12.1%, Management 6.3%, 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.

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 31.7%, Colony Sim 22.8% ★, Resource Management 21.7%, Building 8.4%, Management 7.3%

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.

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 20.4%, Survival 13.3%, Resource Management 6.9%, Building 4.7%

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.

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 9.2%, Resource Management 5.4%

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.

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 17.5%, Resource Management 16.6%, Base Building 11.4%, 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.

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 21.5%, Survival 9.4%, Building 9.3%, 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.

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%, Building 10.2%, Sandbox 7.2%, Space 6.1%

Why You'll Like It: Its modular spacecraft construction and ship-system management echo the engineering-focused side of building stable habitats in ONI.

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 19.4%, Resource Management 11.3%, 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.

An open-ended factory management game with RTS and tower defense elements.

Why similar: Base Building 39.5%, Resource Management 23%, Building 10.8%, Sandbox 7.3%, Survival 6.9%

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.

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 39.7%, Resource Management 16.6%, Building 13%, Survival 8.4%, Sandbox 7.8%

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% ★, Base Building 18.5%, Resource Management 10.7%, Survival 9.8%, Building 8.6%

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.

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 37.1% ★, Survival 12.7%, Base Building 12.4%, Building 11%, Resource Management 8.1%

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.

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 29.1%, Survival 22.9%, Building 11.2%, Space 10.6%, Sandbox 9%

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 59.4% ★, Survival 13.7%, Resource Management 6.1%, 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.

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 32.7%, Resource Management 15.8%, Building 12.6%, Space 9.3%, Management 7.4%

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 63.2%, Sandbox 15.3%, Open World 4.1%, Difficult 3.2%, Multiplayer 2.5%

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 37.9%, Survival 34.4%, Sandbox 7.5%, Open World 6.6%, Exploration 3.8%

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 30.4%, Survival 17.6%, Resource Management 13.9%, Building 13.3%, Sandbox 7.3%

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 29.4% ★, Base Building 28.4%, Survival 17.5%, Resource Management 7.8%, Management 5.3%

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 9.7%

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 39.3% ★, Base Building 19%, Survival 16.5%, Building 6.1%, Strategy 4.9%

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 35.2%, Survival 24.3%, Space 12.4%, Sandbox 12.3%, Sci-fi 4.7%

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 11.3%, Resource Management 11.2%, Building 5.8%

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 12.3%, Survival 10.8%, Building 8.5%

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 19.7%, Resource Management 11.7%, Survival 11.6%, Building 7.9%

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 43.6% ★, Base Building 20.6%, Resource Management 5.8%, Management 5.7%, Building 5.6%

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 40.9% ★, Base Building 30.8%, Survival 12.4%, Resource Management 4.9%, Building 4.6%

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 18.1%, Resource Management 11.3%, Survival 10.5%, Building 8.8%

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 42.5% ★, Survival 12.2%, Building 10.7%, Resource Management 7.6%, Sandbox 7.3%

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%, Resource Management 11.7%, Survival 11.7%, Building 7.9%

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 46.4%, Space 20%, Sci-fi 11.8%, 2D 7%, Singleplayer 6.9%

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 29.8% ★, Base Building 17.6%, Resource Management 10.9%, Survival 9.2%, Building 8.3%

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 38.2%, Survival 32.2%, Sandbox 8.2%, Open World 6.3%, Sci-fi 3.6%

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%, Survival 10.3%, Resource Management 9.1%, Building 7.7%

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 36.9% ★, Base Building 19.5%, Survival 14.4%, Building 10.8%, Management 6.6%

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 56.3% ★, Base Building 17.2%, Survival 5%, Strategy 3.8%, Resource Management 3.8%

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 31.3% ★, Base Building 17.9%, Resource Management 11.3%, Survival 8.7%, Building 8.4%

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%, Building 11.5%, Space 11.4%, Survival 10.1%, Sandbox 8.6%

Become the hive mind of a robot ant colony in Microtopia! Use pheromone trails to create, automate and optimize supply chains for your ants to follow. Collect resources, produce goods, feed your queen, grow your colony and fly out to expand the species!

Why similar: Colony Sim 37.3% ★, Base Building 19.7%, Resource Management 13.3%, Building 7%, Management 6.9%

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 33.2% ★, Base Building 19.1%, Resource Management 11.7%, Survival 9.2%, Building 8.2%

「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 33.4% ★, Base Building 23.2%, Building 10.7%, Resource Management 10.6%, Management 5.8%

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%, Resource Management 12.8%, Building 9%, Management 7%