Stellar Settlers: Space Base Builder
Stellar Settlers is a chill space base/city builder and colony sim game.
69% of 749 Steam reviews are positivePlayers online now: 1$11.99
Colony sims like Planetbase
Did Planetbase leave you in a replayable frame of mind? These colony sims are a good place to start.
Stellar Settlers: Space Base Builder
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.
Also in City builder · Replayable
69% of 749 Steam reviews are positivePlayers online now: 1$11.99Solargene
Run a private space corporation and spread housing, mines, and farms from Mercury to the Kuiper Belt. Your astronauts each have skills, moods, hunger, and hygiene to manage. Worth playing for colony sim fans who want people-first management stretched across a whole solar system of harsh weather and long supply lines.
Also in City builder · Replayable
77% of 786 Steam reviews are positivePlayers online now: 18$34.99Alien Horizon (Preview Alpha)
A sci-fi survival city builder set on an inhospitable alien planet. Faced with imminent destruction of Earth, humanity pooled together their resources and sent sleeper ships to nearby potentially habitable planets. But this one turned out to be much less habitable than expected....
Also in City builder · Replayable
87% of 209 Steam reviews are positivePlayers online now: 2FreeAstro Colony
Astro Colony is a space colony sim about building a moving station that eats planets. You dock voxel worlds, lay conveyor belts and pipes, research over 100 technologies, and keep recruited astronauts fed and housed while your industrial hub drifts onward.
Replayable
80% of 2,446 Steam reviews are positivePlayers online now: 106$19.99Oxygen Not Included
Oxygen Not Included is a space-colony sim where three Duplicants wake up inside an asteroid and immediately start using up the air. You dig, pipe, wire, farm and recycle to keep them breathing, and the systems fight back in funny ways. A great pick for colony sim fans who like solving one crisis after another.
Replayable
96% of 136,320 Steam reviews are positivePlayers online now: 7,551$24.99Mercury Fallen
A sci-fi colony management sim with a focus on exploration, expansion, and survival. Rebuild your underground facility, manage colonists and robots, and uncover the mysteries of an alien world light-years from Earth. Dig deep, expand across the surface, and shape your new home.
Replayable
78% of 259 Steam reviews are positivePlayers online now: 2$24.99Aven Colony
Aven Colony puts you in charge of humanity's first settlement on Aven Prime, growing small outposts into sprawling cities across deserts, tundras, and wetlands. You house colonists, manage food, water, power, and morale, then hold it all together through shard storms, toxic gas, and frozen winters. Good pick for colony sim fans who want city-building with survival pressure.
Also in City builder
71% of 2,023 Steam reviews are positivePlayers online now: 18$5.99Sol 0: Mars Colonization
Sol 0 is a real time strategy game where you establish the first Martian colony. From the first human footprints on Martian soil to a thriving and self-sustaining colony, Sol 0 imagines a near future using technology that could be available within the next few decades.
Replayable
67% of 371 Steam reviews are positive$0.99Stranded: Alien Dawn
Stranded: Alien Dawn strands a small group of survivors on a living alien world and hands you their food, health and morale. You build from a basic camp to a fortified, high-tech outpost, research new technology and hold off alien attacks, with every playthrough shaped by random events and hard choices.
Replayable
83% of 9,925 Steam reviews are positivePlayers online now: 563$34.99Space Colony: Steam Edition
Halfway across the galaxy, your colony lives or dies on its people. Space Colony gives you 20 unruly colonists with their own needs and grudges, over 100 buildings to keep them fed, paid and entertained, and alien wildlife to hold off. It is a funny, fiddly retro colony sim about babysitting humans in space.
Also in City builder · Replayable
78% of 574 Steam reviews are positivePlayers online now: 8$14.99Earth Space Colonies
Earth Space Colonies is a strategy-simulation game where you build space colonies around the Solar system. Establish a first self-sustaining colony on the Red planet with ultimate goal of terraforming Mars. Play three story campaigns all at once: terraform Mars, fight on Ceres and explore Ganymede.
Also in City builder · Replayable
38% of 121 Steam reviews are positive$9.99Dawn Apart
Dawn Apart is a space colony and factory sim with fully destructible environments. Mine, automate, and defend your settlers, or lead a rebellion against the very corporation pulling your strings…
Replayable
66% of 248 Steam reviews are positive$19.99
Cheaper than Planetbase
Aven Colony
Aven Colony puts you in charge of humanity's first settlement on Aven Prime, growing small outposts into sprawling cities across deserts, tundras…
71% of 2,023 Steam reviews are positivePlayers online now: 18$5.99
Sol 0: Mars Colonization
Sol 0 is a real time strategy game where you establish the first Martian colony.
67% of 371 Steam reviews are positive$0.99
Surviving Ceres
Explore a handcrafted survival game with an emphasis on crafting and base building.
87% of 116 Steam reviews are positive$9.99
Earth Space Colonies
Earth Space Colonies is a strategy-simulation game where you build space colonies around the Solar system.
38% of 121 Steam reviews are positive$9.99
My Colony
Build a space colony from a single rover, grow it into a sprawling economy, and rule it your way.
89% of 277 Steam reviews are positivePlayers online now: 10$4.99
The Spatials: Galactology
The Spatials are back with Galactology! Design, build and protect your colony station from the many enemies you will make while exploring the galaxy…
68% of 232 Steam reviews are positive$12.99
ExoColony: Planet Survival
Challenging space-colony sim. Guide generations of colonists, raise and educate them, manage resources, and ensure food supply.
69% of 26 Steam reviews are positive$3.49
Reshaping Mars
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a…
84% of 753 Steam reviews are positivePlayers online now: 2$9.99
Space Architect
You mine asteroids and even a black hole, turn raw ice and ore into goods, trade with passing ships, and hire crewmates to haul and build while you…
72% of 307 Steam reviews are positivePlayers online now: 24$1.79
AstroPlanet
AstroPlanet is a sandbox game where you find yourself in the role of an astronaut whose ship has crashed on a planet with an inhospitable atmosphere.
63% of 40 Steam reviews are positive$3.99
Outpost Zero
Outpost Zero blends the genres of Multiplayer Base Building Survival and Simulation games in a Sci-Fi universe.
51% of 580 Steam reviews are positive$3.99
Hidden gems like Planetbase
Astro Colony
Astro Colony is a space colony sim about building a moving station that eats planets.
80% of 2,446 Steam reviews are positivePlayers online now: 106$19.99
Surviving Ceres
Explore a handcrafted survival game with an emphasis on crafting and base building.
87% of 116 Steam reviews are positive$9.99
Solargene
Run a private space corporation and spread housing, mines, and farms from Mercury to the Kuiper Belt.
77% of 786 Steam reviews are positivePlayers online now: 18$34.99
Space Haven
Build a spaceship tile by tile for a ragtag civilian crew searching for a new home, then keep its air, heat, power, food and moods balanced as you…
85% of 10,443 Steam reviews are positivePlayers online now: 626$24.99
Alien Horizon (Preview Alpha)
A sci-fi survival city builder set on an inhospitable alien planet.
87% of 209 Steam reviews are positivePlayers online now: 2Free
The Crust
Build a lunar base that keeps Earth supplied and your colonists alive.
75% of 3,983 Steam reviews are positivePlayers online now: 538$19.19
Farlanders
Terraform, strategize, and construct a Martian colony in this retro-inspired turn-based city builder.
89% of 514 Steam reviews are positivePlayers online now: 1$14.99
Stardeus
Stardeus puts you in charge as the immortal AI of a broken starship, with a few drones and sleeping colonists depending on you.
87% of 1,465 Steam reviews are positivePlayers online now: 198$29.99
Reshaping Mars
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a…
84% of 753 Steam reviews are positivePlayers online now: 2$9.99
Mercury Fallen
A sci-fi colony management sim with a focus on exploration, expansion, and survival.
78% of 259 Steam reviews are positivePlayers online now: 2$24.99
Space Architect
You mine asteroids and even a black hole, turn raw ice and ore into goods, trade with passing ships, and hire crewmates to haul and build while you…
72% of 307 Steam reviews are positivePlayers online now: 24$1.79
Don't get lost
A procedurally-generated, open-world, first-person colony sim.
78% of 479 Steam reviews are positiveFree
Newest colony sims like Planetbase
Beyond These Stars
Found a settlement on a living Space Whale and journey across the galaxy together.
64% of 260 Steam reviews are positivePlayers online now: 75$29.99
The Crust
Build a lunar base that keeps Earth supplied and your colonists alive.
75% of 3,983 Steam reviews are positivePlayers online now: 538$19.19
Deep Space Outpost
Deep Space Outpost is a space station building & survival game, involving resource and base management.
72% of 32 Steam reviews are positive$15.99
Astro Colony
Astro Colony is a space colony sim about building a moving station that eats planets.
80% of 2,446 Steam reviews are positivePlayers online now: 106$19.99
Possible One: Lunar Industries
Stake your claim in the first realistic lunar colony management game!
64% of 56 Steam reviews are positivePlayers online now: 1$24.99
Space Haven
Build a spaceship tile by tile for a ragtag civilian crew searching for a new home, then keep its air, heat, power, food and moods balanced as you…
85% of 10,443 Steam reviews are positivePlayers online now: 626$24.99
Space Drilling Station
In Space Drilling Station, manage a drilling station on a distant planet.
89% of 66 Steam reviews are positive$19.99
Occupy Mars: The Game
Occupy Mars is a technical survival sandbox about building a working Mars base alone or in online co-op.
68% of 2,745 Steam reviews are positivePlayers online now: 94$29.99
Adaptory
Deep in uncharted space, your expedition took a challenging turn when your ship crash-landed.
76% of 99 Steam reviews are positive$19.99
Solargene
Run a private space corporation and spread housing, mines, and farms from Mercury to the Kuiper Belt.
77% of 786 Steam reviews are positivePlayers online now: 18$34.99
Dawn Apart
Dawn Apart is a space colony and factory sim with fully destructible environments.
66% of 248 Steam reviews are positive$19.99
ExoColony: Planet Survival
Challenging space-colony sim. Guide generations of colonists, raise and educate them, manage resources, and ensure food supply.
69% of 26 Steam reviews are positive$3.49