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
Colony sims like Rocket Engineer
Loved how replayable and chaotic Rocket Engineer can get? Give these colony sims a try when the craving hits.
Solargene
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.
Replayable
77% of 786 Steam reviews are positivePlayers online now: 18$34.99Astro 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, Relaxing
80% of 2,447 Steam reviews are positivePlayers online now: 106$19.99Stellar 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.
Replayable, Chaotic, Relaxing
69% of 749 Steam reviews are positivePlayers online now: 1$11.99Space 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 mine, salvage derelicts, trade and fight across a procedurally generated galaxy.
Replayable
85% of 10,448 Steam reviews are positivePlayers online now: 626$24.99Earth 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.
Replayable, Relaxing
38% of 121 Steam reviews are positive$9.99Possible One: Lunar Industries
Stake your claim in the first realistic lunar colony management game! Use proven, real-world technologies to plan and grow your colony, mine resources, ship them to Earth, and keep the board of directors happy in this science-based colony sim.
Replayable
64% of 56 Steam reviews are positivePlayers online now: 1$24.99The Crust
Build a lunar base that keeps Earth supplied and your colonists alive. You mine regolith, lay conveyors and drones, hire experts with useful traits, and trade with Earth factions through a story campaign with multiple endings.
Replayable, Relaxing
75% of 3,986 Steam reviews are positivePlayers online now: 538$19.19Planetbase
Guide a handful of space settlers as they turn a bare landing site into a self-sufficient planetbase. You place the domes, mines, and farms, balance oxygen, water, food, and power, and keep everyone alive through meteors, sandstorms, and solar flares. Simple to start, strict about mistakes.
Replayable
79% of 9,602 Steam reviews are positivePlayers online now: 181$14.99Space 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 automate more of the work.
Replayable
72% of 307 Steam reviews are positivePlayers online now: 24$1.79Moons of Ardan
Embark on a space city-building adventure in Moons of Ardan! Develop a thriving civilization in a real-time planetary system. Oversee production chains, cater to the needs of your axonauts, recover their lost technologies, and navigate resource transportation.
Replayable, Relaxing
93% of 76 Steam reviews are positive$19.99Stardeus
Stardeus puts you in charge as the immortal AI of a broken starship, with a few drones and sleeping colonists depending on you. You patch the hull, balance oxygen, heat and power, grow food, research alien tech, then fly out to mine new systems. For colony sim fans who like systems that bite back when neglected.
Replayable
87% of 1,466 Steam reviews are positivePlayers online now: 198$29.99Stationeers
Stationeers puts you in charge of building and running a space station alone or with friends. You mine ore, process it into parts, wire power, plumb gases, grow food and program machines to keep air breathable and temperatures livable. It rewards careful engineering and patience with systems that actually behave.
Replayable, Relaxing
88% of 8,675 Steam reviews are positivePlayers online now: 464$34.99
Cheaper than Rocket Engineer
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
My Colony
Build a space colony from a single rover, grow it into a sprawling economy, and rule it your way.
88% of 277 Steam reviews are positivePlayers online now: 10$4.99
Wreckborn
Mine asteroids, automate your supply chains and build outposts across a procedurally generated system, all at your own pace.
97% of 31 Steam reviews are positivePlayers online now: 12$6.99
Epic Astro Story
Battle baddies and foster interplanetary diplomacy in an epic space colony sim!
84% of 45 Steam reviews are positivePlayers online now: 2$8.99
Desktop Colony
A cosy incremental semi-idle space colony management game that sits on your desktop while you do other things.
100% of 23 Steam reviews are positive$5.99
Space Station Alpha
Build and manage a space station in the outer reaches of space.
48% of 40 Steam reviews are positive$5.99
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
StarShip-DF
Build a massive multi-deck starship and lead colonists across the galaxy. Gather resources in space or land on alien worlds for supplies.
100% of 33 Steam reviews are positivePlayers online now: 1$5.99
StellarHub
StellarHub is a starbase management game where your job is to build a safe and functional space station.
57% of 216 Steam reviews are positivePlayers online now: 37$6.99
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
Colonization Simulator
Colonize rich planets with vegetation or deserted moons. Build a functional and prosperous colony. Take care of your colonists.
0% of 6 Steam reviews are positive$8.99
Hidden gems like Rocket Engineer
Astro Colony
Astro Colony is a space colony sim about building a moving station that eats planets.
80% of 2,447 Steam reviews are positivePlayers online now: 106$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
The Final Earth 2
The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony.
97% of 422 Steam reviews are positivePlayers online now: 8$9.99
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 10,448 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 3,986 Steam reviews are positivePlayers online now: 538$19.19
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 1,466 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
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 2,746 Steam reviews are positivePlayers online now: 94$29.99
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
Newest colony sims like Rocket Engineer
Beyond These Stars
Found a settlement on a living Space Whale and journey across the galaxy together.
65% of 263 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 3,986 Steam reviews are positivePlayers online now: 538$19.19
StarShip-DF
Build a massive multi-deck starship and lead colonists across the galaxy. Gather resources in space or land on alien worlds for supplies.
100% of 33 Steam reviews are positivePlayers online now: 1$5.99
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 2,447 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 10,448 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
SpaceSlog
Build your spaceship, manage your crew, and explore the cosmos whilst trying to keep your crew alive and your ship fully functioning.
69% of 48 Steam reviews are positivePlayers online now: 1$24.99
ALL WILL FALL
Grow a small band of survivors into a tall ocean city where gravity is always watching.
77% of 1,317 Steam reviews are positivePlayers online now: 92$22.49
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 2,746 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