Unclaimed World
Manage interstellar pioneers and their descendants in this detailed sci-fi colony sim.
49% of 179 Steam reviews are positive$1.18
Games like Tenebrarium
Remember how replayable and retro Tenebrarium felt at its best? Browse these games for your next favorite.
Trappist
Welcome to Trappist-1, 40.7 light-years from Earth. Fly your Ark, a colossal spaceship and mobile base. Explore the solar system and establish thriving colonies. Uncover the mysteries of Trappist in this story-driven colony builder.
Replayable, Relaxing
89% of 65 Steam reviews are positive$14.99Aven Colony
Govern humanity's first settlement on Aven Prime, an alien world of deserts, tundras and wetlands light years from Earth. Grow a small outpost into a sprawling city, keep your colonists fed and breathing through electrical storms and long winters, and uncover the planet's secrets. A calm, easy-to-learn colony builder with a lot of charm.
Also in Colony sim · Relaxing
71% of 2,023 Steam reviews are positivePlayers online now: 18$5.99Startopia
A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse. Into this age of darkness comes light. You will lead the way in rebuilding the network of space stations to a standard accepted by the individual alien races, attracting them to harness their expertise and research new...
Replayable, Retro, Relaxing
91% of 845 Steam reviews are positivePlayers online now: 5$6.99My Colony
A sci-fi colony sim that starts with one lander and a rover and ends wherever your ambition does. Pick a faction, grow an outpost into an empire, trade on a player-run market, or share a region with friends. It runs on almost anything and never asks you to wait for a timer.
Also in Colony sim · Replayable, Relaxing
88% of 277 Steam reviews are positivePlayers online now: 10$4.99Unclaimed World
Manage interstellar pioneers and their descendants in this detailed sci-fi colony sim. Centuries after planetfall, colonists are still struggling to gain foothold on their lush and alien planet. You settle on the frontier by carefully managing resources, production and different personalities.
Replayable
49% of 179 Steam reviews are positive$1.18Alien 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 Colony sim · Replayable
87% of 208 Steam reviews are positivePlayers online now: 2FreeStellar 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 Colony sim · Replayable, Relaxing
69% of 749 Steam reviews are positivePlayers online now: 1$11.99Mercury 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.
Also in Colony sim · Replayable, Relaxing, Atmospheric
78% of 259 Steam reviews are positivePlayers online now: 2$24.99Colony Simulator
Can your Colony survive 10 days or more in the desert? Find food, build your colony, recruit new workers, feed your population, craft tools and equipment, cook food and research technologies!
Also in Colony sim
66% of 422 Steam reviews are positiveFreeDesktop Colony
A cosy incremental semi-idle space colony management game that sits on your desktop while you do other things. Mine asteroids, build ships, expand the colony, research technology, uncover mysteries and explore the universe.
Also in Colony sim · Relaxing
100% of 23 Steam reviews are positivePlayers online now: 1$5.99Planetbase
Planetbase puts you in charge of a small band of space settlers on a remote planet, and it is your job to keep them breathing. Build the base, grow the food, keep the power on, and turn a fragile outpost into a colony of hundreds in a place that would very much prefer you failed.
Also in Colony sim · Replayable
79% of 9,602 Steam reviews are positivePlayers online now: 181$14.99Ragnorium
Lead a team of cloned settlers and build a home on a new planet. Start from the Stone Age, construct sturdy shelters, hunt for food, and fight off dangers. Make your team stronger and better equipped to survive.
Also in Colony sim · Replayable
57% of 585 Steam reviews are positive$24.99
Cheaper than Tenebrarium
Dr. Planet
Create mini planets and civilizations. Let them flourish, or let them fall - literally. The choice is yours, Doctor Planet.
83% of 12 Steam reviews are positive$2.99
Smile To Fly
Mine gold and electricity in your own space colony, find new inhabitants in space, and eventually make them happy - because the energy of happiness…
100% of 6 Steam reviews are positive$2.99
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
Wastelander
Wastelander is a turn-based strategy game where you must survive and escape from a desolate planet ravaged by powerful storms.
88% of 34 Steam reviews are positivePlayers online now: 1$2.49
Idleant - an idle game about ant
Manage your ant colony to accumulate maximum resources in this super relaxing idle, drawn entirely by hand.
60% of 5 Steam reviews are positive$2.99
Space Colonizers Idle Clicker
Space Colonizers is a simulation and strategy idle game of Sci-Fi adventure theme.
45% of 44 Steam reviews are positive$2.99
Colony
Colony is a space exploration game where you fly around trying to colonize planets, battle alien races, collect resources, and save the human race!
38% of 8 Steam reviews are positive$0.99
The Space Garden
In "The Space Garden" you can build your own garden across the Universe! Discover, acquire and grow your plants with love as you watch them evolve.
30% of 37 Steam reviews are positive$1.99
Giant Horse Feeding
Giant Horse Feeding is a silly alien colony simulator where you feed a horse & collect its droppings to build an alien empire.
79% of 19 Steam reviews are positive$1.99
Scribbleman Army
Explore a dark cave. Craft tons of units to help you collect resources. Create new buildings and unlock new recipes.
59% of 27 Steam reviews are positive$1.99
Dungeon D14
You control a small colony in the underground of an unknown planet. Mine resources, build a base, explore the world and technology.
50% of 2 Steam reviews are positive$1.99
Hidden gems like Tenebrarium
From Glory To Goo
Grow a settlement on a hostile world, wall it in, and answer the Goo with orbital fire before they reach your gates.
96% of 1,868 Steam reviews are positivePlayers online now: 97$7.79
Astro Colony
Set up conveyor networks, dock your stations and research new tech at your own pace, alone or with friends.
80% of 2,447 Steam reviews are positivePlayers online now: 106$19.99
Little-Known Galaxy
Join Space Alliance as a new captain-in-training and work with your crew to solve the mysteries of an ancient relic found on the Grey Planet.
88% of 682 Steam reviews are positivePlayers online now: 7$19.99
Solargene
Run a private space corporation across a realistically simulated solar system.
77% of 786 Steam reviews are positivePlayers online now: 18$34.99
Space Haven
Build a spaceship tile by tile, keep its air breathable and its crew fed, then jump it toward a new home.
85% of 10,448 Steam reviews are positivePlayers online now: 591$24.99
Alien Horizon (Preview Alpha)
A sci-fi survival city builder set on an inhospitable alien planet.
87% of 208 Steam reviews are positivePlayers online now: 2Free
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
Terraformers
Turn a fresh Mars into a living world, one turn and one project card at a time.
88% of 3,044 Steam reviews are positivePlayers online now: 50$19.99
Terraformers: First Steps on Mars
Terraformers: First Steps on Mars is a free prologue of Terraformers, featuring an exclusive challenge to lead humanity's first attempt at settling…
88% of 706 Steam reviews are positiveFree
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
Heliopedia
A fictional universe sandbox/exploration game. 🪐☄️✨ Shape your own solar system by terraforming planets.
87% of 202 Steam reviews are positive$4.99
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 games like Tenebrarium
Honeycomb: The World Beyond
Scan strange plants, crossbreed creatures and raise a base on Sota7, a planet that hides a mystery worth your patience.
68% of 237 Steam reviews are positivePlayers online now: 23$29.99
We Need More Humans!
A short incremental game about abducting humans with a UFO! Travel around the world, unlocking upgrades, abducting humans until there is no one left.
71% of 167 Steam reviews are positive$6.99
Terraforming Titans
Balance a simulated climate, keep your colonists alive, and move on to stranger worlds when Mars is done.
94% of 77 Steam reviews are positivePlayers online now: 17$5
Giant Horse Feeding
Giant Horse Feeding is a silly alien colony simulator where you feed a horse & collect its droppings to build an alien empire.
79% of 19 Steam reviews are positive$1.99
Astro Colony
Set up conveyor networks, dock your stations and research new tech at your own pace, alone or with friends.
80% of 2,447 Steam reviews are positivePlayers online now: 106$19.99
Space Haven
Build a spaceship tile by tile, keep its air breathable and its crew fed, then jump it toward a new home.
85% of 10,448 Steam reviews are positivePlayers online now: 591$24.99
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 across a realistically simulated solar system.
77% of 786 Steam reviews are positivePlayers online now: 18$34.99
A Planet of Mine MasterMine Edition
A Planet of Mine Mastermine Edition is a cozy 4X game with mass strategy!
94% of 32 Steam reviews are positive$9.99
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 positivePlayers online now: 1$5.99
Neon Colony
Neon Colony is an isometric tower defense game where you build your own road to access and harvest the resources of an alien planet.
100% of 5 Steam reviews are positive$12.99
Surviving Ceres
Explore a handcrafted survival game with an emphasis on crafting and base building.
87% of 116 Steam reviews are positive$9.99