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The existence of all mankind is under threat. You are the only hope!
75% of 4 Steam reviews are positive$0.99
Games like Soter
If the retro and minimalist rhythm of Soter stuck with you, this helps. These games could fill that gap nicely.
Imagine Earth
Build your own global colonies on distant worlds. Manage energy and resource supplies and produce goods for space trade. Form economic and diplomatic alliances or take over competing corporations. Conduct research to protect your colonists from disasters and avoid a climate crisis.
Replayable
79% of 814 Steam reviews are positivePlayers online now: 4$24.99Equilibrium
Equilibrium combines god-game, resource management, and planetary simulation. Minimise atmospheric pollutants, and keep global temperatures hospitable for human life. Or let dirty industry run rampant and produce a blazing hot tomb world. We're not your boss, it's up to you.
Replayable
0% of 2 Steam reviews are positive$6.99Search
The existence of all mankind is under threat. You are the only hope!
Replayable, Tense, Dark
75% of 4 Steam reviews are positive$0.99Planetary Life
Shape a dead planet into a living world. Move mountains and seas, tune the climate, then seed cells and watch them evolve into plants, animals and strange chimera of your making. Guide every step or sit back and see what 50,000 years cook up. A calm, colorful sandbox for anyone who ever wanted to play at being a very patient god.
Replayable
94% of 949 Steam reviews are positivePlayers online now: 17$11.99Planetbase
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$14.99Heliopedia
A fictional universe sandbox/exploration game. 🪐☄️✨ Shape your own solar system by terraforming planets. Find new species and make beautiful ecosystems . . . or breed destruction with volcanos, lightning storms and wildfires!
Replayable
87% of 202 Steam reviews are positive$4.99Planeta
Planeta is a planet-building game where you can create and customize your planet as you wish! Main goal is to create conditions for humans to live and build a rocket ship and fly to the moon!
Replayable
91% of 11 Steam reviews are positive$0.991000 days to escape
Only 1000 days left until the end of the world. You have to realize the largest space program ever to save as many people as you can. Explore planets, colonize them, help people find a new home.
Retro, Replayable
84% of 369 Steam reviews are positive$4.99Planetka
You play as a tiny sentient planet. Maintain your ecosystem, create new plant species and discover the hidden powers inside you. You’ll need them soon, because there is a human spaceship approaching with the intention to mine all your resources and they don’t care if it kills you in the process.
Retro, Minimalist, Replayable
89% of 183 Steam reviews are positiveFreeEarthtongue
Care for a miniature ecosystem in a strange world, exert limited influence to encourage the growth of different fungi and bugs and try to maintain the balance of life.
Retro, Minimalist, Replayable
90% of 153 Steam reviews are positive$4.99Plan B: Terraform
Warm up a dead planet, melt its ice into rivers and oceans, and cover it in forests. Build truck routes, train lines and drone depots to feed three growing cities, and watch a whole world come alive. A calm, colorful logistics game where the planet itself is the puzzle.
Replayable
91% of 3,655 Steam reviews are positivePlayers online now: 169$11.99Adaptory
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.
Also in Colony sim · Replayable
76% of 99 Steam reviews are positive$19.99
Cheaper than Soter
Heliopedia
A fictional universe sandbox/exploration game. 🪐☄️✨ Shape your own solar system by terraforming planets.
87% of 202 Steam reviews are positive$4.99
Planeta
Planeta is a planet-building game where you can create and customize your planet as you wish!
91% of 11 Steam reviews are positive$0.99
1000 days to escape
Only 1000 days left until the end of the world. You have to realize the largest space program ever to save as many people as you can.
84% of 369 Steam reviews are positive$4.99
Earthtongue
Care for a miniature ecosystem in a strange world, exert limited influence to encourage the growth of different fungi and bugs and try to maintain…
90% of 153 Steam reviews are positive$4.99
Earth Simulator
Shape continents and climates, then watch civilizations rise under your hand, with friends along for the ride.
93% of 240 Steam reviews are positivePlayers online now: 89$4.99
Survival Tycoon
It's the year 2041; the atmosphere is toxic from global warming and nuclear war. Can you survive in an unforgiving world?
54% of 13 Steam reviews are positive$4.99
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
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
Keeplanet
KEEPLANET is an arcade time-killer, standing up for people from the tiny planet in the middle of nowhere.
60% of 5 Steam reviews are positive$0.99
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
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
Hidden gems like Soter
Earth Simulator
Shape continents and climates, then watch civilizations rise under your hand, with friends along for the ride.
93% of 240 Steam reviews are positivePlayers online now: 89$4.99
Planetary Life
Terraform a barren world, tune its climate and watch the life you seed evolve across millennia, all at your own unhurried pace.
94% of 949 Steam reviews are positivePlayers online now: 17$11.99
Plan B: Terraform
Turn frozen wasteland into green, living terrain by moving water, resources and people across a calm hex-grid planet.
91% of 3,655 Steam reviews are positivePlayers online now: 169$11.99
Of Life and Land
Lead villagers through wild lands where every animal and plant is fighting for its own place.
82% of 293 Steam reviews are positivePlayers online now: 12$12.49
Ecopunk
Ecopunk is a survival and colony management simulation game set in a post-apocalyptic world.
80% of 142 Steam reviews are positivePlayers online now: 4$22.99
Planetka
You play as a tiny sentient planet. Maintain your ecosystem, create new plant species and discover the hidden powers inside you.
89% of 183 Steam reviews are positiveFree
BioEden
As a Keeper sent by the Cosmic Collective, you turn a barren planet into BioEden: recycle debris, wire up solar power and water, clean rivers and…
73% of 114 Steam reviews are positivePlayers online now: 6$21.99
Oxygen: First Breath
Build a settlement around the Oxygen Center and keep your people breathing through the disasters of a broken world.
88% of 1,665 Steam reviews are positiveFree
Stardeus
As the ship's AI, keep a dying vessel running, manage fragile human survivors and steer your rebuilt colony through a hostile universe.
87% of 1,466 Steam reviews are positivePlayers online now: 198$29.99
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
Newest games like Soter
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
BioEden
As a Keeper sent by the Cosmic Collective, you turn a barren planet into BioEden: recycle debris, wire up solar power and water, clean rivers and…
73% of 114 Steam reviews are positivePlayers online now: 6$21.99
Earth Simulator
Shape continents and climates, then watch civilizations rise under your hand, with friends along for the ride.
93% of 240 Steam reviews are positivePlayers online now: 89$4.99
Skyformer
Create an automated system that terraforms a planet with an army of drones.
79% of 84 Steam reviews are positive$14.99
Generation Exile
Rebuild settlements entirely within a colossal generation ship in this turn-based city builder.
65% of 49 Steam reviews are positive$29.99
Gaia Maker
Gaia Maker is a planet-wide simulation game of terraforming, based on real physics and geology.
95% of 37 Steam reviews are positiveFree
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
Epoch Cycle
Apocalypse is Not the End, It's Your Beginning. Become the supreme leader of a civilization in an apocalyptic world.
69% of 81 Steam reviews are positive$8.99
Ecopunk
Ecopunk is a survival and colony management simulation game set in a post-apocalyptic world.
80% of 142 Steam reviews are positivePlayers online now: 4$22.99
Plan B: Terraform
Turn frozen wasteland into green, living terrain by moving water, resources and people across a calm hex-grid planet.
91% of 3,655 Steam reviews are positivePlayers online now: 169$11.99
Planetary Life
Terraform a barren world, tune its climate and watch the life you seed evolve across millennia, all at your own unhurried pace.
94% of 949 Steam reviews are positivePlayers online now: 17$11.99