
Terraforming Titans
Balance a simulated climate, keep your colonists alive, and move on to stranger worlds when Mars is done.
Looking for that same atmospheric and hand-drawn spark as SOOT? These games are a good place to start.
Terraformers: First Steps on Mars is a free prologue of Terraformers, featuring an exclusive challenge to lead humanity's first attempt at settling the Red Planet.
Relaxing
You are AMI, an artificial consciousness with one job: turn a dead Mars into a living world. Build a planet-wide network of mines, reactors and greenhouses, steer the atmosphere with real science, and uncover what doomed the humans who tried before. A terraforming sim with a story, a mystery, and a lot of red dirt.
Also in Colony sim · Story-driven, Mysterious
You are a terraforming AI with one job: make Mars livable. Balance atmosphere, water, temperature and energy in a simulated climate, keep your colonists alive, then do it again on stranger worlds until the whole galaxy is your construction site. A text-based incremental with real science under the numbers, a story that matters, and a hundred hours of it.
Relaxing
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.
Relaxing
Earth is dying. In a desperate effort to save humanity, all the nations of Earth pool their dwindling resources together one last time to construct and equip three space ships. The mission: Terraform Mars and pave the way for human settlement of the planet.
Atmospheric
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...
Relaxing
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!
Relaxing
You are Blossom, a small robot on a dead Mars, and your job is simple to say and slow to do: raise the pressure, melt the ice, turn dust into soil and grow a living planet. A calm survival crafting game with modular rovers, drones and a story worth piecing together, alone or in co-op.
Atmospheric, Relaxing
Terraform is a relaxing turn based puzzle game set in the future. Alter over 200 planets to allow settlements and forests to survive. Planets are made of hexagonal tiles that can be altered using many different tools and weather conditions.
Relaxing
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 Colony sim · Relaxing
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.
Also in Colony sim
Play the role of a planet trying to keep the few humans who remain alive as you travel through an asteroid field in this simulator inspired by the classic Maxis game Sim Earth.
Also in Colony sim

Balance a simulated climate, keep your colonists alive, and move on to stranger worlds when Mars is done.

Turn frozen wasteland into green, living terrain by moving water, resources and people across a calm hex-grid planet.

A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse.

A fictional universe sandbox/exploration game. 🪐☄️✨ Shape your own solar system by terraforming planets.

Terraform a dead planet at your own pace, turning red dust into soil where the first plants can take root, alone or with a friend.

Terraform is a relaxing turn based puzzle game set in the future. Alter over 200 planets to allow settlements and forests to survive.

Earth Space Colonies is a strategy-simulation game where you build space colonies around the Solar system.

Sol 0 is a real time strategy game where you establish the first Martian colony.

Play the role of a planet trying to keep the few humans who remain alive as you travel through an asteroid field in this simulator inspired by the…

Terraform, strategize, and construct a Martian colony in this retro-inspired turn-based city builder.

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.

Project Aura is a micro management game where you lead a Colony of Climate Disaster Survivors.

Manage air, water and food on an unfinished world, explore it in any order and piece together why the facility went quiet.

Terraform a dead planet at your own pace, turning red dust into soil where the first plants can take root, alone or with a friend.

You left. Now they’re dead. Ambrosia Sky is an immersive sim about exploring an asteroid colony devastated by an unknown contamination.

Eden Crafters hands you a hostile planet and one job: make it livable.

Turn frozen wasteland into green, living terrain by moving water, resources and people across a calm hex-grid planet.

Last Breath is a solo or online co-op survival game about bringing a dead planet back to life.

Salvage, build and sail a flooded Earth while raising the last of humankind in your machine-run complex.

As the ship's AI, keep a dying vessel running, manage fragile human survivors and steer your rebuilt colony through a hostile universe.

Descend into darkness in Anoxia Station, a turn-based strategy game with puzzle elements.

「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a…

The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind.

Turn a fresh Mars into a living world, one turn and one project card at a time.

Wake on a ruined planet, terraform it back to life and fight off everything that wants it dead again.

Balance a simulated climate, keep your colonists alive, and move on to stranger worlds when Mars is done.

Clear the weeds, plant your first crops and fish quiet ponds on a little world of your own, with trips to nearby planets for what you need.

Last Breath is a solo or online co-op survival game about bringing a dead planet back to life.

Eden Crafters hands you a hostile planet and one job: make it livable.

Explore, survive, and terraform a barren artificial world. Build your base, reshape the environment, and uncover the hidden purpose of Tellus as…

Terraform a dead planet at your own pace, turning red dust into soil where the first plants can take root, alone or with a friend.

Manage air, water and food on an unfinished world, explore it in any order and piece together why the facility went quiet.

Deep in uncharted space, your expedition took a challenging turn when your ship crash-landed.

Steer one of seven factions through an alien arrival, from covert politics on Earth to fleet battles across the Solar System.

You left. Now they’re dead. Ambrosia Sky is an immersive sim about exploring an asteroid colony devastated by an unknown contamination.

Salvage, build and sail a flooded Earth while raising the last of humankind in your machine-run complex.