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
Games like OBRII
Want something that feels replayable and relaxing the way OBRII does? These games keep things close enough to feel familiar.
Farlanders
Terraform, strategize, and construct a Martian colony in this retro-inspired turn-based city builder. Create a comfortable living for your citizens, research alien artifacts, and uncover the secrets of the Red Planet.
Replayable, Relaxing
89% of 514 Steam reviews are positivePlayers online now: 1$14.99Terraformers
Terraform Mars in a turn-based colony builder with a card-driven twist. Every run gives you a fresh planet, a hand of project cards and rotating leaders, and it is on you to turn a red rock into a green world. Raise cities in craters and lava tubes, seed life from bacteria to bears, and geo-engineer the whole planet before your colonists' demands catch up with you.
Replayable
88% of 3,044 Steam reviews are positivePlayers online now: 50$19.99Reshaping Mars
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.
Replayable
84% of 753 Steam reviews are positivePlayers online now: 2$9.99Sol 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$0.99Earth 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$9.99Plan 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, Relaxing
91% of 3,652 Steam reviews are positivePlayers online now: 169$11.99Per Aspera
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.
Replayable
76% of 4,119 Steam reviews are positivePlayers online now: 73$29.99Planetbase
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.
Replayable
79% of 9,602 Steam reviews are positivePlayers online now: 181$14.99Occupy Mars: The Game
A technical survival sandbox on Mars: build and wire up a base, produce your own water, oxygen and food, fix broken machines with a soldering iron, and drive a rover across an open planet. Play alone or in online co-op, and learn what "Rapid Unscheduled Disassembly" means the hard way.
Replayable
68% of 2,745 Steam reviews are positivePlayers online now: 94$29.99Citizens: On Mars
Experience the ultimate turn-based colony building game in Citizens: On Mars! As the leader of a fledgling Martian settlement, your mission is to develop a thriving colony amidst the harsh and unforgiving environment of the Red Planet.
Replayable, Relaxing
27% of 11 Steam reviews are positive$2.49PeriAreion
Prepare for the ultimate test of survival! Do you have the skill necessary to build and manage the first sustainable extraterrestrial colony, or will your colonists become mere footnotes in the history of human space exploration? Their lives and legacies are in your hands!
Replayable
41% of 63 Steam reviews are positiveFreeMars Colony:Challenger
Mars Colony: Challenger is a 3D first / third person game that offers you the challenge of setting up a remote base on the surface of Mars. At its core, the game was derived from a simulator where everything is interactively tied together.
64% of 114 Steam reviews are positive$4.99
Cheaper than OBRII
Citizens: On Mars
Experience the ultimate turn-based colony building game in Citizens: On Mars!
27% of 11 Steam reviews are positive$2.49
Colony On Mars
You play as an astronaut in a colony on Mars and you need to upgrade your colony, build new constructions and collect resources
23% of 26 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
AUTARKIS
Build colonies and portals. Protect your settlers from catastrophes. Find the lost components. Mine resources. Escape with a rocket. Save us all!
93% of 29 Steam reviews are positive$2.49
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
GYATM Dragon Edition
You are the first person on Mars. You will need to establish a base, mine resources, and build everything the colonists will need to survive.
60% of 5 Steam reviews are positive$0.99
Home Domes
Explore this life sim on a new planet. Create your new home on the rugged surface of Mars during the early days of colonization inside the safety of…
$0.99
Unclaimed World
Manage interstellar pioneers and their descendants in this detailed sci-fi colony sim.
49% of 179 Steam reviews are positive$1.18
Space Architect
Mine asteroids, build production lines, keep your crew fed and trade with passing ships to buy back your freedom.
72% of 307 Steam reviews are positivePlayers online now: 24$1.79
Planet Factory
A small quick game about building a factory to launch planets into a solar system!
86% of 28 Steam reviews are positive$0.99
Hidden gems like OBRII
Blossom: The Seed of Life
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.
87% of 1,066 Steam reviews are positivePlayers online now: 50$16.99
Plan B: Terraform
Turn frozen wasteland into green, living terrain by moving water, resources and people across a calm hex-grid planet.
91% of 3,652 Steam reviews are positivePlayers online now: 169$11.99
Astro Colony
Set up conveyor networks, dock your stations and research new tech at your own pace, alone or with friends.
80% of 2,446 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
Scorchlands
Build, optimize, and explore at your own pace in Scorchlands, a cozy yet strategic colony builder.
88% of 115 Steam reviews are positive$11.99
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
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
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
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
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
Red Planet Farming
Become the first Agricultural Director of Mars in Red Planet Farming!
96% of 891 Steam reviews are positiveFree
Newest games like OBRII
Wall World Strategy
Build a colony on an endless vertical structure, manage its people and resources, and survive what lives in the dark.
85% of 40 Steam reviews are positivePlayers online now: 667
Project Tomorrow
Wake on a ruined planet, terraform it back to life and fight off everything that wants it dead again.
96% of 90 Steam reviews are positivePlayers online now: 163$5.94
EarthX 2
Build rockets, win contracts, reuse your fleet and grow a launch business all the way to terraforming the Red Planet.
82% of 88 Steam reviews are positivePlayers online now: 10$19.99
The Crust
Build a lunar colony Earth depends on. Mine regolith, run conveyor-and-drone factories above and below the surface, keep your colonists fed and…
75% of 3,983 Steam reviews are positivePlayers online now: 538$19.19
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
Astro Colony
Set up conveyor networks, dock your stations and research new tech at your own pace, alone or with friends.
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
Solar Expanse - Space Exploration Manager
Run a space company at your own pace, moving cargo across the solar system one careful calculation at a time.
87% of 1,343 Steam reviews are positivePlayers online now: 86$17.99
Blossom: The Seed of Life
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.
87% of 1,066 Steam reviews are positivePlayers online now: 50$16.99
Occupy Mars: The Game
Fix machines, wire up a base and keep your oxygen flowing on an open, red planet, alone or with friends in co-op.
68% of 2,745 Steam reviews are positivePlayers online now: 94$29.99
Solargene
Run a private space corporation across a realistically simulated solar system.
77% of 786 Steam reviews are positivePlayers online now: 18$34.99
AUTARKIS
Build colonies and portals. Protect your settlers from catastrophes. Find the lost components. Mine resources. Escape with a rocket. Save us all!
93% of 29 Steam reviews are positive$2.49