Best Colony Sim Games on Steam
Unlike generic lists, our game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated colony sim games.
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Airborne Empire
Build your sky city while exploring a vast landscape in this Open World RPG City Builder. Combining the methodical construction and management of a city builder; the unique lift, balance, and propulsion needed for a flying city; and the compelling characters, dangers, and adventures of an RPG!
Sintopia
Manage Hell. Manipulate the Overworld. Build the resurrection business of your dreams! In Sintopia, you’re tasked with managing the bureaucratic administration of Hell: “re-educate” the sinful, generate profit, play god and expand your hellish empire. All part of a day’s work at Hell Incorporated.
DarkSwitch
DarkSwitch is a vertical survival city builder. Build a city on a great tree and defend it against the Fog. Face the challenges of limited real estate, scarce resources, and tough moral choices as you seek to uncover the mystery of the Shroud. The Tree Provides! The Tree Protects! The Tree Prevails!
Soulmask
Don the Ancient Mask. Wield the power of gods. Possess any of your tribespeople, recruit followers, and build a thriving automated civilization. Survive, expand, and forge your own legacy across a vast ancient open world — together with friends.
ALL WILL FALL
Build massive ocean cities and lead your people to prosperity in this post-apocalyptic survival colony sim. Featuring a physics-based 3D construction system, complex resource management, exploration, difficult political decisions, supply chains, and a robust sandbox mode.
Banana Drama
Banana Drama is an indie RTS game. It offers a singleplayer and online multiplayer experience. Your monkey king is held captive by evil dinos - he needs help! Be part of the banana crew and join us on Discord!
Eastern Era
To escape from pursuit, as the leader of your sect, guide your disciples to rise again! Engage in farming and hunting, train in martial arts, and forge weapons and armor. Build your sect's base and fortifications from the ground up to survive in this perilous, ambition-filled martial world!
Going Medieval
Build and manage your own castle settlement in a land reclaimed by wilderness. With detailed management, survival strategy, and a moddable sandbox world, Going Medieval challenges you to build the mightiest colony this side of the apocalypse.
Timberborn
Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A sandbox city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.
MR FARMBOY
MR FARMBOY is a colony farming game with automation. Build your dream farm, grow crops, raise animals, attract villagers, and hire workers to automate everything.
Laysara: Summit Kingdom
Build and expand your very own settlements in high mountains! Carefully plan production chains and satisfy various needs of your three-caste society while dealing with mountain hazards such as weather breakdowns and avalanches. Are you skilled enough to make your town thrive?
The Last Starship
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
Occupy Mars: The Game
Survive and colonize Mars in a highly technical, open-world sandbox game. Build and upgrade your base, discover new regions, conduct mining operations, retrieve water, generate oxygen, grow crops, and fix broken parts.
Calyx
A strategy game with a new kind of enemy, Calyx puts you in charge of a space mining outpost, locked in battle against powerful plant-aliens. Build your base, gather resources, assemble your forces, and take on the Calyx. With only an out-of-date AI for company, can you survive?
Solargene
Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions
Craftlings
Inspired by legendary classics from the ’90s, Craftlings will take you on a journey full of strategic decisions and test your skills in optimizing automated production chains and Craftlings’ paths. Gather, deliver, build, and fight for wealth and glory in the unique, nostalgic world of Craftlings.
StarRupture
StarRupture is a first-person open world base-building game with advanced combat and tons of exploration. Play alone or in a group on this sublime and ever-changing planet, extract and manage resources, create your complex industrial system and fight off hordes of alien monsters.
Pioneers of Pagonia
Rebuild hope in a world that was lost in the fog. Lead your Pioneers across the isles of Pagonia, unite scattered tribes, raise thriving communities and discover the history of your people as you reclaim your world in the new story campaign.
Asbury Pines
A grisly mystery in a small town unfolds across centuries through the stories of its residents. Orchestrate their work, grow resources, upgrade skills, and create automated production loops between past and future eras. All to uncover a sprawling secret embedded in the flow of time.
Whiskerwood
Establish a home for your industrious mice under the oppressive paw of your cat overlords in this city builder featuring complex simulations, intricate production chains, and the age-old rivalry between cat and mouse.
Lessaria: Fantasy Kingdom Sim
Lessaria is an RTS inspired by Majesty 👑 where you guide heroes with indirect control. Play through the campaign or relax in sandbox mode as you build your magical kingdom.
IDLE BOSS RUSH
Slay giant bosses and turn the hollow wasteland into the almighty kingdom! Endlessly rewarding incremental game where you collect fountains of rare loot, unleash crazy combos and watch the monsters fall under your knees. Boss Rush that keeps on going when you're gone!
STARIO: Haven Tower
A vertical kingdom in the sky! Plan your ascent from the harsh Sand Zone, rising layer by layer as you and your Towertizens stand together against looming disasters. Build trade ports and vertical supply networks. Perform Rituals to shape miracles, and witness the prosperity of this rising nation.
Buggos 2
Conquer and destroy the dirty Humans by sending swarms of bugs to crush their home worlds. Evolve your Buggos into stronger, faster, more murderous creatures that can rip the Human defenses to shreds! No one can stop your evolutionary powers. You are the evil Buggo Hivemind!!!
After Long Night
After Long Night is a sandbox survival RTS. Build and fortify your base, scavenge every corner for vital resources, craft deadly weapons, and raise a militia to fight off relentless zombie hordes that strike every night. In this world, scavenging isn't just survival—it's strategy, power and war.
Ale Abbey - Monastery Brewery Tycoon
Build and expand your monastery, craft recipes and brew holy ales in this unique brewery tycoon. No pre-made recipes in Ale Abbey, oh no. It's a canvas for true beer alchemists. It's as simple as: brew, sip, repeat. Welcome to Ale Abbey!
Roman Triumph: Survival City Builder
At the farthest reaches of the empire, a new Roman city is born! Manage and grow your city, please the gods, and survive against barbarians and mythological threats to achieve Roman Triumph!
Plan B: Terraform
Terraform a lifeless rock into a lush and habitable world. Build trucks, trains, and sprawling factories on an enormous hexagonal planet. Grow its population to millions. Enjoy a dynamic simulation of atmosphere, temperature, water, and forests.
Planetary Life
Manipulate climate, add plants and evolve creatures in this planet and life sandbox simulation game. From cells to civilizations, spread life throughout the whole planet. Or just enjoy watching your creation burn!
Noble Legacy
Noble Legacy is a medieval city-builder in which you rule the lands as a Noble. Build your kingdom, manage your people, defend your realm, and master a deep economy, alone or with friends in co-op, every decision is yours. What kind of ruler will you be?
Endzone 2
Endzone 2 is a post-apocalyptic survival colony builder, where you embark to secure humanity's survival after a cataclysmic disaster. Discover and repopulate the last habitable grounds, while the survival of your people hinges on your wits, foresight, and resilience in a harsh and unforgiving world.
Fill Up The Hole
Turn trash into cash in a dystopian world! Fill Up The Hole is a short incremental game where you build a city, automate garbage production, and toss it into a magical hole for profit.
Drill Core
Corporate greed meets strategic planet-mining in Drill Core! Drill to the heart of planets while managing workers, researching cutting-edge tech, and fortifying against alien attacks. Will you prioritize efficiency and risk your workers' safety, or focus on defense for survival?