Best Colony Sim Games on Steam

Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated colony sim games. For those who prefer not to search, check out lists of the most played, top deals and best free to play Colony Sim games on Steam.

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Super Fantasy Kingdom Rebuild your kingdom and explore a vibrant fantasy world in this roguelite city builder. Defeat hordes of monsters with a unique team of defenders as you harvest, build, mine, cook, brew, and grow. But if your defenses should fail, be prepared to watch it all burn!

Price -35% 9.74€
Rating 8.0
Release 24 Oct 2025
Becastled Build a castle by day and defend it by night. Becastled blends cozy city-building with challenging tower defense strategy. Lead the Sun Kingdom’s last stand against the Moon Beasts and end the ancient conflict between light and darkness!

Price -33% 13.06€
Rating 8.0
Release 22 Oct 2025
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.

Price -20% 19.99€
Rating 7.6
Release 20 Oct 2025
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!

Price 9.75€
Rating 6.1
Release 29 Sep 2025
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!!!

Price 19.50€
Rating 8.1
Release 25 Sep 2025
Celestial Empire The Emperor has chosen you as a new provincial governor. Design the city of your dreams, admiring its details from a bird's-eye view. Take care of your people, develop efficient production chains and trade with other landlords. Ensure their survival through harsh winters and disasters.

Price -29% 14.35€
Rating 8.4
Release 23 Sep 2025
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.

Price -49% 5.00€
Rating 7.5
Release 19 Sep 2025
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!

Price 14.99€
Rating 8.6
Release 17 Sep 2025
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!

Price -44% 14.20€
Rating 8.5
Release 16 Sep 2025
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.

Price 15.99€
Rating 8.8
Release 29 Aug 2025
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!

Price 11.79€
Rating 8.7
Release 15 Aug 2025
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?

Price 24.50€
Rating 7.1
Release 12 Aug 2025
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.

Price -79% 6.40€
Rating 6.7
Release 24 Jul 2025
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.

Price 2.99€
Rating 8.5
Release 17 Jul 2025
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?

Price -60% 7.80€
Rating 8.1
Release 17 Jul 2025
The Wandering Village The Wandering Village is a city-building simulation game on the back of a giant, wandering creature. Build your settlement and form a symbiotic relationship with the colossus. Will you survive together in this hostile, yet beautiful post-apocalyptic world, contaminated by poisonous plants?

Price -40% 17.99€
Rating 8.8
Release 17 Jul 2025
Stronghold Crusader: Definitive Edition Gird your loins and sharpen your steel! Besiege 20 unique enemy lords and battle friends online, in this expanded remaster of the classic 'castle sim'. Relive history with new units, opponents, visuals, audio, campaigns, skirmish trails, co-op and larger maps.

Price -36% 12.84€
Rating 8.8
Release 15 Jul 2025
ISLANDERS: New Shores Welcome to ISLANDERS: New Shores. Build your island retreat in a calm, minimalist world with exciting new features that keep the classic charm while inspiring fresh creativity.

Price -25% 7.49€
Rating 9.0
Release 10 Jul 2025
Ground of Aces Take command of a remote military air base during World War II. Build your own airfield, manage iconic aircraft and oversee your crew’s well-being. Prepare them against air raids and send your pilots on dangerous missions. Survive and help your nation win the war!

Price -20% 19.60€
Rating 8.2
Release 10 Jul 2025
After Inc: Revival Can you rebuild civilisation after a zombie apocalypse? From the creator of Plague Inc. comes a unique blend of strategic simulation, survival city builder and ‘mini 4X’. Build settlements, harvest resources and shape society as you lead Humanity out of the darkness.

Price -20% 13.99€
Rating 7.5
Release 17 Jun 2025
Zombie Cure Lab In a world overrun by the undead, build a lab to fight back with science. Manage survivors, gather vital resources, and turn zombies into allies. Defend your base and research the cure to reclaim humanity.

Price -73% 6.75€
Rating 6.8
Release 27 May 2025
Worshippers of Cthulhu LEAD the CULT OF CTHULHU. Decide the fate of your followers, perform eldritch rituals, and master the art of city-building in a world where the line between sanity and madness blurs. Can you endure the horrors you unleash?

Price -76% 5.97€
Rating 8.2
Release 22 May 2025
Blacksmith Master Manage your own medieval smithy in Blacksmith Master and supervise the entire process from mining ores and gems to designing and selling finished products. Forge everything from weapons and armor to tools and cooking utensils to fund your craft and become the Blacksmith Master.

Price -56% 8.96€
Rating 8.0
Release 15 May 2025
Darfall Darfall is a hero-based RPG city-building game that puts you in the role of a hero who must protect their home and help it grow! During the day, grow your hero’s might, find epic loot, master new abilities, and fortify your settlement. At night, survive the hordes of undead, until you triumph.

Price 24.50€
Rating 7.5
Release 08 May 2025