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Best Colony Sim Steam Games on Sale

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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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 -44% 11.38€
Rating 9.0
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 -47% 5.32€
Rating 9.1
Release 10 Jul 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 -55% 11.36€
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 -92% 2.02€
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 -77% 4.71€
Rating 8.0
Release 15 May 2025
Mini Settlers Mini Settlers is a minimalistic city builder! Settle islands, construct cities, and design efficient logistic networks to fulfill your buildings' needs and fuel population growth to adventure into new worlds.

Price -97% 0.40€
Rating 8.2
Release 06 May 2025
Survivalist: Invisible Strain It's ten years since the infection started. Long-established settlements are collapsing, one by one, for unknown reasons. Survivors are running to the hills to escape, hoping for safety in remote places. As another refugee, you're here to carve out a new life for yourself - by any means necessary.

Price -59% 4.91€
Rating 8.4
Release 25 Apr 2025
Havendock Breathe easy and thrive in this cozy colony sim. Build a haven for castaways, manage resources, live your best life on the ocean. Lead your humble settlement into a high-tech society.

Price -98% 0.42€
Rating 8.1
Release 22 Apr 2025
Synergy An ecosystem City Builder in a unique world. Build your settlement, manage your workers and optimize your resources. Analyzing your environment, spreading new plants, and harvesting them are key to prosperity.

Price -99% 0.23€
Rating 7.9
Release 16 Apr 2025
Gnomes Gnomes is a turn-based tower defense with deep roguelike progression, set in ever-expanding, procedurally generated biomes. Build, farm and defend your village as you push deeper into goblin-infested territory. Unlock powerful upgrades and craft your environment to survive the endless goblin horde

Price -50% 4.99€
Rating 9.2
Release 04 Apr 2025
KAISERPUNK Build a city to rule the world in Kaiserpunk, a grand city builder blending production-focused city building with world conquest in an alternate 20th century world. Manage your city, grow industries, build a military, and defeat rivals to become the greatest empire.

Price -57% 13.02€
Rating 6.7
Release 21 Mar 2025
One Lonely Outpost An alien world sometimes needs a farmer’s touch to bring it to life. In this sci-fi, colonization-life sim, terraform a barren world: turn wastelands into verdant landscapes while exploring, farming, building, and unlocking all the mysteries of this strange new planet.

Price -98% 0.51€
Rating 6.2
Release 06 Mar 2025
Stellar Settlers: Space Base Builder Stellar Settlers is a chill space base/city builder and colony sim game. With unique vertical and horizontal base-building gameplay, settle on 10 hostile alien planets and build your own thriving colony. Get enough materials to build a physics-based Spaceship and try to escape from disasters.

Price -66% 4.14€
Rating 7.0
Release 22 Feb 2025
Microtopia Become the hive mind of a robot ant colony in Microtopia! Use pheromone trails to create, automate and optimize supply chains for your ants to follow. Collect resources, produce goods, feed your queen, grow your colony and fly out to expand the species!

Price -73% 5.47€
Rating 8.2
Release 18 Feb 2025
My Little Life A relaxing life-sim that lives on the bottom of your screen while you do other things.

Price -91% 0.57€
Rating 8.6
Release 31 Jan 2025
Exogate Initiative Build and manage mankind’s first mission across the universe! Create a sprawling facility underground, recruit a diverse group of specialists from around the globe and explore mysterious new worlds through the Exogate.

Price -61% 9.99€
Rating 7.0
Release 28 Jan 2025
Settlements Rising Settlements Rising is a medieval city building and colony management game. It offers a lively colony experience with simulated villagers, dozens of professions and resources, natural disasters, and raids, while providing full control over the colony through trade, production chains and datas.

Price -35% 12.01€
Rating 7.8
Release 20 Jan 2025
Idle Colony A condensed incremental experience, where you build a colony to collect and merge bigger and bigger fruits. Combine game-changing technologies and special upgrades to find the best synergies and take your cash flow to another dimension.

Price -44% 3.37€
Rating 7.6
Release 16 Dec 2024
Railroads Online Build your dream railroad across a huge open world! You can build tracks and stations, drive detailed locomotives, and transport goods to earn money and experience. Play exciting Online Multiplayer sessions with your friends or create your very own sandbox!

Price -90% 3.20€
Rating 7.5
Release 05 Dec 2024
Catizens Inspired by RimWorld and The Sims, Catizens is a colony management simulation game where you watch over unique cats with quirky personalities, as you help them build and grow their settlement while exploring new lands, facing off against wildlife and overcoming the challenges of each environment.

Price -97% 0.67€
Rating 7.8
Release 14 Nov 2024
Ecosystem Create virtual lifeforms whose development is shaped by a deep simulation of evolution. Guide them as they fight, mate, and adapt to the environment you have built. All the creatures in the trailer evolved on their own in the game!

Price -60% 7.87€
Rating 7.4
Release 08 Nov 2024
Sengoku Dynasty Sengoku Dynasty is the ultimate feudal Japan experience: build villages, grow your community, and shape the open world through combat or economy. The choice is yours alone - or that of up to 4 players in multiplayer co-op!

Price -75% 6.87€
Rating 7.2
Release 07 Nov 2024
Ark of Charon Build a mobile fortress on the back of a giant and mysterious walking Tree and embark on a journey in this merge of tower defense and colony simulation.

Price -62% 10.07€
Rating 7.4
Release 06 Nov 2024
Empire of the Ants Conquer enemy nests and lead your colony through the perils of the forest in this groundbreaking RTS. Empire of the Ants is a photorealistic, third-person real-time strategy game where you command your insect legions in epic battles.

Price -72% 11.46€
Rating 7.3
Release 06 Nov 2024
Diplomacy is Not an Option Diplomacy is Not an Option is a strategy game set in a medieval fantasy world. Build your town and defenses, raise huge armies and fight against massive hordes of enemies. How long can you survive?

Price -84% 4.88€
Rating 8.3
Release 04 Oct 2024
Guardians of the Sanctree You and allies, avian inhabitants of Sanctree City, build structures and production lines on the tree, crafting weapons to fend off subterranean insects. Defense is just the start—dig deeper, destroy nests, fortify new defenses against escalating threats for an impregnable stronghold.

Price -85% 3.00€
Rating 7.2
Release 03 Oct 2024
Frostpunk 2 Develop, expand, and advance your city in a society survival game set 30 years after an apocalyptic blizzard ravaged Earth. In Frostpunk 2, you face not only the perils of never-ending winter, but also the powerful factions that watch your every step inside the Council Hall.

Price -78% 10.20€
Rating 7.5
Release 20 Sep 2024
Fantasy Map Simulator Fantasy Map Simulator: Create and watch imaginary worlds evolve over centuries. Design maps, simulate nations and their politics, and control destinies. See empires rise and fall on your desktop wallpaper. A unique simulation for history buffs and creative minds.

Price -25% 5.84€
Rating 8.6
Release 04 Sep 2024
Norland Lead your noble family in this medieval colony sim, facing off against class conflict, religious struggle, and political treachery. Tend to your people’s needs, uncover the lost knowledge of a fallen empire, and engage in nefarious plots against your enemies.

Price -70% 9.02€
Rating 7.9
Release 18 Jul 2024
The Crust Automate a lunar base as you become the savior of humanity exploring the future on the moon. Mine, craft, research, and trade resources with Earth in this gripping narrative basebuilder.

Price -77% 6.96€
Rating 7.4
Release 15 Jul 2024
ASKA A new Viking age dawns with you at its helm. Forge a thriving colony from nothing in this mythic open-world survival sim. Earn the gods' favor and survive in a land ruled by ancient terrors and unforgiving seasons. Rally unique villagers, expand your settlement and defend your tribe - solo or co-op!

Price -54% 11.72€
Rating 7.8
Release 20 Jun 2024
Workers & Resources: Soviet Republic Build a soviet republic from an impoverished country into a rich industrial superpower in a city builder with intricate production chains and a fully simulated global economy. Manage the lives of your citizens from education to work and party loyalty to criminal activity.

Price -83% 6.92€
Rating 8.9
Release 20 Jun 2024
Republic of Pirates Establish and grow a pirate utopia during the Golden Age of Piracy. Create a resource-based economy, engage in real-time naval combat, and conduct diplomacy with rival powers. Explore the far reaches of the Caribbean in search of the ultimate fortune and glory.

Price -81% 4.94€
Rating 7.0
Release 19 Jun 2024
First Dwarf Pilot a dwarven mech and fly a dragon as you build and defend outposts across a shattered magical realm. Craft, explore, and survive the dangers of floating islands corrupted by the Taint in this action-packed survival RPG with base-building and co-op.

Price -41% 14.26€
Rating 7.1
Release 19 Jun 2024
Empires of the Undergrowth Command swarms of warriors at an unprecedented scale of warfare in this blend of RTS and base-building. Lead ant colonies against the many fearsome threats of the insect world, while building intricate nests, developing pheromone-based tactics, and evolving to meet growing dangers.

Price -92% 2.67€
Rating 9.2
Release 07 Jun 2024
Reus 2 Shape worlds with your godly titans. Make symbiotic ecosystems and inspire humanity with your creations. Their achievements unlock new possibilities. Make different planets for different human spirits, and fill the universe with life!

Price -77% 5.71€
Rating 9.1
Release 28 May 2024

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