39 City Builder · Colony Sim games your group can play together online, including Stronghold Crusader: Definitive Edition, Territory: Farming and Warfare, and Pioneers of Pagonia.
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.
92%92% positive of 10,877 reviews2.6KPlaying now: 2,558$19.99
From a small village of a dozen people to a small kingdom of thousands of people. Arrange for residents to work, gathering, fishing and hunting, farming and mining, processing and manufacturing. Trade, accumulate supplies, increase your strength, and fight evil forces and monsters.
84%84% positive of 746 reviews23Playing now: 23$14.99
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.
81%81% positive of 4,843 reviews81Playing now: 81$34.99
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!
74%74% positive of 6,681 reviews469Playing now: 469$29.99
Build by day, defend by night! Kingdom's Deck is a card-based city builder where you build and protect your Kingdom from the enemy siege. Build your deck, deploy your cards wisely, defend your walls, manage your resources, and respond to various events that will shape your Kingdom!
70%70% positive of 510 reviews23Playing now: 23$3.99
Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.
86%86% positive of 9,859 reviews125Playing now: 125$14.99
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.
68%68% positive of 747 reviews1Playing now: 1$4.79
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.
71%71% positive of 288 reviews1Playing now: 1$19.99
Play solo or in co-op with friends, take control of the hive and protect it from enemies. Build factories and defence, research technologies and, if necessary, use nuclear weapons, but do not let the enemies harm the queen!
86%86% positive of 1,646 reviews3Playing now: 3$9.99
Kingdom Eighties is a short story-based standalone expansion set in the Kingdom universe. A rad adventure of micro-strategy and base building in vivid ‘80s neon. Defend your town against the mysterious Greed and discover the secrets of your family lineage!
73%73% positive of 3,137 reviews24Playing now: 24$11.99
Create your own prehistoric civilization and lead your tribe in a world you shape. Start with nothing, build towns and industry, and advance through thousands of years of technological breakthroughs in this intimate yet expansive colony sim.
78%78% positive of 2,076 reviews18Playing now: 18$24.99
Start as a cast-out nobi with nothing to your name and survive in Joseon. Gather resources, build homes and bases, and continue hunting, crafting, fighting, and exploring together with up to 8 players. Travel through over a hundred ruins and notable locations as you create your own life.
72%72% positive of 268 reviews8Playing now: 8$23.99
A city builder with simulated citizens, set in a procedurally-generated world map. Grow your kingdom through the eras from a tiny medieval hamlet into a prosperous global empire! Cooperate or compete in real-time with your friends in multiplayer mode.
89%89% positive of 8,887 reviews157Playing now: 157$19.99
Make Mars your own! Take control of the world’s most sophisticated AI (AMI) and terraform the surface of the Red Planet for a city-building experience on a planetary scale. Transform this barren world into a lush paradise and explore the surface for any ancient secrets that may be waiting.
75%75% positive of 4,116 reviews64Playing now: 64$7.49
Besiege Great Khans, Imperial warlords and Shōgun commanders in Stronghold: Warlords, the latest 'castle sim' from Firefly Studios. Command AI warlords across the battlefield as you build a castle economy and new gunpowder-fuelled siege engines!
64%64% positive of 4,473 reviews78Playing now: 78$39.99
Become a real medieval feudal lord: start with a small village and build it up into an enormous impenetrable castle. You will have to repel enemy raids: hide behind thick walls, lure your enemies into strategically placed traps, and even lead your loyal peasants into battle.
75%75% positive of 594 reviews2Playing now: 2$19.99
Gather coins, build defenses and reclaim your fallen Kingdom. Explore and uncover secrets, unlock new technologies and protect your crown versus waves of Greed monsters that come at night. Kingdom is a solo or co-op micro-strategy and tower defense game set in an atmospheric pixel world.
89%89% positive of 32,946 reviews1.9KPlaying now: 1,933$19.99
With this modernized History Edition dive into the diversified mix of enthralling build-up matches and exciting real-time fights. Manifold landscapes await to be explored and populated. Includes the main game plus the two expansions.
82%82% positive of 827 reviews25Playing now: 25$11.99
Build a new home for your team of robots as they begin a new life for themselves on a distant planet where they can fulfil their ultimate dream: to be human.
85%85% positive of 1,056 reviews23Playing now: 23$24.99
Northgard: Definitive Edition is a critically acclaimed real-time strategy game based on Norse mythology. Lead your clan, uncover the secrets of a mysterious newfound continent and defeat your enemies to conquer the Throne!
85%85% positive of 54,588 reviews983Playing now: 983$9.79
Pioneer a living world full of warmth, heroism, and mystery. Help a small group of settlers build a home for themselves in a forgotten land. Establish a food supply, build shelter, defend your people, monitor their moods, and find a way to grow and expand, facing challenges at every step.
76%76% positive of 10,664 reviews81Playing now: 81$19.99
Tax, torture or treat your peasants! Rehabilitate criminals or sentence them to death? Decide as you enjoy jousting over a lavish banquet, all while under siege from the warmongering Lord Barclay.
88%88% positive of 4,935 reviews333Playing now: 333$14.99