Games like They Are Billions on Steam
            
              
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        Surviving the Abyss
      
      
        Earth, 1976. You have been tasked with managing a deep-sea science facility working to perfect cloning. Explore the darkness and keep your crew alive in this hardcore survival colony builder. And beware. The darkness hides untold horrors.
      
    
    
  
      
        Cataclismo
      
      
        Design and build fortresses brick by brick to stand against endless hordes of Horrors in this real-time strategy game with resource management, siege defense, and exploration. Lead from the ramparts, push back the darkness, and hold fast against the creatures of the Mist.
      
    
    
  
      
        Life is Feudal: Forest Village
      
      
        LiF:Forest Village is a city builder with survival aspects in a realistic harsh medieval world. Shape, build and expand your settlement, grow various food to prevent your villagers from avitaminosis and starvation. Possess them for additional micromanagement or simply to wander around.
      
    
    
  
      
        Castle Story
      
      
        Castle Story is a creative voxel-based strategy game in which you can build castles one brick at a time using an army of little creatures called Bricktrons. Design and build your own castles, expand your territory in a vast landscape and defend your Bricktrons against onslaughts of hostile creatures.
      
    
    
  
      
        Stronghold: Definitive Edition
      
      
        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.
      
    
    
  
      
        Stronghold HD (2012)
      
      
        The original castle sim, Stronghold HD allows you to design, build and destroy historical castles. Engage in medieval warfare against the AI in one of two single player campaigns or online with up to 8 players.
      
    
    
  
      
        First Feudal
      
      
        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.
      
    
    
  
      
        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.
      
    
    
  
      
        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!
      
    
    
  
      
        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.
      
    
    
  
      
        Academia : School Simulator
      
      
        Design, build, and manage a high school with terrific teachers and fantastic facilities or simply let your students poop in the bushes? Academia : School Simulator is a management/tycoon game where you get to decide!
      
    
    
  
      
        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.
      
    
    
  
      
        Hell Architect
      
      
        Hell Architect is a game about building and managing your own hell. You take on a role of a hell manager and are tasked with developing the underworld in a way that would make Lucifer himself fall off his chair.
      
    
    
  
      
        Banished
      
      
        In this city-building strategy game, you control a group of exiled travelers who decide to restart their lives in a new land. They have only the clothes on their backs and a cart filled with supplies from their homeland. The townspeople of Banished are your primary resource.
      
    
    
  
      
        Age of Empires: Definitive Edition
      
      
        Age of Empires, the pivotal real-time strategy game that launched a 20-year legacy returns with modernized gameplay, all-new 4K visuals, 8-person multiplayer battles and a host of other new features. Welcome back to history.
      
    
    
  
      
        Tower Dominion
      
      
        Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line!
      
    
    
  
      
        Kingdoms Reborn
      
      
        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.
      
    
    
  
      
        State of Decay: YOSE
      
      
        Make your stand against the collapse of society in the ultimate zombie survival-fantasy game. Explore an open world full of dangers and opportunities that respond to your every decision. Recruit a community of playable survivors, each with their own unique skills and talents.
      
    
    
  
      
        Age of Empires III: Definitive Edition
      
      
        Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product.
      
    
    
  
      
        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.
      
    
    
  
      
        Knights and Merchants
      
      
        KNIGHTS and MERCHANTS recreates the era of the Middle Ages. Apart from the purely fictitious geography of our world, all game elements and scenes are based on the Anglo-Saxon period, 1200 A.D. And we haven't used imaginary elements like fabled creatures, either. The player takes on the role of an ordinary captain in the Palace Guard.
      
    
    
   
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
    