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.

Similarity 54%
Price -20% 15.99€
Rating 6.3
Release 05 Nov 2024
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.

Similarity 54%
Price -71% 8.80€
Rating 8.7
Release 20 Mar 2025
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.

Similarity 54%
Price -96% 1.04€
Rating 6.5
Release 26 May 2017
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.

Similarity 53%
Price 9.75€
Rating 6.4
Release 17 Aug 2017
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.

Similarity 53%
Price -61% 5.85€
Rating 8.4
Release 07 Nov 2023
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.

Similarity 53%
Price 3.99€
Rating 9.3
Release 21 Oct 2013
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.

Similarity 53%
Price -19% 14.99€
Rating 7.3
Release 08 Apr 2021
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.

Similarity 53%
Price -83% 5.23€
Rating 6.7
Release 24 Jul 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!

Similarity 53%
Price -60% 10.14€
Rating 8.5
Release 16 Sep 2025
Buggos Lead your hive to victory in 'Buggos', an RTS Auto Battler! Customize your swarm with 120+ evolutions and conquer humanity. Strategy meets bug chaos!

Similarity 53%
Price -75% 4.10€
Rating 8.3
Release 17 Mar 2022
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!

Similarity 53%
Price 19.99€
Rating 8.2
Release 28 Jan 2021
Stardeus Stardeus is a deep colony sim set on a broken starship manned by drones and hibernating human survivors. As the AI, have your drones repair your ship, save your crew and travel the stars in this beautiful simulation.

Similarity 53%
Price -4% 28.82€
Rating 8.4
Release 12 Oct 2022
Gnomoria Gnomoria is a sandbox village management game where you help lead a small group of gnomes, who have set out on their own, to thrive into a bustling kingdom! Anything you see can be broken down and rebuilt elsewhere.

Similarity 53%
Price -11% 11.13€
Rating 7.3
Release 23 Feb 2016
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.

Similarity 53%
Price -73% 12.23€
Rating 7.5
Release 20 Sep 2024
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.

Similarity 53%
Price -88% 2.53€
Rating 6.7
Release 18 Aug 2021
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.

Similarity 52%
Price -77% 4.49€
Rating 8.9
Release 18 Feb 2014
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.

Similarity 52%
Price -88% 2.54€
Rating 8.2
Release 19 Aug 2019
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.

Similarity 52%
Price 19.99€
Rating 8.8
Release 02 Nov 2020
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.

Similarity 52%
Price 16.79€
Rating 8.0
Release 27 Apr 2015
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.

Similarity 52%
Price Free to play
Rating 8.3
Release 15 Oct 2020
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.

Similarity 51%
Price -96% 0.44€
Rating 8.2
Release 14 Oct 2013
Last Hope - Tower Defense Zombie Tower Defense: Join the ongoing war, in an open world, against the undead zombie horde. Choose between multiple powerful heroes all with unique epic gear and skills! With the wide variety of towers you can create your own perfect strategy.

Similarity 51%
Price -72% 1.12€
Rating 7.8
Release 13 Apr 2016
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.

Similarity 51%
Price -49% 12.88€
Rating 7.5
Release 20 Oct 2025
Age of Empires IV: Anniversary Edition Celebrating its first year of delighting millions of global players, the award-winning and best-selling strategy franchise continues with Age of Empires IV: Anniversary Edition, putting you at the center of even more epic historical battles that shaped the world.

Similarity 51%
Price -66% 13.99€
Rating 8.5
Release 28 Oct 2021
pyramida A village builder / survival game. Expand your village by day and fight monsters at night. Learn how to survive, and try to prevent your imminent demise . . .

Similarity 51%
Price 2.99€
Rating 8.0
Release 14 Aug 2020
Ostriv Ostriv is a city-building game that puts you in a role of a governor of an 18th century Ukrainian town to challenge your creative skills and management abilities.

Similarity 51%
Price 20.99€
Rating 9.2
Release 19 Mar 2020
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

Similarity 51%
Price 29.99€
Rating 7.4
Release 19 Jan 2026
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.

Similarity 51%
Price -79% 4.23€
Rating 8.0
Release 15 May 2025
Taur Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?

Similarity 51%
Price 20.99€
Rating 7.7
Release 19 Feb 2020
Sheltered Sheltered is a deep and emotional survival management game. You take on the role of protecting four family members who, after a global apocalypse, have found their way to a deserted shelter.

Similarity 51%
Price -94% 0.83€
Rating 7.9
Release 15 Mar 2016
MicroTown Build and manage your own settlement! A relaxing village construction and management simulator.

Similarity 51%
Price 9.99€
Rating 8.8
Release 30 Aug 2019
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.

Similarity 51%
Price -63% 13.03€
Rating 8.2
Release 11 Dec 2025
Ancient Cities Ancient Cities is a realistic, survival city builder in an immersive procedural environment. Lead the fate of your tribe through ancient times!

Similarity 51%
Price 29.99€
Rating 6.2
Release 24 Mar 2023
Act of Aggression - Reboot Edition Act of Aggression – Reboot Edition brings the techno-thriller RTS game Act of Aggression to a higher level. The Reboot Edition offers a full gameplay overhaul in skirmish mode against the AI and in your multiplayer battles.

Similarity 50%
Price -67% 9.93€
Rating 6.5
Release 02 Sep 2015
The Colonists 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.

Similarity 50%
Price -90% 2.33€
Rating 8.1
Release 24 Oct 2018
Protolife Protolife is an unique tower-based strategy game which gives you a direct control over the builder robot in a struggle against the hungry proto-life organism.

Similarity 50%
Price -35% 7.79€
Rating 8.0
Release 15 Jun 2018