Games like They Are Billions on Steam

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Until We Die Until We Die is a side-scrolling strategy game about defending your base where you have to run around as Ivan, assign tasks to people, and fight mutants in the post-apocalyptic subway!

Similarity 60%
Price 13.99€
Rating 6.4
Release 03 Jun 2021
Seeds of Resilience Ready to start anew? Build a village from scratch in Seeds of Resilience. Learn to choose the right items, understand nature's patterns, use real life-based constructions and craft techniques in this turn-based tycoon game.

Similarity 60%
Price -96% 0.56€
Rating 6.6
Release 13 Jun 2019
Patron Patron is a survival city builder with a unique social dynamics system. Gather and produce resources, build your fledgling village into a prosperous city and navigate the intricate social tensions before they reach boiling point.

Similarity 60%
Price -98% 0.45€
Rating 7.1
Release 10 Aug 2021
Oxygen Not Included Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.

Similarity 60%
Price 22.99€
Rating 9.5
Release 30 Jul 2019
Land of the Vikings Land of the Vikings is a survival colony sim game. Build and lead your village, and expand it into a thriving city. A wise Jarl must manage resources, survive harsh conditions, and guide their fellow Vikings to work together through social conflict. Skál!

Similarity 60%
Price -75% 6.31€
Rating 7.3
Release 09 Oct 2023
The Last Haven The world after a nuclear war. Manage the settlement, learn technology, make decisions, produce weapons, ammunition, organize defense, raid for supplies on other areas, do not let residents die, survive the nuclear winter.

Similarity 59%
Price -43% 9.71€
Rating 6.0
Release 17 Feb 2023
Aven Colony Build a new home for humanity in Aven Colony. Discover Aven Prime - an alien planet of deserts, tundras, and wetlands light years from earth. Build your colonies into massive, sprawling cities whilst dealing with the challenges faced when settling on a new world.

Similarity 59%
Price -98% 0.64€
Rating 7.1
Release 25 Jul 2017
Grim Realms A dark fantasy colony sim - will your colony end the Dread Storm and redeem mankind, or will they harness the dark powers for themselves? Guide your villagers as they struggle to stay alive in a world overrun by the undead.

Similarity 59%
Price -77% 3.49€
Rating 7.4
Release 16 Mar 2024
IXION IXION is an unrelenting, city-building odyssey across the stars. As Administrator of the Tiqqun, DOLOS’ prototype space station, you are tasked with balancing preservation and exploration as you manage infrastructure, resources and crew. Can you keep the flame of humanity alight in the cold dark?

Similarity 59%
Price -82% 6.25€
Rating 7.7
Release 07 Dec 2022
TFM: The First Men An open-world colony sim based on stories of the first men. Infinite possibilities await your very own Adam and Eve as they embark on a generation-spanning adventure. How will you shape their future?

Similarity 58%
Price 24.50€
Rating 6.1
Release 02 Nov 2022
Space Haven Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.

Similarity 58%
Price -77% 5.20€
Rating 8.4
Release 21 May 2020
Songs of Syx Songs of Syx is a fantasy city-builder with vast battles simulating thousands of citizens and soldiers. Start off as a small village and build, scheme, and fight your way towards a mighty empire. The mechanics are deep and true to life, where tiny events can spiral into the collapse of kingdoms.

Similarity 58%
Price 24.50€
Rating 9.3
Release 21 Sep 2020
Odd Realm Forge a new kingdom in a land recovering from the Fracture. Which of the surviving races will you lead to rebuild, explore, and conquer the unknown? The dwindling yet immortal Ancients? The bold and resourceful Humans? The life stealing Ardyn? Or the secretive Gwdir who shape living groves?

Similarity 58%
Price 19.50€
Rating 8.1
Release 16 Aug 2024
Laysara: Summit Kingdom Build and expand your very own settlements in high mountains! Carefully plan production chains and satisfy various needs of your three-caste society while dealing with mountain hazards such as weather breakdowns and avalanches. Are you skilled enough to make your town thrive?

Similarity 58%
Price -54% 11.50€
Rating 7.9
Release 27 Feb 2026
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.

Similarity 58%
Price 18.49€
Rating 7.8
Release 20 Jan 2025
Dwarf Fortress Build a fortress and try to help your dwarves survive against a deeply generated world. Keep your dwarves happy, grow their community and beware of digging too deeply. The deepest, most intricate simulation of a world that's ever been created.

Similarity 57%
Price -20% 23.19€
Rating 9.3
Release 06 Dec 2022
Reshaping Mars 「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.

Similarity 57%
Price 8.19€
Rating 8.0
Release 30 Mar 2023
The Riftbreaker The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.

Similarity 57%
Price -76% 7.24€
Rating 8.8
Release 14 Oct 2021
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.

Similarity 57%
Price -84% 6.45€
Rating 8.9
Release 20 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.

Similarity 57%
Price -87% 4.04€
Rating 9.2
Release 07 Jun 2024
Aquatico Aquatico is a classic city builder set within the depths of the sea. Strategically build an underwater colony atop the ocean floor and face the challenges that accompany oceanic life.

Similarity 57%
Price -98% 0.64€
Rating 6.6
Release 12 Jan 2023
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.

Similarity 57%
Price -98% 0.41€
Rating 8.1
Release 22 Apr 2025
Cepheus Protocol Cepheus Protocol is an Open World RTS Military Survival Game. Play as the CERC hunting Patient 0, maintain Quarantine camps, fight dangerous mutations & Rogue Civilian Combatants . There’s nobody else coming, it’s up to you now.

Similarity 57%
Price -95% 1.08€
Rating 7.6
Release 15 May 2020
Border Pioneer As the kingdom's most promising pioneer, embark on a legendary journey to tame the frontier! Build thriving towns across various landscapes, fending off waves of diverse enemies until you establish a firm foothold and have explored everything the eye can see!

Similarity 56%
Price -95% 0.86€
Rating 8.4
Release 06 Feb 2025
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.

Similarity 56%
Price -97% 0.56€
Rating 7.8
Release 14 Nov 2024
Diluvian Winds Diluvian Winds is a relaxing management game set in a small hamlet at the foot of a lighthouse. Welcome weary travelers and work together to expand your hamlet on land, under the sea, or among the clouds.

Similarity 56%
Price -71% 4.49€
Rating 6.9
Release 25 Apr 2024
As Far As The Eye Build a mobile village and travel with your tribe toward the center of the world, called The Eye. This roguelike turn-based resource-management game is made of procedural situations, natural events, skill-trees and hard choices. Ready to move?

Similarity 56%
Price -99% 0.40€
Rating 7.0
Release 10 Sep 2020
Kingdom Wars 2: Definitive Edition An intense real-time strategy game set in a dark fantasy world of Orcs, Elves and Dragons. Kingdom Wars 2 combines the best of Zombie survival and crafting with complex fast-paced city building. Fight massive siege battles that turn beautiful landscapes into gory blood-soaked battlefields.

Similarity 56%
Price -86% 1.37€
Rating 6.4
Release 09 Jul 2019
Settlement Survival In this city-building game, you will lead a group of survivors in their search for a new home. Manipulate the landscape, manage limited supplies, plant crops, hunt wildlife, gather resources, and develop trade routes to build a bustling and unique town.

Similarity 56%
Price -98% 0.42€
Rating 8.4
Release 24 Oct 2022
Dawn of Man Command a settlement of ancient humans, guide them through the ages in their struggle for survival. Hunt, gather, craft tools, fight, research new techs and face the challenges the environment will throw at you.

Similarity 55%
Price -63% 9.30€
Rating 8.5
Release 01 Mar 2019
MarZ: Tactical Base Defense Build your defense base to fight back the undead hordes of Mars and secure the future of the red planet. MarZ is a game of strategy and tactical defense where you must carefully manage your crew and resources as you try to uncover the terrible secrets of the undead.

Similarity 55%
Price -85% 3.18€
Rating 7.5
Release 04 Apr 2019
Kingdom: New Lands Kingdom: New Lands builds upon the award-winning gameplay and mystery of Kingdom by introducing an abundance of new content to the IGF-nominated title while maintaining the simplicity and depth that legions of monarchs have come to experience and enjoy.

Similarity 55%
Price -95% 0.80€
Rating 8.4
Release 09 Aug 2016
Vedelem: The Golden Horde Védelem: The Golden Horde is a medieval Real Time Strategy and Survival game set in the 13th century. Build, expand and defend your lands against the deadliest Mongolian invasion ever witnessed. They will seek to destroy your walls and salt your earth. Will you survive the Golden Horde?

Similarity 54%
Price Free to play
Rating 8.4
Release 22 Jun 2021
Vectorio Classic The original, uncompleted version of Vectorio. Claim resources, unlock new buildings, and expand your defenses as you fight back against enemy forces in the classic edition of Vectorio! Play for free now.

Similarity 54%
Price Free to play
Rating 8.9
Release 22 Mar 2021
Stranded: Alien Dawn Brave a new world in Stranded: Alien Dawn, a planet survival sim placing the fate of a small marooned group in your hands. Forge your story through compelling and immersive strategic gameplay as you make vital decisions to protect your survivors.

Similarity 54%
Price -25% 26.26€
Rating 8.3
Release 25 Apr 2023
Paleon Your time machine is broken. And it looks like you are stuck in the past. Try to create your own civilization and return home!

Similarity 54%
Price -90% 0.90€
Rating 7.7
Release 27 Oct 2023