Games like They Are Billions on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like They Are Billions are available at the bottom of the page.
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RimWorld
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
Jumbo Airport Story
Just imagine: your own world-famous airport! A game with sky-high levels of fun!
Craft The World
Craft The World is a unique sandbox strategy game, the mix of Dungeon Keeper, Terraria and Dwarf Fortress.Explore a random generated world populated by dangerous creatures, build a dwarf fortress, gather resources, and craft all the items, weapons, and armor you need.
Oxygen: First Breath
This is a free version of Oxygen, featuring the first 50 game-days. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and keep the Oxygen Center running!
Kingdom Eighties
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!
Timberborn
Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.
Zombie Builder Defense
Top down, action packed, multiplayer, zombie shooter. Build your base with friends and see how long you can survive the endless horde of zombies. Level up with friends, or alone, how you die is up to you.
Outpost: Infinity Siege
Command Mobile Outpost and take XEN Firearm to venture deep into the Signet surveillance off-limit area. Collect unique Weapon Units. Amp up the firepower of the Outpost that fights with you. This is an FTD game - FPS, Tower Defense, Base Building and much more all at the same time.
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.
Ruinarch
Ruinarch is an evil god simulator and sandbox game where you mess with people’s lives for hilarious results! Make them vampires, werewolves or bard haters and cackle as the drama unfolds. Once you’re done, unleash a malicious buffet of spells and custom plagues to wipe them out and start anew!
Stronghold: Warlords
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!
Per Aspera
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.
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.
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.
The Spatials
It's the year 5781 -- and you have been chosen to build and lead a space station in a wild corner of the galaxy! Attract visitors and explore hundreds of planets to fund your station.
Creeper World 3: Arc Eternal
Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.
Stronghold Legends: Steam Edition
Catapult werewolves over castle walls, incinerate troops with dragon fire and command the Knights of the Round Table! This remaster of the mythical ‘castle sim’ features Steam multiplayer, Workshop support, new maps, achievements and DLC campaigns.
Stronghold 2: Steam Edition
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.
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.
Overcrowd: A Commute 'Em Up
Design and build the most efficient metro stations known to man! Excavate. Expand. Set staff priorities. And manage the commuter flow. Overcrowd is a 2.5D management/tycoon/simulator set below the bustling city of Lubdon Town.
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?
Age of Darkness: Final Stand
Age of Darkness: Final Stand is a dark fantasy survival RTS where you must illuminate, build and defend humanity’s last bastion against hordes of Nightmares. Set in the remnants of a kingdom consumed by a deadly fog, you decide. Will you hide in the light? Or take back your world.
Before We Leave
Before We Leave is a city building game set in a cozy corner of the universe. Nurture your Peeps and their surroundings while rebuilding and rediscovering civilisation. Settle new lands and planets while avoiding hungry Space Whales.
Egypt: Old Kingdom
Strategy simulator of the Great Pyramids period, where you take your path from the unification of Egyptian tribes to the foundation of The First Empire. Developed with the assistance of Egyptologists.Most played games like They Are Billions on Steam
Take a look at the top games like They Are Billions that are currently attracting the largest player bases on the Steam platform, as of April 30th 2025.
1. RimWorld
Similarity 54% A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more. RimWorld is a colony sim, base-building and survival game developed and published by Ludeon Studios. Released on October 17th 2018 has received 208,163 reviews of which 203,940 were positive and 4,223 were negative resulting in an impressive rating of 9.7 out of 10. The game has hit the top spot as the #1 most played game like They Are Billions, thanks to its 18,188 peak concurrent players over the last day.
9.7
203,940
4,223
18,188
players
2. 7 Days to Die
Similarity 51% 7 Days to Die is an open-world game that is a unique combination of first-person shooter, survival horror, tower defense, and role-playing games. Play the definitive zombie survival sandbox RPG that came first. Navezgane awaits! 7 Days to Die is a survival, zombies and multiplayer game developed by The Fun Pimps and published by The Fun Pimps Entertainment LLC. Released on July 25th 2024 has received 367,522 reviews of which 325,645 were positive and 41,877 were negative resulting in a rating of 8.8 out of 10. While seeing 18,083 players online at once in the last 24 hours, this game is currently ranked #2 among games like They Are Billions based on player count.
8.8
325,645
41,877
18,083
players
3. Oxygen Not Included
Similarity 55% 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. Oxygen Not Included is a colony sim, base-building and survival game developed and published by Klei Entertainment. Released on July 30th 2019 has received 127,555 reviews of which 123,406 were positive and 4,149 were negative resulting in an impressive rating of 9.5 out of 10. While seeing 4,349 players online at once in the last 24 hours, this game is currently ranked #3 among games like They Are Billions based on player count.
9.5
123,406
4,149
4,349
players
4. Kenshi
Similarity 62% A free-roaming squad based RPG. Focusing on open-ended sandbox gameplay features rather than a linear story. Be a trader, a thief, a rebel, a warlord, an adventurer, a farmer, a slave, or just food for the cannibals. Train your men up from puny victims to master warriors. Kenshi is a open world, sandbox and rpg game developed and published by Lo-Fi Games. Released on December 06th 2018 has received 95,926 reviews of which 91,605 were positive and 4,321 were negative resulting in an impressive rating of 9.4 out of 10. With 3,098 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like They Are Billions.
9.4
91,605
4,321
3,098
players
5. Timberborn
Similarity 53% Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? A city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood. Timberborn is a city builder, voxel and colony sim game developed and published by Mechanistry. Released on September 15th 2021 has received 30,607 reviews of which 29,222 were positive and 1,385 were negative resulting in an impressive rating of 9.3 out of 10. With 2,444 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like They Are Billions.
9.3
29,222
1,385
2,444
players
6. Manor Lords
Similarity 59% Manor Lords is a medieval strategy game featuring in-depth city building, large-scale tactical battles, and complex economic and social simulations. Rule your lands as a medieval lord – the seasons pass, the weather changes, and cities rise and fall. Manor Lords is a strategy, city builder and simulation game developed by Slavic Magic and published by Hooded Horse. Released on April 26th 2024 has received 70,793 reviews of which 61,238 were positive and 9,555 were negative resulting in a rating of 8.5 out of 10. With 2,051 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like They Are Billions.
8.5
61,238
9,555
2,051
players
7. Workers & Resources: Soviet Republic
Similarity 67% 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. Workers & Resources: Soviet Republic is a strategy, simulation and city builder game developed by 3Division and published by Hooded Horse. Released on June 20th 2024 has received 21,685 reviews of which 19,800 were positive and 1,885 were negative resulting in a rating of 8.9 out of 10. With 1,414 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like They Are Billions.
8.9
19,800
1,885
1,414
players
8. Northgard
Similarity 59% Northgard is a critically acclaimed 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! Northgard is a strategy, city builder and simulation game developed and published by Shiro Games. Released on March 07th 2018 has received 64,369 reviews of which 55,650 were positive and 8,719 were negative resulting in a rating of 8.5 out of 10. With 1,252 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like They Are Billions.
8.5
55,650
8,719
1,252
players
9. Foundation
Similarity 65% Foundation is a grid-less, laidback medieval city-building game with a focus on organic development, monument construction and resource management. Foundation is a city builder, simulation and medieval game developed and published by Polymorph Games. Released on January 31st 2025 has received 19,777 reviews of which 16,904 were positive and 2,873 were negative resulting in a rating of 8.4 out of 10. With 1,006 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like They Are Billions.
8.4
16,904
2,873
1,006
players
10. Farthest Frontier
Similarity 50% Protect and guide your people as you forge a town from untamed wilderness at the edge of the known world. Harvest raw materials, hunt, fish and farm to survive. Produce crafted items to trade, consume, equip and fight with as you battle for your survival against the elements and outside threats. Farthest Frontier is a early access, historical and agriculture game developed and published by Crate Entertainment. Released on August 09th 2022 has received 19,280 reviews of which 16,579 were positive and 2,701 were negative resulting in a rating of 8.4 out of 10. With 995 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like They Are Billions.
8.4
16,579
2,701
995
players
Best deals on games like They Are Billions on Steam
Discover fantastic savings with the best discounts on a variety of games like They Are Billions available on Steam right now, updated on April 30th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like They Are Billions.
1. Founders' Fortune
Similarity 58% A fantasy village builder focusing on creative building, colonist psychology and base defense. Handle resources, farming, production, tools, diplomacy, families, trading, defense, and research, as well as the wishes, expectations, thoughts, and equipment of every villager. Founders' Fortune is a colony sim, base-building and city builder game developed and published by Dionic Software. Released on December 18th 2020 has received 2,099 reviews of which 1,690 were positive and 409 were negative resulting in a rating of 7.8 out of 10. Featuring a massive 95% discount, this game currently holds the #1 spot in the best deals for games like They Are Billions.
7.8
1,690
409
-95%
20.00€
1.00€
2. Stronghold Crusader 2
Similarity 55% Stronghold Crusader 2 is the long awaited sequel to the original castle sim. After 12 years Stronghold returns to the desert with a new 3D engine and powerful Havok Physics. Crusader 2 recaptures the original game’s addictive, fast-paced gameplay and authentic castle simulation. Stronghold Crusader 2 is a strategy, medieval and city builder game developed and published by FireFly Studios. Released on September 22nd 2014 has received 16,945 reviews of which 12,225 were positive and 4,720 were negative resulting in a rating of 7.1 out of 10. Thanks to its incredible 93% discount, this game is now the #2 best deal in games like They Are Billions.
7.1
12,225
4,720
-93%
34.57€
2.42€
3. Life is Feudal: Forest Village
Similarity 58% 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. Life is Feudal: Forest Village is a city builder, colony sim and strategy game developed by Mindillusion and published by Bitbox Ltd.. Released on May 26th 2017 has received 5,881 reviews of which 3,897 were positive and 1,984 were negative resulting in a rating of 6.5 out of 10. Thanks to its incredible 93% discount, this game is now the #3 best deal in games like They Are Billions.
6.5
3,897
1,984
-93%
24.57€
1.72€
4. Cartel Tycoon
Similarity 63% Cartel Tycoon is a survival business sim inspired by the ‘80s and '90s narco trade. Expand and conquer, fight off rival thugs and evade the authorities. Earn people's loyalty and strive to overcome the doomed fate of a power-hungry drug lord. Cartel Tycoon is a top-down, rts and resource management game developed by Moon Moose and published by tinyBuild. Released on July 26th 2022 has received 3,518 reviews of which 2,687 were positive and 831 were negative resulting in a rating of 7.4 out of 10. Currently offered at a significant 92% discount, this title has earned the #4 position in the best deals for games like They Are Billions.
7.4
2,687
831
-92%
28.25€
2.26€
5. Frostpunk
Similarity 80% Frostpunk is the first society survival game. As the ruler of the last city on Earth, it is your duty to manage both its citizens and infrastructure. What decisions will you make to ensure your society's survival? What will you do when pushed to breaking point? Who will you become in the process? Frostpunk is a city builder, survival and resource management game developed and published by 11 bit studios. Released on April 24th 2018 has received 122,181 reviews of which 113,027 were positive and 9,154 were negative resulting in an impressive rating of 9.1 out of 10. Currently offered at a significant 91% discount, this title has earned the #5 position in the best deals for games like They Are Billions.
9.1
113,027
9,154
-91%
30.00€
2.70€
6. Surviving the Aftermath
Similarity 68% Survive and thrive in a post-apocalyptic future — resources are scarce, but opportunity calls! Build the ultimate disaster proof colony, protect your colonists, and restore civilization to a devastated world. Surviving the Aftermath is a strategy, simulation and city builder game developed by Iceflake Studios and published by Paradox Interactive. Released on November 16th 2021 has received 4,332 reviews of which 3,062 were positive and 1,270 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 91% discount, this title has earned the #6 position in the best deals for games like They Are Billions.
6.9
3,062
1,270
-91%
30.78€
2.77€
7. Prison Architect
Similarity 50% Only the world’s most ruthless Warden can contain the world’s most ruthless inmates. Design and develop your personalized penitentiary in Prison Architect. Prison Architect is a simulation, building and sandbox game developed by Double Eleven and Introversion Software and published by Paradox Interactive. Released on October 06th 2015 has received 72,107 reviews of which 64,262 were positive and 7,845 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 90% discount, this title has earned the #7 position in the best deals for games like They Are Billions.
8.8
64,262
7,845
-90%
24.80€
2.48€
8. Autonauts
Similarity 50% In Autonauts you must build, create, and automate. Start by establishing a colony, crafting bots and teaching them via Scratch-style programming to build an ever evolving autonomous paradise of agriculture, industry and enlightenment. Autonauts is a simulation, programming and automation game developed by Denki and published by Curve Games. Released on October 17th 2019 has received 4,758 reviews of which 4,258 were positive and 500 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 90% discount, this title has earned the #8 position in the best deals for games like They Are Billions.
8.6
4,258
500
-90%
20.60€
2.06€
9. Stronghold Crusader 2
Similarity 55% Stronghold Crusader 2 is the long awaited sequel to the original castle sim. After 12 years Stronghold returns to the desert with a new 3D engine and powerful Havok Physics. Crusader 2 recaptures the original game’s addictive, fast-paced gameplay and authentic castle simulation. Stronghold Crusader 2 is a game developed and published by . Released on September 22nd 2014 has received 16,945 reviews of which 12,225 were positive and 4,720 were negative resulting in a rating of 7.1 out of 10. Currently offered at a significant 93% discount, this title has earned the #9 position in the best deals for games like They Are Billions.
7.1
12,225
4,720
-93%
34.57€
2.42€
10. Stronghold: Warlords
Similarity 52% 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! Stronghold: Warlords is a city builder, real time tactics and colony sim game developed and published by FireFly Studios. Released on March 09th 2021 has received 4,968 reviews of which 3,230 were positive and 1,738 were negative resulting in a rating of 6.4 out of 10. Currently offered at a significant 90% discount, this title has earned the #10 position in the best deals for games like They Are Billions.
6.4
3,230
1,738
-90%
34.99€
3.49€
Free games like They Are Billions on Steam
Check out this fantastic list of free-to-play games like They Are Billions you can enjoy on Steam right now, updated on April 30th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like They Are Billions.
1. Kingdom: Classic
Similarity 64% Kingdom is a 2D sidescrolling strategy/resource management hybrid with a minimalist feel wrapped in a beautiful, modern pixel art aesthetic. Kingdom: Classic is a free to play, singleplayer and strategy game developed by Noio and Licorice and published by Raw Fury. Released on October 21st 2015 has received 22,020 reviews of which 19,963 were positive and 2,057 were negative resulting in a rating of 8.9 out of 10. The game currently holds the #1 spot among the most played free games like They Are Billions.
8.9
19,963
2,057
48
players
2. Oxygen: First Breath
Similarity 53% This is a free version of Oxygen, featuring the first 50 game-days. Build your city around the Oxygen Center and ensure your people's survival in a post-apocalyptic future, threatened by crack explosions, deadly winds, droughts and frosts. Lead your people and keep the Oxygen Center running! Oxygen: First Breath is a strategy, base building and city builder game developed by Turquoise Revival Games and published by GrabTheGames and UpgradePoint. Released on October 07th 2022 has received 1,586 reviews of which 1,425 were positive and 161 were negative resulting in a rating of 8.6 out of 10. The game currently holds the #2 spot among the most played free games like They Are Billions.
8.6
1,425
161
4
players
3. Garbage: Hobo Prophecy
Similarity 50% Experience the struggle which a homeless man goes through in a humorous manner. Primitive elements of contemporary life that we take for granted, such as staying warm, well-nourished, and hygienic, will become an issue. Garbage: Hobo Prophecy is a simulation, strategy and auto battler game developed by Homebased and published by GrabTheGames and UpgradePoint. Released on January 28th 2021 has received 1,391 reviews of which 1,023 were positive and 368 were negative resulting in a rating of 7.1 out of 10. The game currently holds the #3 spot among the most played free games like They Are Billions.
7.1
1,023
368
1
players
4. Zombie Builder Defense
Similarity 53% Top down, action packed, multiplayer, zombie shooter. Build your base with friends and see how long you can survive the endless horde of zombies. Level up with friends, or alone, how you die is up to you. Zombie Builder Defense is a action, zombies and online co-op game developed and published by Noham Games. Released on November 02nd 2018 has received 494 reviews of which 333 were positive and 161 were negative resulting in a rating of 6.5 out of 10. The game currently holds the #4 spot among the most played free games like They Are Billions.
6.5
333
161