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They Are Billions is a strategy game in a distant future about building and managing human colonies after a zombie apocalypse destroyed almost all of human kind. Now there are only a few thousand humans left alive that must struggle to survive under the threat of the infection. Billions of infected roam around the world in massive swarms seeking the last living human colonies.

Game Modes

Campaign: The New Empire - Available now!

Lead the campaign under the orders of Quintus Crane, ruler of the New Empire, and reconquer the lands devastated by the infected.

  • 48 missions with more than 60 hours of gameplay.
  • Build fortified colonies to survive in infected territories
  • Destroy the swarms of infected with the Imperial Army.
  • Make your colonies evolve with more than 90 available technologies.
  • Explore the ancient human fortresses with your Hero.
  • Discover the story behind the apocalypse... how did the pandemic start?

Survival Mode

In this mode, a random world is generated with its own events, weather, geography, and infected population. You must build a successful colony that must survive for 100 days against the swarms of infected. It is a fast and ultra addictive game mode. We plan to release a challenge of the week where all players must play the same random map. The best scores will be published in a leaderboard.

Real Time with Pause

This is a real-time strategy game, but don’t get too nervous. You can pause the action to take the best strategic and tactical decisions.

In Pause Mode, you can place structures to build, give orders to your army, or consult all of the game’s information.

This game is all about strategy, not player performance or the player’s skill to memorize and quickly execute dozens of key commands. Pause the game and take all the time you need!

Build your Colony

Build dwellings and acquire food for the colonists. They will come to live and work for the colony.

Collect resources from the environment using various building structures. Upgrade buildings to make them more efficient.

Expand the energy distribution of the colony by placing Tesla Towers and build mills and power plants to feed the energy to your buildings.

Build walls, gates, towers, and structures to watch the surroundings. Don’t let the infected take over the colony!

Build an Army

What kind of people would want to combat the infected?

Only the maddest ones. Train and contract mercenaries to protect the colony. They demand their money and food, and you will have to listen to their awful comments, but these tormented heroes will be your best weapon to destroy the infected.

Every unit is unique and has their own skills and personality – discover them!

Thousands of Units on Screen

Yes! They are billions! The world is full of infected creatures… they roam, smell, and listen. Every one of them has their own AI. Make noise and they will come – kill some of them to access an oil deposit and hundred of them will come to investigate.

We have created our custom engine to handle hordes of thousands of the infected, up to 20,000 units in real time.

Do you think your colony is safe? Wait for the swarms of thousands of infected that are roaming the world. Sometimes your colony is in their path!

Prevent the Infection

If just one of the infected breaks into a building, all the colonies and workers inside will become infected. The infected workers will then run rabid to infect more buildings. Infections must be eradicated from the beginning, otherwise, it will grow exponentially becoming impossible to contain.

Beautiful 4K Graphics!

Prepare to enjoy these ultra high definition graphics. Our artists have created tons of art pieces: Beautiful buildings with their own animations, thousands of frames of animation to get the smoothest movements and everything with a crazy Steampunk and Victorian style!

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Now you can set modify all the game rules for your custom levels.

Hello everyone!

We have been working for a while on improving and expanding the They Are Billions level editor. The first big update, available right now in the new version V1.1, allows to modify the rules of the game. You can now modify all the parameters of the units, buildings and enemies in your custom levels.
Every time we make this kind of modifications we have to be very careful because it can affect both the original game and the hundreds of levels that the community has created, any change must guarantee full compatibility with everything that already exists.

The modification of the rules is carried out by means of a function “ApplyRules ()” that can be used in any script of the game such as events, hordes, when activating objects or entering zones, at the beginning of the game…

Some random examples:

  • When you release a neutral soldier cornered by zombies, he reveals a technology that increases the attack of your units by 50%.
  • A new Titan is made available at a higher cost but with a doubled range shooting effect.
  • From the Command Center you can access a market to purchase unit and building upgrades.
  • A new type of random scenario with its own rules in which the infected are extremely active and nervous.

You will be able to create your own random survivals with your own rules.

We have updated the level editor guide on Steam that explains all the parameters and syntax with examples of this new functionality.

And that’s all for now. We are looking forward to playing the new scenarios created by the Community with their own rules.

See you soon!

They Are Billions, Now Available on PS4 and XBOX One!

They Are Billions, Now Available on PS4 and XBOX One!


We are very happy to announce that They Are Billions is available for XBOX One (right now) and PS4 on July 9th.

They Are Billions - New Version 1.0.8: Improvements and New Features

They Are Billions - New Version 1.0.8: Improvements and New Features


We continue working to improve the game and, our number one priority, to fix all the bugs and issues. Since the release They Are Billions has between...

The New Empire Campaign and V.1.0 Available Now!

The New Empire Campaign and V.1.0 Available Now!

News 2 comments

At last, They Are Billions reaches version 1.0. We are leaving the Early Access and the great Campaign, The New Empire, will be available for all players...

They Are Billions Update: Trailer: The New Empire Campaign (Available on June 18th)

They Are Billions Update: Trailer: The New Empire Campaign (Available on June 18th)


At last! The highly anticipated They Are Billions Campaign will be available on June 18th. Watch the official trailer and learn more about the campaign...

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Çeviri devam etmektedir. Donanım Haber forumundaki konusundan da takip edebilirsiniz.

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Hello: I have writen about THEY ARE BILLIONS in a Spanish translation of the best indie games of 2018: T.co

Reply Good karma Bad karma+2 votes

This game seems very cool, it deserves to have multiplayer.

Reply Good karma Bad karma+3 votes

Gentlemen the game is so far amazing, the soundtrack of every stage is beautiful and epic, it is not just impresive but delightful, beutiful and epic game indeed.

Reply Good karma Bad karma+1 vote

Definitely voting for this amazing thing. I don't have it yet, but **** me if I don't plan to get it in the future. When I'm not poor!

Reply Good karma Bad karma+3 votes

awesome! :DDDDD, wil be free2play?

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I'm still enjoying Lords of Xulima. This looks amazing! Can't wait...

(Buena suerte gente, que no es facil desarrollar juegos en la tierra de Cervantes :p)

Reply Good karma Bad karma+2 votes

When I get muns I'm probably gonna snag the best edition. This game looks great!

Reply Good karma Bad karma+1 vote

Looks cool, take our money and give us early access now!;-)

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They Are Billions
Windows, XONE, PS4
Developer & Publisher
Numantian Games
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Latest tweets from @numantiangames

They Are Billions: Modding Game Rules Numantiangames.com

Nov 11 2020

RT @BlitWorks: We received a package with several @TheyAreBillions boxed copies. The game was published on #PS4 by… T.co

Sep 25 2020

Lords of Xulima - Main Theme on Piano by composer @nicolasdeferran Youtu.be #lordsofxulima #gamemusic

Mar 2 2020

RT @theyarebillions: They Are Billions has been nominated to Gamemusic Readers’ Choices for Album of the Year 2019. Check it out! You ca… T.co

Jan 9 2020

RT @theyarebillions: Happy Holidays and Happy New Year from Numantian Games! @NumantianGames Steamcommunity.com #HappyHolidaysT.co

Dec 22 2019

RT @BlitWorks: The just released @theyarebillions campaign for #PS4 & #XboxOne includes multiple text-improvements in sharpness, i… T.co

Dec 7 2019

RT @theyarebillions: We are considering many options in expanding the universe of They Are Billions such as extending the original game… T.co

Dec 4 2019

RT @theyarebillions: The wait is finally over! The New Empire Campaign is Out Now on #PS4 & #Xbox. It's time to put your strategic skil… T.co

Dec 3 2019

RT @theyarebillions: The New Empire Campaign launches on #PS4 & #Xbox on December 3rd! Yes, next week! The campaign update is free to al… T.co

Nov 28 2019

RT @theyarebillions: They Are Billions PS4/XB1 update adds "PRO control mode" Shortcut-only controller-friendly controls for PROs… T.co

Sep 18 2019

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