They Are Billions RTS Review

They Are Billions is a post-apocalyptic RTS (Real-Time Strategy) survival video game developed and published by Numantian Games. The game was originally released for Steam’s Early Access program on December 13th of 2017.


They Are Billions pits the player in a randomly generated, steampunk themed, zombie-infested world. Your goal is to build a settlement to protect yourself. By planning your defenses and strategies, you just might be able to survive the horde of advancing zombies. While sending out your units to explore, you might run into Villages of Doom, which you can pillage and destroy to gain bonus resources.

They Are Billions Gameplay
They Are Billions Gameplay

There are eight resources that you have to successfully manage in order to achieve victory. Those are gold, food, workers, wood, stone, iron, energy and oil. Units and buildings follow a tech tree and require certain materials to be made.

The player must keep these zombie-like creatures from breaching the defenses and infecting structures. In addition, just like the player has different units, there are also different types of zombies that attack you. Those can vary between the slow, decrepit ones to extremely fast zombies called “Harpies“. You will also encounter zombies with high HP known as “Butchers“.

They Are Billions Story and Setting

The date the game is set in is somewhere in the late 22nd century, following a world-wide rabies-like infection which triggers a zombie apocalypse. While the surviving population tries to build protective settlements, but sometime later even these fortresses are overrun by zombies. The apocalypse has also caused a severe technological regression, so technology is now at a 19th century level.

In the campaign, you play as a colony administrator and commander under General Quintus Crane, who desires to build a new human empire. His plan is to conquer territory and build fortified colonies connected by a railway network. At the same time, your objective is to recover technologies and gradually learn about the origins of this strange infection.

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