Get They Are Billions Steam Key for free! The Steam key is a collection of 15 numbers and letters that is used to activate a full video game on the Steam platform. Redeem the key on your Steam client to download They Are Billions.
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?