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They Are Billions (2019)

Numantian Games

Nintendo Switch 2, PC (Microsoft Windows), PlayStation 4, Xbox One

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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?

Details

Developers
Numantian Games
Publishers
BlitWorks, Numantian Games
Genres
Indie, Real Time Strategy (RTS), Role-playing (RPG), Strategy
Themes
Science fiction, Survival
Also known as
Zombie Survival Colony Builder - They Are Billions (Japanese title, translated)

Release dates

  • Dec 13, 2017 (Early access) PC (Microsoft Windows)
  • Jun 18, 2019 PC (Microsoft Windows), Xbox One, PlayStation 4
  • Jan 22, 2026 Nintendo Switch 2