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They Are Billions

StrategyPCSolo

About this game

They Are Billions is a strategy game in a distant future about building and managing huma

Last checked 3 Nov 2026

Available since (your time)
Player receptionVery Positive80% positive · 19K Steam reviews ↗

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They Are Billions

They Are Billions is a strategy game in a distant future about building and managing huma

Player reception: Very Positive · 80% positive · 19K Steam reviews

Available on Steam (PC) — Buy · from $29.99 · GOG (PC) — Buy · from US$29.99, checked 3 Nov 2026.

More about They Are Billions

They Are Billions is a strategy game set in a distant future where survivors must build and manage human colonies after a zombie apocalypse devastated humanity. With only a few thousand humans remaining, players strategize to survive against massive swarms of infected. Core gameplay involves constructing fortified settlements, managing resources, training unique mercenary units, and defending against relentless infected hordes. The game features real-time strategy with pause functionality, 90+ technologies, and 48 missions in its campaign. Survival Mode challenges players to build colonies that endure against random infected swarms in generated worlds.

Where to play

LauncherPlatformAccessPriceGame link
SteamPCBuy$29.99Visit official ↗
GOGPCBuyUS$29.99Visit official ↗
Availability historyPast official availability changes
  • BuyGOG · PC · 21 Sep 2026
  • BuySteam · PC · 17 Oct 2026