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They Are Billions
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By: Numantian Games, BlitWorks
By: Numantian Games, BlitWorks
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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?
PC (Microsoft Windows) · Dec 13, 2017
Worldwide · Exact date · Early access · IGDB
PlayStation 4 · Jun 18, 2019
Worldwide · Exact date · Full release · IGDB
PC (Microsoft Windows) · Jun 18, 2019
Worldwide · Exact date · Full release · IGDB
Xbox One · Jun 18, 2019
Worldwide · Exact date · Full release · IGDB
Nintendo Switch 2 · Jan 22, 2026
Worldwide · Exact date · Full release · IGDB
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34 achievements available.
Kill an Infected Giant.
LockedSteam
Kill two Infected Giant on the same map.
LockedSteam
Kill three Infected Giant on the same map.
LockedSteam
100.000 infected killed!
LockedSteam
100 Millions infected killed!
LockedSteam
10.000 infected killed!
LockedSteam
10 Millions infected killed!
LockedSteam
1 Million infected killed!
LockedSteam
2 Millions infected killed!
LockedSteam
500.000 infected killed!
LockedSteam
50.000 infected killed!
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50 Millions infected killed!
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5 Millions infected killed!
LockedSteam
Build a colony with 10.000 colonists.
LockedSteam
Build a colony with 1.000 colonists.
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Build a colony with 2.000 colonists.
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Build a colony with 5.000 colonists.
LockedSteam
Build the six wonders in your colony.
LockedSteam
Win a Survival game (Score Factor >= 200%) without using Attack Towers like Ballista or Executor.
LockedSteam
Win a Survival game (Score Factor >= 100%) without pausing the game.
LockedSteam
Win a Survival game (Score Factor >= 100%) with no new units trained.
LockedSteam
Win a Survival game (Score Factor >= 100%) with no casualties. No Attack Towers allowed.
LockedSteam
Win a Survival game (Score Factor >= 100%) without using walls, gates and towers.
LockedSteam
Win a Survival game (Score Factor >= 100%) with just Rangers in your army. No Attack Towers allowed.
LockedSteam
Win a Survival game (Score Factor >= 100%) with just Snipers in your army. No Attack Towers allowed.
LockedSteam
Win a Survival game (Score Factor >= 100%) with just Soldiers in your army. No Attack Towers allowed.
LockedSteam
Win a Survival game on Accesible mode.
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Win a Survival game on Brutal mode.
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Win a Survival game on Challenging mode.
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Win a Survival game on Easy mode.
LockedSteam
Win The New Empire Campaign with a score of 10.000 victory points.
LockedSteam
Win The New Empire Campaign with a score of 25.000 victory points.
LockedSteam
Win The New Empire Campaign with a score of 40.000 victory points.
LockedSteam
Win The New Empire Campaign with a score of 70.000 victory points.
LockedSteam
Community notes
