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They Are Billions Achievements · SteamPeaks

Apps They Are BillionsAchievements

They Are Billions

GameApp ID 644,930by Numantian GamesReleased 18 Jun 2019

WindowsEngine —

Base Building Colony Sim Strategy Zombies Survival RTS +14 +16

View on SteamSteam

Data

Price history Charts Patches Events Reviews Audience Estimates Availability

Technical

Metadata Packages1 DLC1 Depots2 Requirements Install size Configuration Cloud saves

Content

Achievements Community Media Related apps

History

Update history Store history

Everything

Achievements Overview Price history Charts Patches Events Reviews Audience Estimates Availability Metadata Packages1 DLC1 Depots2 Requirements Install size Configuration Cloud saves Community Media Related apps Update history Store history Full details

Every achievement on record

Achievements

34 achievements

RarestInfected Killer Level 100.5% of players

Most earnedInfected Killer Level 162% of players

Infected Killer Level 1
10.000 infected killed!
62%
Infected Killer Level 2
50.000 infected killed!
47%
Infected Killer Level 3
100.000 infected killed!

App ID644,930

Release date18 Jun 2019

Engine—

Install size5.71 GB

TypeGame

Last update22 Jan 2026

Steam DeckPlayable

DLC1

DeveloperNumantian Games

Changenumber38,635,991

Price$29.99

Packages1

PublisherNumantian Games

SystemsWindows

Followers—

Depots2

Compare this game

They Are Billions

Numantian Games
Released 18 Jun 2019·App 644930

Steam user reviews

Very Positive

85.1%· 51.4K reviews

Recent Very Positive · 80%

SteamPeaks Rating

84.7 Positive

Recent 30 days 72.3

Playing now

1,025

−86 vs. yesterday

4.6%of peak

All-time peak

22,295

Jan 2018

Updated 10 Sep 2026, 23:49 UTCData by SteamPeaks.com

39%

Infected Killer Level 4

500.000 infected killed!

19%

Infected Killer Level 5

1 Million infected killed!

12%

Infected Killer Level 6

2 Millions infected killed!

7.4%

Infected Killer Level 7

5 Millions infected killed!

3.7%

Infected Killer Level 8

10 Millions infected killed!

2.2%

Infected Killer Level 9

50 Millions infected killed!

0.7%

Infected Killer Level 10

100 Millions infected killed!

0.5%

Colony Mayor Level 1

Build a colony with 1.000 colonists.

55%

Colony Mayor Level 2

Build a colony with 2.000 colonists.

40%

Colony Mayor Level 3

Build a colony with 5.000 colonists.

19%

Colony Mayor Level 4

Build a colony with 10.000 colonists.

4.8%

Survivor Level 1

Win a Survival game on Easy mode.

15%

Survivor Level 2

Win a Survival game on Accesible mode.

20%

Survivor Level 3

Win a Survival game on Challenging mode.

14%

Survivor Level 4

Win a Survival game on Brutal mode.

8.1%

Giant Slayer Level 1

Kill an Infected Giant.

37%

Giant Slayer Level 2

Kill two Infected Giant on the same map.

23%

Giant Slayer Level 3

Kill three Infected Giant on the same map.

21%

The Most Wonderful Colony

Build the six wonders in your colony.

14%

Open Mind

Win a Survival game (Score Factor >= 100%) without using walls, gates and towers.

2.0%

Soldier Wrath

Win a Survival game (Score Factor >= 100%) with just Soldiers in your army. No Attack Towers allowed.

1.6%

Ranger Revenge

Win a Survival game (Score Factor >= 100%) with just Rangers in your army. No Attack Towers allowed.

1.4%

Sniper Slaughter

Win a Survival game (Score Factor >= 100%) with just Snipers in your army. No Attack Towers allowed.

1.5%

No Towers Needed

Win a Survival game (Score Factor >= 200%) without using Attack Towers like Ballista or Executor.

2.1%

Peaceful

Win a Survival game (Score Factor >= 100%) with no new units trained.

1.3%

Unstoppable

Win a Survival game (Score Factor >= 100%) without pausing the game.

3.2%

Best General

Win a Survival game (Score Factor >= 100%) with no casualties. No Attack Towers allowed.

1.5%

For Quintus! Level 1

Win The New Empire Campaign with a score of 10.000 victory points.

5.8%

For Quintus! Level 2

Win The New Empire Campaign with a score of 25.000 victory points.

3.5%

For Quintus! Level 3

Win The New Empire Campaign with a score of 40.000 victory points.

2.6%

For Quintus! Level 4

Win The New Empire Campaign with a score of 70.000 victory points.

2.0%

Names, descriptions and icons are the game’s own, as Steam publishes them; the share is how many owners have unlocked each, from Steam's global figures for 34 of them.