Steam reviews

Very Positive

85% of 50,829 reviews

Critic scores

Metacritic

Generally favorable

Aggregated from professional reviewers. OpenCritic and others are on the roadmap.

Where to play

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Strategy LiveActive

THEY ARE BILLIONS

They Are Billions has 1,829 concurrent players on Steam right now. Its 24 hour peak is 3,061 and its all-time peak is 3,692. Data refreshes every 5 minutes from the official Steam Web API.

DEV · Numantian Games2019

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?

Solid daily community. Plenty of people to play with right now.
Currently at 50% of the all-time peak of 3,692 players.
Last updated 5 months ago: They Are Billions now on Nintendo Switch 2.

Playing now

1,829

24h peak

3,061

24h change

▼ 6.2%

Quick verdict

Is They Are Billions still alive in 2026?

See verdict →

PREVIOUS 24 HOURS

GALLERY & TRAILERS

1 / 20

ACROSS PLATFORMS

STEAMLIVE

Current

1.83K

24h peak

3.06K

All-time

3.69K

TWITCHLIVE · VIEWERS

Watching now

Xbox · PlayStation · Nintendo

No public concurrent-player API exists for these platforms. Other sites guess by scraping achievement timestamps or leaderboards. We won’t make up numbers. If the platforms ever ship a real API, real numbers will show up here.