They Are Billions
Live player count and Steam charts
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?
Player history
Each point is the highest number of players online in that month (UTC). History before July 13, 2026 is imported; everything after is our own readings. Zoom in for finer detail.
Monthly player counts
| Month | Avg players | Gain | % gain | Peak |
|---|---|---|---|---|
| Jul 2026 * | 2,106 | +23 | +1.1% | 3,632 |
| Jun 2026 | 2,083 | +23 | +1.1% | 3,672 |
| May 2026 | 2,060 | +10 | +0.5% | 3,624 |
| Apr 2026 | 2,050 | -69 | -3.3% | 3,826 |
| Mar 2026 | 2,119 | -159 | -7.0% | 3,788 |
| Feb 2026 | 2,278 | -142 | -5.9% | 3,936 |
| Jan 2026 | 2,420 | +124 | +5.4% | 4,318 |
| Dec 2025 | 2,296 | -1 | 0.0% | 4,039 |
| Nov 2025 | 2,297 | -20 | -0.9% | 4,275 |
| Oct 2025 | 2,317 | +36 | +1.6% | 4,295 |
| Sep 2025 | 2,281 | -106 | -4.4% | 4,217 |
| Aug 2025 | 2,387 | +18 | +0.8% | 4,137 |
* current month, data so far
Recent updates
- Jan 22, 2026They Are Billions now on Nintendo Switch 2
- Nov 11, 2020Modding Game Rules
- Dec 22, 2019Happy Holidays!
- Dec 4, 2019The New Empire Campaign available for XBOX One and PlayStation 4, and more!
- Jul 5, 2019They are Billions, now available on PS4 and XBOX One!
- Jul 2, 2019Wondering the total number of zombies killed by all TAB players?
When people play
Average concurrent players by day and hour over the last 16 days, shown in .
Daily activity peaks around 14:00 — a pattern consistent with a player base concentrated in East & Southeast Asia. Steam publishes no per-country player data, so this is inferred from play times.
Audience
Language mix of 100 Steam reviews spanning 15 days — a rough proxy for where the player base is.
Achievements
Every achievement in the game, ordered from most to least earned (#1 is the one the most players have). Height is the share of all players who have it; the dashed line is the median. Global rates from Steam.
