| Month | Peak | Average | Polls |
|---|---|---|---|
| November 2026 | 23 | 14 | 12 |
| October 2026 | 15 | 12 | 12 |
| September 2026 | 27 | 10 | Archive |
| August 2026 | 32 | 11 | Archive |
| July 2026 | 32 | 11 | Archive |
| June 2026 | 59 | 15 | Archive |
| May 2026 | 33 | 11 | Archive |
| April 2026 | 39 | 12 | Archive |
| March 2026 | 37 | 12 | Archive |
| February 2026 | 45 | 16 | Archive |
| January 2026 | 61 | 17 | Archive |
| December 2025 | 77 | 27 | Archive |
| November 2025 | 48 | 15 | Archive |
| October 2025 | 43 | 13 | Archive |
| September 2025 | 42 | 13 | Archive |
| August 2025 | 45 | 14 | Archive |
| July 2025 | 35 | 14 | Archive |
| June 2025 | 39 | 14 | Archive |
| May 2025 | 41 | 13 | Archive |
| April 2025 | 44 | 13 | Archive |
| March 2025 | 43 | 13 | Archive |
| February 2025 | 46 | 15 | Archive |
| January 2025 | 45 | 15 | Archive |
| December 2024 | 46 | 14 | Archive |
| November 2024 | 52 | 16 | Archive |
| October 2024 | 64 | 20 | Archive |
| September 2024 | 76 | 23 | Archive |
| August 2024 | 68 | 25 | Archive |
| July 2024 | 68 | 26 | Archive |
| June 2024 | 81 | 29 | Archive |
| May 2024 | 84 | 29 | Archive |
| April 2024 | 101 | 37 | Archive |
| March 2024 | 125 | 41 | Archive |
| February 2024 | 132 | 55 | Archive |
| January 2024 | 128 | 42 | Archive |
| December 2023 | 196 | 53 | Archive |
| November 2023 | 182 | 54 | Archive |
| October 2023 | 173 | 67 | Archive |
| September 2023 | 172 | 62 | Archive |
| August 2023 | 177 | 76 | Archive |
| July 2023 | 175 | 60 | Archive |
| June 2023 | 179 | 71 | Archive |
| May 2023 | 160 | 61 | Archive |
| April 2023 | 148 | 58 | Archive |
| March 2023 | 154 | 50 | Archive |
| February 2023 | 361 | 82 | Archive |
| January 2023 | 377 | 69 | Archive |
| December 2022 | 589 | 79 | Archive |
| November 2022 | 272 | 98 | Archive |
| October 2022 | 672 | 179 | Archive |
| September 2022 | 1,135 | 314 | Archive |
Player counts over time, as we observed them.
Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology
The average and peak number of people in the game on Steam in each calendar month before our own collection began. These figures come from a licensed historical archive, not from our own polls.
Source: Licensed historical archive, Monthly player history. Full methodology
| Month | Avg players | Kept | Compared with other games |
|---|---|---|---|
| LaunchSeptember 2022 | 314 | — | The busier of its first two months |
| 3 months onDecember 2022 | 79 | 25% | About average (better than 51% of 9,243 other games) |
| 12 months onSeptember 2023 | 62 | 20% | About average (better than 52% of 7,782 other games) |
瘟疫清零计划 Project Zero kept 25% of the average players it had at its launch in September 2022 after 3 months and 20% after 12 months. Monthly averages, ranked against every game we can score. How we count
这是一款3D俯视角的Roguelike射击游戏。 通过选择不同的天赋,玩家将Build出一个超强幸存者。 从而可以更好地击杀丧尸,并且活下来。 最终,玩家将会背负结束这场瘟疫的使命,为“清零”而战吧!

| Month | Average | Change | Change % | Peak |
|---|---|---|---|---|
| November 2026Nov 2026 (so far) | 14 | +7 | +88% | 23 |
| October 2026Oct 2026 | 8 | −3 | −25.2% | 22 |
| September 2026Sept 2026 | 10 | −1 | −11% | 27 |
| August 2026Aug 2026 | 11 | 0 | +0.3% | 32 |
| July 2026Jul 2026 | 11 | −4 | −24.5% | 32 |
| June 2026Jun 2026 | 15 | +4 | +40.2% | 59 |
| May 2026May 2026 | 11 | −1 | −10.1% | 33 |
| April 2026Apr 2026 | 12 | 0 | −1.7% | 39 |
| March 2026Mar 2026 | 12 | −3 | −22.4% | 37 |
| February 2026Feb 2026 | 16 | −1 | −6.6% | 45 |
| January 2026Jan 2026 | 17 | −11 | −38.9% | 61 |
| December 2025Dec 2025 | 27 | +13 | +84.5% | 77 |
| November 2025Nov 2025 | 15 | +2 | +15.5% | 48 |
| October 2025Oct 2025 | 13 | 0 | −3.4% | 43 |
| September 2025Sept 2025 | 13 | 0 | −3.1% | 42 |
| August 2025Aug 2025 | 14 | 0 | +1.6% | 45 |
| July 2025Jul 2025 | 14 | 0 | −0.1% | 35 |
| June 2025Jun 2025 | 14 | +1 | +8.1% | 39 |
| May 2025May 2025 | 13 | 0 | −3.1% | 41 |
| April 2025Apr 2025 | 13 | 0 | −2% | 44 |
| March 2025Mar 2025 | 13 | −1 | −10% | 43 |
| February 2025Feb 2025 | 15 | 0 | −3.4% | 46 |
| January 2025Jan 2025 | 15 | +2 | +11.2% | 45 |
| December 2024Dec 2024 | 14 | −3 | −16.7% | 46 |
| Month | Average | Change | Change % | Peak |
|---|---|---|---|---|
| November 2024Nov 2024 | 16 | −4 | −18.4% | 52 |
| October 2024Oct 2024 | 20 | −3 | −14.4% | 64 |
| September 2024Sept 2024 | 23 | −2 | −8% | 76 |
| August 2024Aug 2024 | 25 | 0 | −2% | 68 |
| July 2024Jul 2024 | 26 | −3 | −10.9% | 68 |
| June 2024Jun 2024 | 29 | 0 | +1.1% | 81 |
| May 2024May 2024 | 29 | −8 | −21% | 84 |
| April 2024Apr 2024 | 37 | −5 | −11.3% | 101 |
| March 2024Mar 2024 | 41 | −14 | −24.8% | 125 |
| February 2024Feb 2024 | 55 | +13 | +30.8% | 132 |
| January 2024Jan 2024 | 42 | −11 | −20.9% | 128 |
| December 2023Dec 2023 | 53 | −2 | −3% | 196 |
| November 2023Nov 2023 | 54 | −12 | −18.4% | 182 |
| October 2023Oct 2023 | 67 | +5 | +7.2% | 173 |
| September 2023Sept 2023 | 62 | −14 | −18.2% | 172 |
| August 2023Aug 2023 | 76 | +17 | +27.7% | 177 |
| July 2023Jul 2023 | 60 | −11 | −16.1% | 175 |
| June 2023Jun 2023 | 71 | +10 | +17% | 179 |
| May 2023May 2023 | 61 | +3 | +4.5% | 160 |
| April 2023Apr 2023 | 58 | +8 | +17% | 148 |
| March 2023Mar 2023 | 50 | −33 | −39.9% | 154 |
| February 2023Feb 2023 | 82 | +14 | +19.6% | 361 |
| January 2023Jan 2023 | 69 | −10 | −12.5% | 377 |
| December 2022Dec 2022 | 79 | −19 | −19.3% | 589 |
| November 2022Nov 2022 | 98 | −81 | −45.5% | 272 |
| October 2022Oct 2022 | 179 | −134 | −42.9% | 672 |
| September 2022Sept 2022 | 314 | — | — | 1,135 |
Average and peak concurrent players each month, and the change in average players from the month before. Months up to October 2026 are from a licensed historical archive.