| Poll | Players |
|---|---|
| 12:43 UTC | 2,730 |
| 09:18 UTC | 2,195 |
| 05:17 UTC | 2,277 |
| 01:16 UTC | 2,519 |
| 30 Oct, 21:16 UTC | 2,586 |
| 30 Oct, 17:15 UTC | 2,815 |
| 30 Oct, 13:14 UTC | 2,567 |
| 30 Oct, 09:13 UTC | 1,765 |
| 30 Oct, 08:59 UTC | 1,765 |
| 30 Oct, 04:58 UTC | 2,023 |
| 30 Oct, 00:57 UTC | 2,490 |
| 29 Oct, 20:57 UTC | 2,730 |
| 29 Oct, 16:57 UTC | 2,724 |
| 29 Oct, 16:13 UTC | 2,723 |
| 29 Oct, 15:14 UTC | 2,811 |
Player counts over time, as we observed them.
Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology
SULFUR is a modern old-school action-adventure: Outsmart enemies, find treasure, improve weapons, harness powers. Delve deeper, find answers, make it end.

| Month | Average | Change | Change % | Peak |
|---|---|---|---|---|
| October 2026Oct 2026 (so far) (from 21 Oct) | 1,856 | +901 | +94.3% | 2,899 |
| September 2026Sept 2026 | 955 | +269 | +39.3% | 2,093 |
| August 2026Aug 2026 | 686 | −269 | −28.1% | 1,931 |
| July 2026Jul 2026 | 955 | −8 | −0.9% | 1,929 |
| June 2026Jun 2026 | 963 | +402 | +71.7% | 1,896 |
| May 2026May 2026 | 561 | −46 | −7.5% | 1,067 |
| April 2026Apr 2026 | 607 | −97 | −13.8% | 1,356 |
| March 2026Mar 2026 | 703 | +237 | +51% | 1,204 |
| February 2026Feb 2026 | 466 | −228 | −32.8% | 849 |
| January 2026Jan 2026 | 694 | −177 | −20.3% | 1,208 |
| December 2025Dec 2025 | 871 | +484 | +125% | 1,562 |
| November 2025Nov 2025 | 387 | −37 | −8.8% | 715 |
| October 2025Oct 2025 | 424 | −52 | −10.8% | 744 |
| September 2025Sept 2025 | 476 | +196 | +70% | 1,065 |
| August 2025Aug 2025 | 280 | −287 | −50.6% | 545 |
| July 2025Jul 2025 | 567 | +215 | +61.3% | 1,012 |
| June 2025Jun 2025 | 352 | −9 | −2.5% | 867 |
| May 2025May 2025 | 360 | −45 | −11% | 848 |
| April 2025Apr 2025 | 405 | +49 | +13.8% | 859 |
| March 2025Mar 2025 | 356 | +29 | +8.7% | 982 |
| February 2025Feb 2025 | 328 | +2 | +0.7% | 738 |
| January 2025Jan 2025 | 325 | −142 | −30.5% | 661 |
| December 2024Dec 2024 | 468 | −517 | −52.5% | 924 |
| November 2024Nov 2024 | 985 | — | — | 2,555 |
Average and peak concurrent players each month, and the change in average players from the month before. Months before October 2026 are from a licensed historical archive.
Patch Notes 1.0.2 (31 Oct 2026): Players peaked at 1.4× the week before's average. Since it came out, players averaged 44% more than the week before.
| Update | Peak After | Change |
|---|---|---|
| Patch Notes 1.0.231 Oct 2026 · 0 of 7 days so far | 2,730 (1.4×) | +44% |
| Patch Notes 1.0.129 Oct 2026 · week before: 6.9 of 7 days; 1.9 of 7 days so far; next update 2 days later | 2,815 (1.7×) | +47% |
Average players over the 7 days before and after each update post, and the most at once in the week after. Updates since we started counting this game’s players. How we count