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Investigate an abandoned Soviet-era building with anomalous properties. As a researcher, you must navigate the eerie, ever-changing corridors to uncover the truth. One wrong move could send you back to the beginning. Explore. Survive. Don’t miss the anomaly.

Player counts over time, as we observed them.
Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology
| Month | Average | Change | Change % | Peak |
|---|---|---|---|---|
| October 2026Oct 2026 (from 24 Oct) | 0 | — | — | 0 |
Average and peak concurrent players each month, and the change in average players from the month before.