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Wake up in a dark underground chamber with no memory of why you are here. CHAMBER 13 is an atmospheric incremental game where you smash rocks, earn money, and buy upgrades to break free!

Player counts over time, as we observed them.
Source: Steam Web API, ISteamUserStats/GetNumberOfCurrentPlayers. Full methodology
| Month | Average | Change | Change % | Peak |
|---|---|---|---|---|
| October 2026Oct 2026 (so far) (from 27 Oct) | 0 | — | — | 0 |
Average and peak concurrent players each month, and the change in average players from the month before.