- Released
- Platforms
- Last updated
- United States store
- $1.99
274 recorded observations · Latest sample
Latest 50 valid plotted values · UTC. Longer ranges may use aggregated observations; gaps are not zeroes.
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Peak and average use recorded samples · UTC. Months may have partial coverage. Swipe to see gains and averages.
| Month | Peak | Gain | % gain | Average | Avg % gain |
|---|---|---|---|---|---|
| October 2026 | 0 | 0 | — | 0 | — |
GaugeDB’s latest recorded Steam player count for The book by the blue is 0 concurrent players (). Its recorded 24-hour peak is 0 players. The highest count in GaugeDB’s collected history is 0 concurrent players on .
Concurrent Steam players, not daily or monthly active users. Console and other launchers are excluded. Peaks cover GaugeDB’s recorded history.
in this First-person horror game you will be discovering what's going on with missing persons and a corrupt scientist. Find items littered around to access locked doors and secret passages.
Steam store description
| September 2026 | 0 | — | — | 0 | — |