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Individual prerelease counts require verified game access. GaugeDB can record a count if Steam publishes one in its public chart, or when collection becomes available after release.
No Steam player count has been recorded for Pressure Protocol yet.
Concurrent Steam players, not daily or monthly active users. Console and other launchers are excluded. Peaks cover GaugeDB’s recorded history.
A 1-4 player co-op survival horror game set in a collapsing underwater facility where a relentless creature hunts you and your crew through the dark.
Steam store description