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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 Bunker Protocol yet.
Concurrent Steam players, not daily or monthly active users. Console and other launchers are excluded. Peaks cover GaugeDB’s recorded history.
Bunker Protocol is a cooperative survival horror game set in a frozen crater, where exploration, teamwork, and limited resources decide who makes it back alive.
Steam store description