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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 OPEN UP SIR! yet.
Concurrent Steam players, not daily or monthly active users. Console and other launchers are excluded. Peaks cover GaugeDB’s recorded history.
Co-op for 2–4 players about firefighters: you take on funny and dangerous calls — rescue, extinguish, and break things.
Steam store description