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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 Boost and Zombies yet.
Concurrent Steam players, not daily or monthly active users. Console and other launchers are excluded. Peaks cover GaugeDB’s recorded history.
A first-person roguelite survivor-like zombie shooter. Play co-op or bring AI allies, pick from 20+ boosts, upgrade your guns until they're frankly irresponsible and unlock new characters to play or fight beside you. The horde won't thin itself.
Steam store description