Loading game…
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 Mass Matter yet.
Concurrent Steam players, not daily or monthly active users. Console and other launchers are excluded. Peaks cover GaugeDB’s recorded history.
Mass Matter is a 3D puzzle FPS where you control gravity to navigate and solve challenges. Walk on walls, shift perspectives, and manipulate the environment itself. Explore a surreal virtual world and master gravity to uncover its secrets!
Steam store description