Quantum Chess

Recorded Steam activity

GaugeDB’s latest recorded Steam player count for Quantum Chess is 0 concurrent players (19 Oct 2026, 06:36). Its recorded 24-hour peak is 1 players. The highest count in GaugeDB’s collected history is 2 concurrent players on 10 Sep 2026.

Concurrent Steam players, not daily or monthly active users. Console and other launchers are excluded. Peaks cover GaugeDB’s recorded history.

The game where Paul Rudd beat Stephen Hawking. Chess where a piece can stand on two squares at once. Split, entangle and measure your way to checkmate. Owning it on Steam unlocks Cloud Chamber, a theme where every move leaves a vapor trail. The Remaster is free for owners of the original.

Steam store description