The subject: Protocol zero Demo

Recorded Steam activity

GaugeDB’s latest recorded Steam player count for The subject: Protocol zero Demo is 0 concurrent players (24 Oct 2026, 03:19). Its recorded 24-hour peak is 0 players. The highest count in GaugeDB’s collected history is 0 concurrent players on 24 Oct 2026.

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

Turn on your camera. The Null Institute is paying for your pain. The game uses your webcam and microphone, turning the room into a lab. Complete four stages: from the blink ban to the "Green Light, Red Light" game. Money or sanity? Be the first to complete Protocol Zero. If you dare.

Steam store description