The subject: Protocol zero

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.

Developer: Savich18. Publisher: Savich18-Games.

Tags: Psychological Horror, Horror, Survival Horror, Simulation.

Price: $0.69 (was $1.99, 65% off).

Released 2026-03-10.

The subject: Protocol zero on Game Goose · Steam store page

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