The Subject: Protocol Zero
2026· Puzzle, Simulator, Adventure · PC
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Turn on your camera. The Kessler Foundation 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.
Screenshots & Media
Game Details
Release
Platforms PC (Microsoft Windows)
Steam Deck Unknown
OS Support Windows
Game Modes Single player
English: Audio, Interface, Subtitles
French: Interface, Subtitles
German: Interface, Subtitles
Italian: Interface, Subtitles
Portuguese (Portugal): Interface, Subtitles
Russian: Interface, Subtitles
Spanish (Spain): Interface, Subtitles
Turkish: Interface, Subtitles
Ukrainian: Interface, Subtitles
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