Psychological HorrorHorrorSurvival HorrorSimulationVoice ControlPsychologicalFirst-Person3D
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
- Release date
- March 10, 2026
- Platforms
- Windows
- AppID
- 4287530
Is anyone still playing The subject: Protocol zero?
Are people playing it now?
We don't have player counts for this game yet.
Which languages?
Available in 10 languages. Full audio in 1 of them.
What do players say?
Not enough reviews yet.
How much is it in the United States store?
$1.99, not on sale right now.
Playing now
No data
24h peak
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Reviews
No data
Price
$1.99
Recent news
No news in the last 30 days.
Language support
English, French, Italian, German, Spanish, European Portuguese, Russian, Turkish, Ukrainian
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