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The Subject: Protocol Zero

PC (Microsoft Windows)

Release Date: March 10, 2026
Genres: Simulator, Adventure, Indie, Puzzle
Themes: Action, Horror
Game Type: Main game
Game Modes: Single-player
Player Perspective: First person
Alternate Titles: The Subject Protocol Zero.exe

Overview

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.