Overview

Prepare yourself for an intense psychological experiment in "The Subject: Protocol Zero." Developed and published by Savich18, this first-person simulation plunges players into the role of the inaugural subject for the Null Institute's final phase trials. The core objective is to objectively measure human self-control under extreme conditions, with the player's body serving as the primary variable. You must navigate through four distinct stages, strictly adhering to absolute rules, all while under full monitoring.

Highlights

  • Intense Psychological Horror: Experience a unique blend of psychological horror and simulation, designed to test your mental fortitude.
  • Voice-Controlled Gameplay: The game uniquely incorporates voice control, requiring players to interact and potentially manage their responses through their microphone.
  • Multiplayer Experience: Engage with others in this chilling experiment, adding a layer of unpredictable human interaction to the psychological challenges.

Who It's For

"The Subject: Protocol Zero" is for players who crave deeply immersive and unsettling experiences. Fans of psychological horror, survival horror, and simulation games that push boundaries will find themselves captivated by its unique premise and experimental gameplay mechanics. Those who enjoy titles that utilize unconventional input methods like voice control will also find this a compelling choice.

Game Info

Developed by Savich18 and published by Savich18-Games, "The Subject: Protocol Zero" was released on March 10, 2026. It supports a variety of languages, including English, French, Italian, German, Spanish, Portuguese, Russian, Turkish, and Ukrainian. The game features multiplayer capabilities and Steam Achievements, offering a robust experience for those brave enough to participate in the experiment.