The subject: Protocol zero overview

Overview

The subject: Protocol zero comes from Savich18 and is published by Savich18-Games. It arrived on Steam on Mar 10, 2026, and it sits naturally among Single-player, Steam Achievements, Camera Comfort, Custom Volume Controls, Playable without Timed Input, and Family Sharing. SteamPulse tracks it across Windows and Steam so readers get a quick useful snapshot, not just a wall of numbers.

Players and reviews

The subject: Protocol zero's latest SteamPulse observation recorded 0 players at 22 September 2026 - 12:31:19 UTC, with a tracked peak near 1. This peak is the highest value in the available SteamPulse record and may not include activity before tracking began. Player reaction is 100% positive across 1 reviews.

Language and system requirements

The subject: Protocol zero is available in 10 languages including:

3 regional rating boards including dejus, steam germany, and igrs

Sales, recommendations, and streams

The subject: Protocol zero has no public VGI unit-sales estimate available and has recommendation data pending. Revenue data is not available for this game yet. On Twitch, 0 streamers are live with around 0 total watchers.

The subject: Protocol zero overview details

The subject: Protocol zero combines live player counts with reviews, pricing, platform support, Store metadata, dated player history, media, recent news, and related games.

Steam Store description

Turn on your webcam. Allow access to your microphone. The experiment begins. You have become the first subject in the final phase of the Null Institute Protocol Zero trials. The goal is to objectively measure the limits of human self-control. The reward is first. The method is full monitoring. Your task is to complete four stages, adhering to absolute rules. Your body is the primary variable in this equation. Full tracking system This experience is only possible with an active webcam and microphone. The game analyzes the video stream and audio from your devices in real time. The mechanics are built not on button presses, but on physical inactivity, precise movements, and absolute concentration. The system records blinking, lip movements, silhouette movements, and hand trajectories. Any violation is a critical failure and results in immediate termination of the experiment. You are Subject Zero. You have signed a contract with a foundation renowned for its neurological research. You are the first and key participant. Your codename is Protocol Zero. You are not given the ability to know what came before or what will come after. As the trials progress, through voice instructions and snippets of data, the true scope of the study will be revealed to you, where the subject's resilience is just one of many measurable parameters. Go through four phases, each testing different aspects of your control. Breaking any rule ends the session. Stage 1 The system monitors your blink rate by analyzing the camera image. Your task is to not blink for a set period of time. The sensors wil…

SteamPulse editorial summary

The subject: Protocol zero is listed as a game with $1.99. It supports Windows, belongs to Single-player, Steam Achievements, Camera Comfort, Custom Volume Controls, Playable without Timed Input, and Family Sharing, and is associated with Action, Adventure, Indie, and Simulation. SteamPulse's latest observation records 0 players at 22 September 2026 - 12:31:19 UTC, a tracked peak of 1, and 100% positive reviews.

Highlighted achievements

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.