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.
Last Updated: 3/17/2026
| Steam Price | $1.99 |
| Release Date | 3/10/2026 |
| Developer | Savich18 |
| Publisher | Savich18-Games |
| Steam App Id | 4287530 |
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.
Last Updated: 3/17/2026
- Windows
- Mac
- Linux
About The subject: Protocol zero
The subject: Protocol zero is a Simulation, Indie, Adventure, and Action game developed by Savich18. On 3/10/2026, it was released on the Steam Store by Savich18-Games.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
It also supports 9 languanges in-game including English, French, Italian, German, and Spanish (Spain). Each language comes with varying levels of support for the in-game interface, audio, and fully translated subtitles.
According to Steam’s category system, The subject: Protocol zero supports the following features:
- Custom Volume Controls
- Family Sharing
- Single-player
- Steam Achievements
- Camera Comfort
- Playable without Timed Input
From the Steam community, The subject: Protocol zero has been tagged with the following user tags:
- Survival Horror
- Psychological
- Dark
- Short
- Puzzle
- Walking Simulator
- Realistic
- 3D
- Psychological Horror
- First-Person
- Perma Death
- Simulation
- Action-Adventure
- Horror
- Voice Control
- PvE
- Indie
- Action
- Adventure
- Singleplayer
Media & Sceenshots
Watch the featured video for The subject: Protocol zero and see the latest screenshots from the Steam Store.
Related Packages
The subject: Protocol zero is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| The subject: Protocol zero | $2.54 | View |
Supported Languages and Localizations
The subject: Protocol zero is available in 9 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| French | Yes | No | Yes |
| Italian | Yes | No | Yes |
| German | Yes | No | Yes |
| Spanish (Spain) | Yes | No | Yes |
| Portuguese | Yes | No | Yes |
| Russian | Yes | No | Yes |
| Turkish | Yes | No | Yes |
| Ukrainian | Yes | No | Yes |
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Find a new game to play just like The subject: Protocol zero through our curated lists. Steambase uses Steam's User Tag and Genre system (and other game stats) to curate a list of the best and most loved games similar to The subject: Protocol zero.
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Soures & References
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The subject: Protocol zero data has been sourced from:
- Valve Corporation. (2026, March 17). The subject: Protocol zero on Steam. Steam Store.
- Valve Corporation. (2026, March 17). The subject: Protocol zero. Steam Community Hub.
- Savich18. (2026, January 10). The subject: Protocol zero. The subject: Protocol zero.