The Outbreak Protocol
Escape the outbreak with friends! A survivor horror multiplayer experience that will allow you to fight hordes of zombies, escape unique scenarios and most important of all... Survive the outbreak!
Last Updated: 9/28/2025
| Developer | Stackpack Games |
| Publisher | Stackpack Games |
| Steam App Id | 3520940 |
The Outbreak Protocol
Escape the outbreak with friends! A survivor horror multiplayer experience that will allow you to fight hordes of zombies, escape unique scenarios and most important of all... Survive the outbreak!
Last Updated: 9/28/2025
- Windows
- Mac
- Linux
About The Outbreak Protocol
The Outbreak Protocol is an Adventure, Indie, Strategy, and Early Access game developed by Stackpack Games. It was released on the Steam Store by Stackpack 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.
According to Steam’s category system, The Outbreak Protocol supports the following features:
- Partial Controller Support
- Co-op
- Multi-player
- Single-player
- Family Sharing
- Online Co-op
Media & Sceenshots
Watch the featured video for The Outbreak Protocol and see the latest screenshots from the Steam Store.
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Frequently Asked Questions
Soures & References
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The Outbreak Protocol data has been sourced from:
- Valve Corporation. (2025, September 28). The Outbreak Protocol on Steam. Steam Store.
- Valve Corporation. (2025, September 28). The Outbreak Protocol. Steam Community Hub.