This content requires the base game Protocol on Steam in order to play.

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Release Date:
Nov 29, 2018

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Downloadable Content

This content requires the base game Protocol on Steam in order to play.

Buy Protocol - Digital Artbook

SPECIAL PROMOTION! Offer ends January 27


Buy Protocol - Rock'n'Pixels Edition BUNDLE (?)

Includes 3 items: Protocol, Protocol - Digital Artbook, Protocol - Digital OST


About This Content

The leak happened!
Find out what is behind the development of the Protocol game. You’ll see develepers’ comments, artists’ vision; tearing covers and exposing the most terrible secrets. You’ll see not just perfect promo art, but the raw combat concept-arts. Follow toward the author's thoughts and the whole project’s idea. Learn the secrets of the Protocol world. Attention! It is highly recommended for examination only after you’ve finished playing the game. Secret documents, wet fantasies and nightmares; 163 pages of exclusive content collected manually at the last moment. This information was worth our agents’ lives! But the mischief managed!

System Requirements

    • Storage: 400 MB available space
    • Storage: 400 MB available space

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