Substratum Protocol Solo Bundle
When the interdimensional portal appeared at the Earth’s core, the Substratum Protocol was initiated...
Substratum Protocol Premium Zine
This 80+ page zine contains all the rules and content you need to uncover the apocalyptic mystery at the center of the earth. Play solo or with a group!
Substratum Protocol Expedition Journal Pack
This journal pack contains an Expedition Journal, Personnel Folio, and Team Folio to expand upon who you and your team members are. Document the clues, their location, and the context in which you find them
