A mega-dungeon that supports a full-year campaign. A legendary adventure considered by many to be one of the greatest of all time! Explore a thousand-year-old dungeon mystery waiting to be solved...

We invite you to join the celebration and check out the latest in the city of Gloomhaven. From Gloomhaven: Buttons & Bugs, Gloomhaven: The Role Playing Game, Miniatures of Gloomhaven, Gloomhaven: Second Edition and more, there is something for everyone.

The Codex includes new content to bring different styles and settings to your Monster of the Week games. It’s written by Michael Sands and Marek Golonka, and being developed in partnership with Evil Hat Productions.