World’s Largest Dungeon Returns

What is the World’s Largest Dungeon?

Remastered, updated, and with all-new content!

Experience the Guinness World Record winning dungeon crawl like never before! Fully updated to 5E and the upcoming edition of the World’s Most Popular Roleplaying Game!

Relive the most expansive dungeon ever published or delve its depths for the first time.

A behemoth adventure unlike any other:

  • Over 1,600 Original Encounters + NEW Secret Door Encounters
  • Every Monster in the SRD + NEW Boss Miniatures 
  • 16 poster-sized maps + NEW Interior Detail Maps
  • 840+ pages of fantasy entertainment + NEW Stretch Goal Content

Originally crafted by industry luminaries like Jim Pinto (Protocol Games), Robert J. Schwalb (4th Ed PHB, A Song of Ice and Fire RPG, Warhammer Fantasy, Shadow of the Demon Lord, Shadow of the Weird Wizard), Richard Farrese (Assassin’s Creed, World of Warcraft, Legend of the Five Rings), Dana DeVries (7th Sea), Patrick Kapera (Spycraft), and more!*