The World's Largest Dungeon is a 1,600+ page, four-book behemoth megadungeon. Experience the Guinness World Record-winning dungeon crawl like never before - fully updated to 5E of the Worlds Most Popular Roleplaying Game!

A DnD 5e adventure inspired by the horrors under the mountain. 20+ page PDF packed with new creatures, magic items, NPCs, maps, original art, etc. Oh, and a quest where players explore the Rotting Mines of Copperbend. All for $1!