The successor to AEG's award-winning RPG book "Toolbox" and platinum best seller "Ultimate Toolbox" - the World's Largest take on the Ultimate Toolbox is Over 400 pages of the best charts, tables, and seeds of gaming adventure.

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!

Game prep just got easier, and game night just got a whole lot more fun. Get 22 drop-in dungeons with dynamic combat encounters for 5e!