It is over 800 pages long and was produced by Alderac Entertainment Group in 2004.
It also includes 16 full-color poster maps, making its single tome one of the largest campaign settings in one product.
The players cannot leave the dungeon the way they entered because the entrance uses a one-way wall of force effect.
The dungeon contains examples of every type of monster in the System Reference Document[1] as well as a few new ones.
[citation needed] The reviewer from the online second volume of Pyramid stated that "Alderac Entertainment Group's magnum opus, The World's Largest Dungeon, is nothing if not ambitious.