Nearly 1,000,000 words and 100 maps of adventure in the largest dungeon gaming has ever known!

The dungeon adventure has been a staple of gaming since its earliest days. Now, AEG brings you the ultimate incarnation of this adventure classic: The World's Largest Dungeon! This colossal epic will take characters from neophyte dungeon crawling all the way to epic levels. Miles of passageways - filling a map the size of your living room - hold enough danger and excitement for years of adventuring. Every monster in the monster manual is included within its confines, all gathered into logical ecologies and never before seen diabolical hierarchies and encounters. If your group is serious enough to fight its way to the top, The World's Largest Dungeon is a challenge you can't pass up!

Every monster in the OGL is included.
Hundreds of monsters, NPCs, and random encounters.
Unique encounters with tactics and advice for keeping the PCs on their toes.
Beginners to advanced players.
The largest d20 book ever made!