A mega-dungeon that supports a full-year campaign. A legendary adventure considered by many to be one of the greatest of all time! Explore a thousand-year-old dungeon mystery waiting to be solved...

Beware of flying cows & the unstoppable Black Knight, this is the officially licensed quest for the Holy Grail!

The original book of old-school RPG traps returns for 5E and DCC RPG! A compendium of catastrophic traps, sinister snares, engines of evil, and deadly devices with with full game stats for a folio of fearful fates.

Nerdbuilding’s Alchemy Generator is a 180+ page compendium, filled with hundreds of ingredients and potion effects, which you can use to create over 400,000 custom potions, concoctions, or poisons, for your next TTRPG adventure!