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 World's Most Popular Roleplaying Game!

100 new monsters. 300 new boons and charms. Absorb the abilities of monsters using harvested components to conduct magical rituals and enchant yourself with boons and charms representing the monsters' unique abilities. Compatible with 5e 2014 and 2024.

Unleash your inner monster hunter with this compact guide! Master tactics, lore, and gear for epic hunts.

Explore a megacity on the brink of revolution, where powerful factions, sentient artifacts, and heroic desperation collide. Unlock new subclasses, creatures, and body modifications in this high fantasy 5E campaign setting brimming with cyberpunk grit.

A big book of Silk Road inspired magic items, adventures, monsters & more for D&D 5e. Don't miss out on your Early Bird reward!

Comprehensive monster generation with over 1 billion combinations per deck for any fantasy roleplaying game, writers, and storytellers.

A 5e-compatible collection of intangible rewards for characters; including boons, pacts, titles, trainings, and more

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!