20+ projects backed in 2026
A dark and whimsical OSR forest crawl adventure zine.
A new OSE bestiary of ancient horrors! Explore the Qliphoth, demons born from discarded divinity. Includes new spells, lore, and the occult scholars who dare name them. Knowledge is power, but every truth corrupts.
Escape from the labyrinthine prison-hell of Carcerus!
An official OSE supplement of demons, cults, and dark magic.
Fulfilled
The PCs (and various NPCs from the Inn of the Slumbering Drake) are transformed into monsters by Drugila the orc’s botched ritual. They must quest to return themselves to their original form and stop Drugila’s masterplan.
A new level has been discovered beneath the Castle of the Mad Archmage! On the western edge of the 5th level, new corridors have appeared, leading off into unknown regions of the dungeons. An expansion module for Castle of the Mad Archmage.
Vault of the Seven is a mythic dungeon-crawl for the Cypher System, where players seek seven vanished children bearing divine sparks. Inside a shifting ziggurat, they’ll face divine trials, uncover ancient truths, and choose whether to protect the childre
Enhance your Castle Whiterock campaign with two new tie-ins: When Dying Unicorns Dream, a new adventure for DCC & 5E, and The Castle Whiterock Adventurer's Journal, a deluxe system-neutral player companion for chronicling your descent into Whiterock.
Within the White Temple, an extradimensional elf-made prison, you must battle Ramlaat’s supreme daemons and harness their Stones of Power for Law or Chaos.
The Madness of Metronax is a low-level adventure for Dungeon Crawl Classics and 5e that increases ties between Castle Whiterock and nearby Cillamar. And it has magical giant ants!
Witness the Children of Bobugbubilz, driven into the depths by an angry god, claw for the surface... to feed. For 5E and DCC RPG. Compatible with Castle Whiterock from Goodman Games and part of Mega Dungeon Month!
A 5th Edition/Dungeon Crawl Classics Zero-Level horror adventure.
The ultimate mega dungeon accessory to bring unfinished areas to life with over 100 encounters! Plus, stretch goals can add 3 mega tables; Crazy Creatures, Randomized Rooms, and Lavish Loot. All the tools needed quickly craft your own dungeon!
Like your adventures a little WEIRD? Three-eyed goblins, psychic plants, and a carnivorous cauldron (among other things) await you in this Castle Whiterock tie-in adventure for DCC RPG and 5th Edition.
Legendary TTRPG designer Monte Cook, creator of Return to the Temple of Elemental Evil, Ptolus, and more, returns to the megadungeon!
A massive megadungeon boxed set with 30 levels and a year of real-time adventure! DCC or 5E, regular or clamshell edition. Plus gemstone DCC dice!