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.

A city-crawl through a profane realm of the subtle divines of Vedic myth, created in homage to City-State of the Invincible Overlord and serving as a meta-commentary on syncretism, hedonism, and orientalist tropes on India across the history of gaming.

Will you poor souls become heroes, or will all Hell break loose in the final installment of Afterthought Committee's Level-0 series for Old-School Essentials?

An official OSE supplement of demons, cults, and dark magic.

Delve the depths of evil with new demons and devils for your Old-School Essentials game, each with full stats and a small adventure showcasing these infernal entities. Perfect for Referees who need a few fiends in low places!

Gilmoril is a tabletop role-playing game combining the monster hunting, mystery, and aesthetics of The Witcher and Bloodborne, with a few twists of its own. Join the Venerer in the fight against the terrifying Technocyte Plague!

Survive in a world no longer meant for you, heavily inspired by American Gods and Anansi Boys. Play as Young Gods, the reincarnations of ancient deities, struggling in an urban hell created by the New Gods.

Spawns of the Mindrender is a massive, 600-page D&D 2014 and 2024 5e-compatible dark fantasy adventure and campaign setting for levels 11-15 with extensive player options.

Get ready to enter your very own World Dungeon! Play as a familiar face, such as 🧨 Carl, 👑🐈 Donut, 🐊 Florin, 🐐 Prepotente, or build your own unique crawler, complete with a customizable class and race (if you survive to the third floor)!

A Fistful of Stars is an adventure/setting book for Orbital Blues where your outlaws will explore the hottest new way to travel: an interstellar trainline connecting multiple star systems.

Grim Hollow: Lairs of Etharis returns in a premium hardcover! 20 5.5E adventures (levels 1-20), each a perfect one-shot with its own map and encounters.

This Castle Whiterock expansion brings the party into a forest dominated by lycanthropes. Can the PCs survive long enough to find their way back? Included is a DCC rules expansion to handle characters with lycanthropy.

Does your party want some great loot? Look no further than the heirlooms and lore of steampunk gnomes, as your party helps reclaim a merchant's long-lost heritage? In conjunction with Megadungeon Month: Steamlander, a DCC - Castle Whiterock adventure.

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 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.

Explore the mysteries of a time-traveling tower under siege in this mind-bending adventure! Compatible with Dungeon Crawl Classics and 5E.

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!

The real dungeon was the hobby we made along the way. Dungeon crawl your way through half a century of RPG history in this full-scale megadungeon for the DIE RPG by Gareth Hanrahan.

A 200+ page hardcover megadungeon tie-in with Goodman Games' Castle Whiterock. 5 hellish levels, 90 new monsters, new spells, patrons and treasure. Discover the secret history of Whiterock and reveal the world-destroying agenda behind it!

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.

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!

Sitting on the grand subterranean river, the Underflow, lies the Hobgoblin Market, a notorious hub of merchants, spies, saloons, and truffalos. This PDF zine details a great addition to your Cypher fantasy megadungeon.

Legendary TTRPG designer Monte Cook, creator of Return to the Temple of Elemental Evil, Ptolus, and more, returns to the megadungeon!