This Demonic Adventure for the Old School Essentials system takes a party into a small pocket dimension of the hells. (A little Hellraiser and a bit of Silent Hill thrown into the Slaughterhouse sausage!)

Escape from the labyrinthine prison-hell of Carcerus!

The Black Spire Pact is a slipcased pair of PvP adventure books where one player is a mortal sorcerer, the other a demon lord. PvP Gamebooks use a streamlined system built on and fully compatible with Old-School Essentials.

Loud, colorful, and cartoonish art book, showcasing the demonic forces living in their various hells, and the clerics who worship them.

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.

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?

HELLCRAWL is a jumbo sized hexcrawl set in Nethria, the Burning Hell. This infernal module is built for Old-School Essentials and will throw your unfortunate players down into the darkest depths of hell.

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

A massive 26" x 39" full color poster of the Salamander Mines megadungeon

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

A Dark Double Feature designed for use with Shadowdark RPG featuring: Of A Harmonious Nature and Nothing Left To Lose

1980s Grebo mayhem crashes headfirst into end-of-the-millennium psychosis in this late-’90s splatbook for Neon Lords of the Toxic Wasteland. Subculture swagger, dancefloor decay, and radioactive attitude included.

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.

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.

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.

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

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.

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.

VHS: Rule of Three is the third series of VHS: Very Horror Stories, a tabletop RPG delivering three brand-new standalone horror boxes. Solo mode included. Ready to play. All you have to do is press play... and scream!

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.

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!

This 48 pg book features NEW illustrated plates (by C. Aaron Kreader) of each level in Castle Whiterock. Now 5e or DCC judges will have rendered handouts, unique notes from the original designer, and remembrances of the greatest dungeon story ever told!

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!

8 unique modified 20-sided dice gives you new options for critical hits and fumbles! A full dice chain from D3 to D22 & a D36 that doubles as 2D6. Each of these dice offerings is matched with unique new magic items for DCC & 5E.