The Eye of God is the first adventure in the new Apocalyptic Adventure! product line for MCC RPG (from Explore Dungeons). Designed to easily transition your players from Dungeon Crawl Classics (DCC) RPG to Mutant Crawl Classics (MCC) RPG.

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.

A low-level adventure set in the plagued wilderness and abandoned mines of a crumbling dwarven mining town. Demon-hunters march in force, strange beasts stalk the woods, and cultists dig for something still buried in the silver mine...

A zinepack of adventure modules for Old-School Essentials.

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!)

An insidious island adventure for 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.

A series of connected adventures starting in our mortal realm and descending into Hell itself.

An Interdimensional Hell-Market for Old-School Essentials. Life is cheap here...but a good soul will cost you.

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.

A doomed starship warps through the abyss and crashes into a sword-and-sorcery world, unleashing cyborg demons and alien tech. Classic science-fantasy meets 90s-inspired radness as high-level heroes face the forces of chaos in the hell-corrupted wreck.

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.

A dark and whimsical OSR forest crawl adventure zine.

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!

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.

Bestial Hordes is a system agnostic beastman and mutant warband generator for use with your favorite OSR tabletop games and hobbies. Roll up unique and disgustingly diabolical foes for your ongoing campaigns, adventures and scenarios!

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.

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 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!

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!

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