New classes, curses, and monsters for Vampire Hunting campaigns for the Shadowdark RPG

Loot the Company Vault (or unleash its horrors) in this zine-sized expansion/sequel.

A zinepack of adventure modules for Old-School Essentials.

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?

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...

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.

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!

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

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.

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.

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

Issue 2 of the Alpha Star Magazine! The quarterly magazine with sci-fi content compatible with the core D&D 5E and Level Up: Advanced 5E.

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

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!

Coven & Crucible is a tabletop roleplaying game of modern day witchcraft and magic. Imagine, if you will, that The Last Witch Hunter and the John Wick movies got together to make a really pretty baby, it would be this game.

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.

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 5th Edition/Dungeon Crawl Classics Zero-Level horror adventure.

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.