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!

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...

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

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

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!

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

Hunt, climb and slay colossal Titans in TITANBOUND, designed for use with Shadowdark RPG. New kaiju-slaying classes, magic, gear and ancestries will help you bring down the biggest monsters ever imagined!

Druskara is a brutal sandbox setting made for use with Shadowdark where the world evolves with or without you and your choices reshape the realm.

An alternative psionics ruleset designed for old-school games, with an emphasis on ease of play over tracking points.

Righteous Vow Vol. 2: The Whispers of Minh is a third party adventure zine compatible with Shadowdark RPG. This project will help us to fully fund the creation and production of Righteous Vow, and get new zines printed for you to enjoy.