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

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.

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

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

Screaming Metal: Vector Soul is a mecha ttrpg about toxic lesbians piloting living machines for exorbitant amounts of money so they can live lavish lifestyles before being torn to shreds by the poisonous arms of hyperspace. Solo or competitive~