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.

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!

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 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 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.

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

The second edition of Vaults of Vaarn, the acclaimed science-fantasy adventure game.

100 new monsters. 300 new boons and charms. Absorb the abilities of monsters using harvested components to conduct magical rituals and enchant yourself with boons and charms representing the monsters' unique abilities. Compatible with 5e 2014 and 2024.