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!

“All the grisly bits wot weren’t enuff on their own” A true expansion to the Swyvers RPG. More city generator tools, more systems, more grit, more grub, MORE SWYVERS!

Wytch Mountain is a fast, rules-light pocket RPG of covens, curses, and occult power. Built for quick play with simple mechanics, it delivers eerie folk horror and witchcraft in a form that’s easy to learn and dangerous to master.

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

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.

Escape from the labyrinthine prison-hell of Carcerus!

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

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

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

A zinepack of adventure modules for Old-School Essentials.

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 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 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 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.

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!)

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.

A 54 card set of TROIKA themed, traditional playing cards rendered in lush watercolour by Shuyi Zhang.

Eduardo Mazzitelli and Enrique Alcatena's classic science-fantasy comic series is being translated into English and translated into the TROIKA! role-playing game system. Two translations, two books, one campaign.

Stay Frosty is an OSR game of future marines versus whatever the universe can throw at them. Play games in the style of your favourite military sci-fi movies and video games.

Experience fantascience roleplaying at the end of time. Escape the end of history. The eternal civilization is perfect. So say the gods, the machines. Will you defy the endless circle of awakening and forgetting? Can you kick a hole through the sky?