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 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!)

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 dark and whimsical OSR forest crawl adventure zine.

Escape from the labyrinthine prison-hell of Carcerus!

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

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...

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.

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.

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

A zinepack of adventure modules for Old-School Essentials.

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.

“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!

Last Sabbath, the award-winning masterless rule-light RPG is back with its most complete version, bringing together restored materials that were previously unavailable, and Lust Sabbath, a new standalone companion game for mature players!

A cinematic, tactical TTRPG that will make you feel like a badass, shonen anime character. You play as Operatives from the Devil Division, kicking the piss out of grotesque Devils and Monsters all over 199X Tokyo. Detect. Detain. Destroy.

A project from the original creative team of SAD SPACE COWBOY RPG Orbital Blues, featuring a new book about the criminal scum of both the corporate and the outlaw worlds.

Break the Speed of Sad with this standalone racing supplement for Orbital Blues.

The forge of fantasy role playing, Gary Gygax's legendary dungeon and its environs. Here begins the journey into depths never before reached.

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.

A 5e-compatible setting guide and full adventure book based around mana, anti-magic, psionics, and ethereal chronomancy, plus much more!

From the creators of The Legacy of Cthulhu and The Vampire: Alone in the Darkness comes the highly anticipated next chapters of their Solo RPG series, offering a fresh take on horror icons through a fierce battle for survival and dominance.

Explore the galaxy of the Astral Union with your friends as you help make space a peaceful place. Pilot your mech companions around the stars together in this lo-fi Multiplayer TTRPG. A follow up to the ION Heart Solo RPG.