Escape from the labyrinthine prison-hell of Carcerus!

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!)

An insidious island adventure for Old School Essentials.

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.

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

“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!

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

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.

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.

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.

Legendary TTRPG designer Monte Cook, creator of Return to the Temple of Elemental Evil, Ptolus, and more, returns to the megadungeon!

The real dungeon was the hobby we made along the way. Dungeon crawl your way through half a century of RPG history in this full-scale megadungeon for the DIE RPG by Gareth Hanrahan.

A new level has been discovered beneath the Castle of the Mad Archmage! On the western edge of the 5th level, new corridors have appeared, leading off into unknown regions of the dungeons. An expansion module for Castle of the Mad Archmage.

A stormy night murder mystery tabletop RPG inspired by Cluedo and Brindlewood Bay, played without dice or a GM. Uncover secrets, play your suspects, and solve the crime together!

A shore leave location with new cybermods, recovery mechanics, black market items + more

Blades ’68 is an official supplement for Blades in the Dark, moving the timeline forward 100 years to the swinging 60s.

An old-school style dungeon Zine for OSE (B/X, AD&D), D&D 5e and DCC TTRPGs, inspired by ancient Rome, The Mouth of Mentius is like Caverns of Thracia crossed with Barsoom: a 73-room tabletop roleplaying mini-campaign of classic myth and weird fantasy

The Green Ghost's oxygen smuggling ring deals in the shadows beneath the roaring fans and events of Beach Breeze Rally DX, an arcade racing game set in a virtual slickworld. Race and join the leaderboard, or investigate and topple the operation.

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

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

A collection of pamphlet supplements for the modern horror role-playing game Liminal Horror. The Liminal Grimoire includes multiple adventures as well as a solo-play toolset.

A modern horror RPG sparkbook inspired by the lyrics of Radiohead. Discover twisted characters, existential horrors, strange environments, signs of the end times, and more. Just roll three six-sided dice to unlock new terrors.

LIMINAL HORROR: Deluxe Edition is the definitive version of the world's greatest horror RPG. Newly revised, expanded, and available in two beautiful hardcover books.

New adventures from The Magnus Archives creator Jonathan Sims—plus new lore and new options for GMs and players. With a complete corebook FREE with every pledge, it's a great jumping-on point if you're new to the game!