20+ projects backed in 2026
A hardcover collection of 0-level funnel adventures for Dungeon Crawl Classics, Mutant Crawl Classics, and Xcrawl Classics! Plus all the accessories: scratch-off character sheets, "dead" stamps, and gongfarmer glow dice!
The Eye of God is the first adventure in the new Apocalyptic Adventure! product line for MCC RPG (from Explore Dungeons). Designed to easily transition your players from Dungeon Crawl Classics (DCC) RPG to Mutant Crawl Classics (MCC) RPG.
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.
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!
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.
A dark and whimsical OSR forest crawl adventure zine.
Loud, colorful, and cartoonish art book, showcasing the demonic forces living in their various hells, and the clerics who worship them.
An Interdimensional Hell-Market for Old-School Essentials. Life is cheap here...but a good soul will cost you.
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.
The gates of the Abyss have been thrown open! We're bringing you unique wooden miniature demons, dripping with old school style, for OSE Month.
A series of connected adventures starting in our mortal realm and descending into Hell itself.
An official OSE supplement of demons, cults, and dark magic.
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?
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.
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!
The Cavern Club has been overrun by a fearsome four piece. Get down there and exterminate those vermin!
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.
Vault of the Seven is a mythic dungeon-crawl for the Cypher System, where players seek seven vanished children bearing divine sparks. Inside a shifting ziggurat, they’ll face divine trials, uncover ancient truths, and choose whether to protect the childre
Within the White Temple, an extradimensional elf-made prison, you must battle Ramlaat’s supreme daemons and harness their Stones of Power for Law or Chaos.
A massive 26" x 39" full color poster of the Salamander Mines megadungeon