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

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

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.

“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!

A trilogy of mystery and horror for Weird Heroes of Public Access.

A game about the power of connection & threats from beyond. There is no luck here. Just heart, stamina, and those who fight beside you.

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...

Escape from the labyrinthine prison-hell of Carcerus!

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.

A card-based ttrpg by Matthijs Holter and a homage to South American magical realism. Play a whole campaign with zero prep and watch the characters' lives entangle between the mundane and the fantastic, like in A Hundred Years of Solitude.

Location/mini-adventure set in a jungle village impoverished by a xorn eating their sole trade good — raw gemstones that emerge from a nearby volcano and flow down a river to them. Encounters scaled to accommodate parties of various levels.

Get ready to enter your very own World Dungeon! Play as a familiar face, such as 🧨 Carl, 👑🐈 Donut, 🐊 Florin, 🐐 Prepotente, or build your own unique crawler, complete with a customizable class and race (if you survive to the third floor)!

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.

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.

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.

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

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

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

FLAIL is an old-school, fantasy RPG where spells act up, weapons fall apart, and characters survive mostly through nerve and sheer luck. Designed for people who like single-session dungeons and short campaigns of 10~15 sessions. Low-prep, max play.

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.

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