Vertilla

9 self-contained adventures inspired by Dante's Inferno for the sci-fi horror RPG Mothership. Each circle features unique mechanics and stories. Play as standalone one-shots or link them into a campaign with an overarching meta-plot.

There is a moon that exists across space and time, in two different places at once...

One Hundred Dungeons is a collection of hand-drawn word puzzles where your vocabulary is the only thing standing between you and the exit. It's a word game, a puzzle, an adventure and an escape all on one page. Play digitally or print & play.

When the bricks fall where will you land? Challenge T3TR1_bot in this brick-stacking passport-sized roleplaying game!

My Very Own Forest Spirit is a stroll-playing game inspired by My Neighbor Totoro. Play by yourself or with friends while on a hike or nature walk in this innovative game of magic, imagination, mindfulness and time in nature.

Broadcast strange signals, take twisted calls, and question how much longer you can stay alive in this solo journalling game. Midnight in Jubilation is an urban horror game, perfect for those who prefer tales of a dark descent over a happily ever after.

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.

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

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.

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.

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!)

A dark and whimsical OSR forest crawl adventure zine.

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.

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?

Escape from the labyrinthine prison-hell of Carcerus!

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.

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

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.