Over 20 years ago, Green Ronin Publishing first brought gamers to the world of Aldea with Blue Rose: The Roleplaying Game of Romantic Fantasy. Now it’s time to step into the world of Blue Rose again, and explore the Commonwealth of Aldis as young heroes.

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!)

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

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 dark and whimsical OSR forest crawl adventure zine.

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.

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.

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.

A mind-bending escape room adventure exploring a wizard's manse. Master the rules of the dungeon and use them to your advantage.

A new ancestry for Draw Steel. Tap into your draconic blood to fuel powerful abilities. Earn boons from elder wyrms that grant new draconic features. Transform into a literal dragon.

You're no Hero. You destroy heroes. You are the bane of adventurers and those who seek fortune and glory in dungeons and ruins. Dungeon Dwelling Creatures is a Dungeon Crawl Classics-compatible RPG in which you take on the role of a monster.

Enter a World where Capitalism is King. Then, punch it in the face. Monsters of Murka is a Platinum-Best-Selling trilogy of campaign settings for 5e D&D. We've added hundreds of new spells, items, and monsters, all with that over-the-top Murka flavor!

Serenissima Obscura is a setting guide & modular adventure for Venice in the Magical Renaissance. Face conspiracies, mystical convergences and a realm of unspeakable terrors! Play with 5e, Ars Magica or your favorite system!

Tremendous and inspirational resources for gamemasters! Dungeon Denizens 2 is a huge hardcover with 350+ monsters, How to Write Even Better Adventures has advice from experienced game designers, and there's even more!

A campaign path for levels 0-5 compatible with Dungeon Crawl Classics! Six adventures inspired by the classic GDQ series take the PCs from humble beginnings to fighting the primal forces of chaos and saving their world from certain doom!

A gigantic boxed set packed with a huge 5E adventure path!