Christian Southwick

A street-by-street, door-by-door gazetteer of the Troikan borough of Ripplegate with spider banks, fire cults, population adjusters, and hundreds of other small businesses all mapped and packed with stats, spells, and secrets for your Troika games.

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

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.

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.

A massive megadungeon boxed set with 30 levels and a year of real-time adventure! DCC or 5E, regular or clamshell edition. Plus gemstone DCC dice!

It’s time to explore the dank – and dark! – dungeons of your imagination. Designed primarily for one-shot sessions, Dank & Dark is built on the skeletal framework of Nate Treme’s excellent Tunnel Goons RPG.

The City State of the Invincible Overlord is an epic collection of campaign resources for both 5e and DCC RPG. More than 800 pages of material, multiple poster maps, and a city’s worth of gaming!

The 2006 retro-clone of first edition AD&D, rewritten and reorganized for 2025! OSRIC 3 is easier to learn, with more examples of play. This is the beginning of a new product line for Mythmere Games, to include adventure modules and much more!

The Ghosts of Zoazanna Mountain is a module for OSE, written and lavishly illustrated by Tuomas Vauhkonen. Do you dare discover the secrets of Zoazanna?

Brand new 'hex-n-screen' setting compatible with Undying Sands, Bottled Sea and Hexcrawl Toolbox. An icescape wasteland in the freezing Norths, dotted with crumbling ruins, temples of old and new, and formidable beings bound in the permafrost.

Experience fantascience roleplaying at the end of time. Escape the end of history. The eternal civilization is perfect. So say the gods, the machines. Will you defy the endless circle of awakening and forgetting? Can you kick a hole through the sky?

A mega-dungeon that supports a full-year campaign. A legendary adventure considered by many to be one of the greatest of all time! Explore a thousand-year-old dungeon mystery waiting to be solved...

The Lord of the Rings meets The Muppets in this lighthearted fantasy tabletop roleplaying game! Land of Eem is packed with simple rules and resources that encourage players to be creative and make GMing easy.