James Aaron Stone

From an empire’s ashes arise cruel warlords, savage hordes, and man-eating giants—all seeking the cosmic steel to become like gods—in this pulp sword & sorcery mega-adventure for Old-School Essentials.

MCDM‘s sophomore album featuring: better dungeon crawling, overland travel, a quaint town, the goat, and a lot of adventurers whose ambitions often exceed their skill.

Forged in blood by Professor DM and Roll For Combat, with contributions from Brandon Gillam, this is not another safe fantasy game. This is steel. Fire. Consequence.

“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 zinepack of adventure modules for Old-School Essentials.

Escape from the labyrinthine prison-hell of Carcerus!

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.

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

Blades ’68 is an official supplement for Blades in the Dark, moving the timeline forward 100 years to the swinging 60s.

"We watched Cthrion Uroniziir try to reduce the timescape into one singular universe, wiping out reality as we know it. She was defeated, and we see her cage every day."

Mausritter: Junk City is the new official campaign for everyone's favourite mice game.

PROSPERO'S DREAM is the new campaign setting for the Mothership Sci-Fi Horror RPG. It expands and augments the content in the award-winning module, A Pound of Flesh. The boxed set contains three zines, warden's tools, and so much more.

The second edition of Vaults of Vaarn, the acclaimed science-fantasy adventure game.

Expand the world of Cloud Empress with three evocative new zines. Cloud Empress is the Nausicaa-inspired Ennie-award-winning ecological science-fantasy tabletop roleplaying game based on Mothership 1E's Panic Engine.

A hardcover toolkit for building your own bounty hunting campaign in the Mothership Sci-Fi Horror RPG.

Whether you’re a group of local heroes sent to investigate mysterious goings-on in the nearby haunted wood, or famous mercenaries plotting and scheming in the big city, the MCDM RPG makes building adventures and fighting monsters fun.

The original book of old-school RPG traps returns for 5E and DCC RPG! A compendium of catastrophic traps, sinister snares, engines of evil, and deadly devices with with full game stats for a folio of fearful fates.