The Cult of Chaos is Chaosium's official Gamemaster program for Game Masters and Keepers running demonstration games and games at events. Members run games at local game shops, events, conventions, or

Download for free! Keeper resources, maps, character sheets, and every player handout for our latest Call of Cthulhu release The Order of the Stone. Print them and use them again and again!A Horror My

We hope that you, your family, and your friends continue to be in good health.Good news! - the Malleus Monstrorum slipcase sets have arrived at our Australian and US Warehouses. We will be making thos

Developed over four years of meticulous research, consultations, and playtesting, The Children of Fear is Lynne Hardy's epic, multi-part campaign for Call of Cthulhu. The scenarios within explore myth

Out Now – the Pendragon Gamemaster Screen Pack! Just as a knight is only as good as their horse, armor, and weapons, so too is a Pendragon campaign only as good as the resources at the disposal of th

From our friends at Pine Box Entertainment, publishers of Doomtown and 7th Sea: City of Five Sails, comes a knightly Tabletop Game set in the chivalrous world of Pendragon. Pendragon: Glory of the Ro

Award-winning game designer Jason Durall has formally joined the design team for Chaosium's new edition of RuneQuest RPG, coming on board as editor of the new core rules, Chaosium's creative director

-- releasing in December 2024 --Cthulhu by Gaslight: Investigator’s GuideAdventure, Mystery, & Horror in the 1890sThe 1880s—Victorian England. Mystery and adventure in fog-shrouded streets and alleywa

Bringing the iconic Pendragon 1st Edition collection back to life! In 1985, after decades of devoted research, Chaosium published Greg Stafford’s Pendragon Roleplaying Game. It ushered in a new era o

Chaosium is pleased to launch the Jonstown Compendium, a new way for independent creators to publish and distribute their own original content set in Greg Stafford's world of Glorantha...Welcome to th

As you would expect, it felt wonderful to have our Khan of Khans Kickstarter get funded within 24 hours, and we did take a few moments to celebrate. Then, the last sentence caught our eye and reminded

Refractions of Glasston, winner of a 2020 ENnies Judge's Spotlight Award, is now available as a premium softcover book at DriveThruRPG.A creative collaboration between Chaosium and the Taylor Universi