As part of our 50th anniversary celebrations Chaosium President Rick Meints is attending Cthulhu in a Castle, brand-new three-day Call of Cthulhu RPG vacation event—set within the eerily atmospheric

On the Australia Day weekend (24-26 Jan 2026) Chaosium will be back in the national capital once again for Can Con, a long-standing event in the Australian convention schedule. As part of the Tableto

Why back the 7th Sea 3rd Edition Kickstarter, currently underway by our friends at Studio Agate? Here's what EN World says: In 2016, the second edition of 7th Sea was the first ever million dollar TT

-- 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

Mark Morrison, author of such Call of Cthulhu masterpieces as Horror on the Orient Express, Terror Australis, and Reign of Terror, invites you to join him a celebration of the game's 40th birthday on

Leading with a new modern scenario by the creators of the Platinum best seller Viral, here's an amazingly diverse array of new releases on the Miskatonic Repository, Chaosium's platform for independen

Lynne Hardy's Scritch Scratch is a modern-day Call of Cthulhu scenario for two to six players. It is now available from Chaosium.com in three formats: Softcover (US, UK, EU, AUS, CAN), price includes

These are the Aquelarre and Würm RPG titles available at special prices in our 'Stay In and Game' Warehouse Sale:Aquelarre RPG - includes PDFAquelarre Core Rules - Hardcover - $59.99 $49.99 (UK)Aquela

  This is the free 52 page handouts pack for the Cthulhu by Gaslight Keepers' Guide containing pregen characters and maps for use with the book. Print them and use them again and again! Mystery & Hor

The first book in our 'Lands of RuneQuest' series, Dragon Pass, has been nominated for Best Setting in the 2025 ENNIES Awards. All up Chaosium creators have received nine nominations across six categ

For the last six years Chaosium’s fearless players on the award-winning Stream of Chaos have faced the horrors of the Cthulhu mythos, the mysteries of the Rivers of London, the rebel kings of Arthuri

"The Arthurian legend holds a different significance for us entering the twenty-first century than it held for Chrétien, for Malory, for the authors of the versions called the French Vulgate…. No dou