To commemorate Call of Cthulhu's 40th birthday (today!), our Keeper Tips book is a gathering of collected wisdom for running the game.Tips, essays, and contributions from experienced and diverse Call

"Call of Cthulhu is all about the story. The game thrives on killer openings, diabolical plot twists and satisfying endings. Join the unholy trio of James Lowder (Chaosium fiction editor), Rick Meints

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

This year marks Chaosium’s 50th anniversary, and what better way to celebrate than by inviting you to a hauntingly immersive experience? In collaboration with our friends The Game Theatre, we're prou

Conventions are coming up thick and fast between now and the end of March, and we're looking for GMs, especially for Call of Cthulhu and RuneQuest - can you help?ArcanaconMelbourne, Australia - Januar

The 'Unnatural Selections' series is our regular round up of notable Chaosium reviews worth a look.Here's what purchasers have said about these recent independent Call of Cthulhu releases in the Miska

Call of Cthulhu is coming to the Ballarat Heritage Festival, Thursday May 25th. Come in person or watch online: this unforgettable theatrical experience is free!This unique event by the award-winning 

After a successful first year in 2020, Gen Con Online is back in 2021, and Chaosium is taking part again too, with 80 online TTRPG games to choose from. Call of Cthulhu, RuneQuest, Pendragon, and Ques

By Mark Morrison I had a long sleepless night in 1982: I’d just read RuneQuest after playing it with my friend Mark Holsworth and it was a much, much better game than Advanced Dungeons & Dragons. But

The Sky will fall in Poland, 1922... Join the Ain't Slayed Nobody crew crew playing The Professor, The Student, The Geologist and The Journalist, as maestro Call of Cthulhu Keeper Mark Morrison (Horro

  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 Jonstown Compendium at DriveThruRPG is our thriving community content platform for RPG material set in Greg Stafford's mythic world of Glorantha. New content is being added every week, with more a