New Gamemaster Month is the annual month-long seminar in the form of twice-weekly posts, guiding prospective GMs up to and through their first game. Its organised by our friends at Monte Cook Games an

The definitive guide to the rotting seaport town—one of the most iconic settings for Call of Cthulhu. A Sandbox Campaign Setting An essential resource for Innsmouth-based scenarios as well as campai

We're delighted that four Chaosium titles have been announced as nominees in the 2026 Origins Awards. Congratulations to the creators involved in these works! Age of Vikings (Pedro Ziviani) – Best R

It's week three of New Gamemaster Month, and if you’re just jumping in, don’t fret—it’s not too late. You have a bit of catching up to do, but nothing you can’t handle. This is the annual month-long s

We've added a Print-On-Demand (POD) option to five more Call of Cthulhu Classic titles at DriveThruRPG:Secrets of Tibet (168 page softcover) - this sourcebook features details about its history, cultu

Chaosium is excited that a classic Call of Cthulhu scenario — Keith Herber's The Fungi From Yuggoth — has been adapted into a 1930s style radio drama by Dark Adventure Radio Theatre! No doubt the late

The Chaosium team including Rick, Neil, Jeff, Susan and Jason will be at the Internationale Spieltage SPIEL '17 at Essen from October 26-29. Come see the team at Hall 6 D126.Stock ListThe following En

Have you thought about GMing—maybe always wanted to give it a shot—but haven’t quite taken the plunge? What if we told you that by the first week in February, you could be an honest-to-goodness GM—and

Our friends at Roll20 are making the Dynamic Lighting feature available to ALL users for the next 10 days!Dynamic lighting adds a whole new layer of horror and suspense to Call of Cthulhu games - so w

It's week three of New Gamemaster Month, and if you’re just jumping in, don’t fret—it’s not too late. You have a bit of catching up to do, but nothing you can’t handle. This is the annual month-long s

Have you thought about GMing—maybe always wanted to give it a shot—but haven’t quite taken the plunge? What if we told you that by the first week in February, you could be an honest-to-goodness GM—and

Golden Goblin Press to produce "Cthulhu Invictus" Ancient Roman-era line of Call of Cthulhu supplementsChaosium today announced a new licensing arrangement with Golden Goblin Press for "Cthulhu Invict