Submit your questions for a coming AMA: Encyclopedia Cthuliana, the definitive guide to the Cthulhu Mythos. Our host Bridgett Jeffries will be talking with Encyclopedia Cthulhiana author Dan Harms.  

UNVEIL THE SECRETS OF THE LEGEND-HAUNTED CITYCall of Cthulhu: Arkham is the definitive guide to the signature setting of Call of Cthulhu.On the streets of Arkham, the threat of the Cthulhu Mythos is e

We're coming to PAX Unplugged at the Pennsylvania Convention Center, Philadelphia PA, December 6th-8th!We're at booth 3901 in the exhibitor hall. We'll have a full suite of Chaosium releases, includin

Chaosium Unveiled looks at In Liberty's Shadow – A Guide to Case Files in the USA. This is a new sourcebook for Rivers of London the Roleplaying Game, based on the Rivers of London series by Ben Aaron

Here's a prime example of a talented crew of independent Call of Cthulhu creators taking on one of Chaosium's official Call of Cthulhu settings and expanding it dramatically in exciting ways — which c

The secrets of the legend-haunted city will soon be unveiled!The eagerly anticipated Call of Cthulhu: Arkham supplement will be released in full colour hardcover on February 22nd. If you purchase dire

Download for free! – maps and handouts for Call of Cthulhu: Arkham, the definitive guide to the signature setting of Call of Cthulhu. This includes the Player and Keeper Maps of the haunted city, Arkh

  We have a lot in store for you for the first half of 2025!   JANUARY – Jimmy's Last Dance for Rivers of London the Roleplaying GameFEBRUARY – QuestworldsMARCH – Gamemaster's Handbook for Pendrag

Sold out at Gen Con and now on YouTube! Chaosium Presents 'The Calyx, Deepest Blue'. Before a capacity live audience, Keeper Becca Scott guides her fearless investigators: Aabria Iyengar, Saige Ryan,

It is two years since the passing of Chaosium company founder Greg Stafford. As one of the greatest game designers of all time; winner of too many awards to count; and a friend, mentor, guide, and ins

RuneQuest: Weapons & Equipment - Prepare for AdventureAn essential guide to a wide range of items, goods, services, training, magical items, and beasts for RuneQuest players and Game Masters. RuneQues

Write Your First Adventure is open for registration! Starting November 1, join the Storytelling Collective for a month of creating for your favorite tabletop roleplaying game system. Once again, there