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Roll20Con returns for a SIXTH year of gaming for charity! Join Roll20Con from November 12-14th for three days of friends and fun, all to help Code2040 build a more equitable tech industry! Chaosium is pleased to be an official sponsor of Roll20 Con.Check out the program and stream schedule … read more

Here's a feast of Miskatonic Repository releases to take you into November!MANOS: The Fingers of FateAndy Miller ($4.99, 76 page PDF)It’s supposed to be the yearly family vacation for the Waldrup family, but then Aunt Gladys, Uncle Hugh, and their sons joined in. When Aunt Irene found out abou … read more

Join us in celebrating 40 years of Call of Cthulhu. Iä Iä! … read more

Cthulhu Calls!At long last, the intricacies of the nefarious Cthulhu cult are revealed!Cults of Cthulhu gives you the rules to inject fully-realized and unique Cthulhu cults directly into your Call of Cthulhu campaigns, and create your own antagonists. The tome also contains three scenarios featurin … read more

From our friends the award-winning prop makers TYPE40 comes this beautiful leather document wallet officially  commemorating the 40th anniversary of the Call of Cthulhu RPG.If you want one, don't delay! Only 40 have been made. For more details and orders go here.Extremely limited edit … read more

Interview by Brian Holland.Cults of Cthulhu is the hottest upcoming release for Chaosium’s world-renown horror role-playing game, Call of Cthulhu. Despite the ever-present threat of the titular Great Old One, not much is known about Cthulhu and those who worship it – that is, outside of th … read more

Mike Mason and Chris Lackey, co-authors of the forthcoming Cults of Cthulhu, discuss the new book and what to expect from it.The stars are right on October 31st, 2021Cults of Cthulhu releases in PDF worldwide on Halloween, with the hardcover physical book to hit shelves in early 2022. As a … read more

For the special Call of Cthulhu 40th anniversary Keeper Rulebook we've included a new preface section, along with the classic scenario, The Haunting, which can be found at the end of the book. Contributing to the preface section are Call of Cthulhu creative director Mike Mason; founder of … read more