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Chaosium Unveiled looks at Call of Cthulhu Innsmouth – the definitive guide to the rotting seaport town—one of the most iconic settings for Call of Cthulhu. A Sandbox Campaign Setting with Secrets to Uncover An essential resource for Innsmouth-based scenarios as well as campaigns within … read more

This month marks the eighth anniversary of Greg Stafford's passing, and we are pleased to announce Brian Duguid as the winner of the 2026 Greg Stafford Memorial Award for Gloranthan Fandom. This award was established in November 2018 in memory of Chaosium's revered founder and original creative vis … read more

Chaosium creators Mike Mason, Lynne Hardy, and Keris McDonald are special guests at Cave Con, taking place on November 7-8 at the historic Old Salutation Inn in Nottingham UK, the "City of Caves". Also attending as a special guest is ENNIE-award winning Miskatonic Repository creator Jayson Green. T … read more

The Cthulhu by Gaslight: Keeper Screen is an essential play aid for those running games set in the foggy streets and alleys of Victorian Britain. What's Inside The Cthulhu by Gaslight: Keeper Screen is the essential expansion for running Cthulhu by Gaslight games at your ta … read more

Unconventional GMs is an exciting Actual Play channel, showcasing games with pace, vim and vigour, in about two hours or less. Gaz and Guy take their decades of convention GMing experience to demonstrate the best of a wide variety of ttrpgs, with a rotating cast of players to keep things fresh and … read more

Pulp Cthulhu is two-fisted, quip-making, tongue-in-cheek action against the Mythos! Join an all star cast of players in this liveplay to find out more. Our four investigators travel to the secluded Durnney estate. Following an anonymous, desperate letter regarding the suspicious deaths of the esta … read more

Submit your questions for a coming AMA: The Keeper Companion. Packed with rules options and scenarios, this new release for Call of Cthulhu has something for everyone, whether novices or veterans. Designed to improve your experience and help you get the most out of your games while ensuring yo … read more

The Call of Cthulhu Miskatonic Repository Convention is a FREE three-day virtual convention celebrating Chaosium’s online collection of user-made content. All content is Call of Cthulhu 7e, and is either currently published, or being prepared for publishing, on the Miskatonic Repository. Impo … read more