Our supplement Cthulhu Dark Ages Third Edition is set in the medieval world of Anglo-Saxon England. It comes with three scenarios – The Hunt, The Doom That Came to Wessex, and Eseweald. And when you'v

Lynne Hardy interviews Call of Cthulhu writer Marion Anderson for Women in Tabletop Gaming MonthSerious ones first:1. What is your background? My day job for the past 30 years or so has been involved

Coming to Gen Con 2026? We look forward to seeing you! If you're new to our games, or a Chaosium fan from way back, we have so much in store for you at the Indiana Convention Center, Indianapolis IN,

New Call of Cthulhu Investigator Sheets October 2021 marks the 40th anniversary of Call of Cthulhu. In honor of the occasion, we have specially prepared a range of new investigator sheets. New...

It's certainly been a bumper year for the Miskatonic Repository: here's part one of a run-down of the final indie Call of Cthulhu releases for 2023! If you like what you see, remember to give the crea

On the release of the Cthulhu by Gaslight Investigator’s Guide renowned Call of Cthulhu author Mark Morrison wrote this: The Cthulhu by Gaslight Investigator’s Guide for Call of Cthulhu 7th edition is

New Miskatonic Repository titles for July 2020! Check out the amazing community content being created for Call of Cthulhu!Akhenaten UnveiledJames Austin ($4.00, 35 page PDF)In the year 1357 BCE, king

It's been a bumper year for our YouTube channel too – here's a whole lot of viewing for the holidays if you're looking for top tier actual play and more!Subscribe to the Chaosium YouTube channel here

By Lynne Hardy, Call of Cthulhu associate editor and author of The Children of Fear: A 1920s Campaign Across Asia.So, you’ve taken the plunge and got hold of a copy of The Children of Fear...Firstly:

Chaosium is producing the Rivers of London Roleplaying Game, based on Ben Aaronovitch’s best-selling urban fantasy fiction. Reflecting the series' inventive take on the fantastic—from Newtonian magic

The Companions of Arthur is Chaosium's community new content resource for TTRPG content for the Pendragon roleplaying game. In these Round Table Roundup posts we'll highlight new releases in the progr

Under the Miskatonic Repository community content license, Call of Cthulhu fans can make their own work for use with the game line available to the public at DriveThruRPG, using guidelines, templates,