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Call of Cthulhu creative director Mike Mason talks the classic Call of Cthulhu haunted house and how best to run these scenarios, such as those found in Mansions of Madness Vol 1: Behind Closed Doors. Mike is talking to James Coquillat as part of our Chaosium Interviews series. Catch … read more

Our Stream of Chaos crew have just finished playing the last scenario in Mansions of Madness on Chaosium Twitch. Follow or subscribe to see what the Stream of Chaos are going to play through next!Binge-watch all the previous episodes on Chaosium's YouTube channel.And play the new  … read more

The Call of Cthulhu release Mansions of Madness Vol 1 – Behind Closed Doors is now available on Roll20!Who Knows What Happens... Behind Closed DoorsMansions of Madness Vol. 1 contains five scenarios for use with the Call of Cthulhu Starter Set or the 7th Edition Call of Cthulhu: Keeper Rulebook … read more

The award-winning actual play audio drama, The Call of Cthulhu Mystery Program and Chaosium, renowned publishers of the Call of Cthulhu tabletop roleplaying game, have joined forces for a live charity spectacle! Behold as horror and hilarity unfold before your very eyes as a cast of audio dramatists … read more

On the release of the new edition of Mansions of Madness, accomplished Call of Cthulhu writer Mark Morrison (Terror Australis, Reign of Terror, Horror on the Orient Express) reminisces about the inspiration for his famous scenario 'The Crack'd and Crook'd Manse', which appears here, update … read more