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What is Impromptu Con? The better question– what is impromptu? Impromptu is something done without being planned, organized, or rehearsed. As such, Impromptu Con is a very impact-light, easygoing, and free online gaming convention that celebrates all things Chaosium!  We held the first I … read more

QuestWorlds line editor Ian Cooper will be at The Owlbear and Wizard's Staff this weekend, a mini-con taking place at St Patrick's Irish Club in Leamington Spa, UK. Chaosium games on offer include various flavours of Call of Cthulhu, Rivers of London, RuneQuest, and of course, QuestWorlds.  Ch … read more

Multi award winning content creator, community cultivator, storyteller, writer, podcaster, streamer, publisher, ENNIE Awards host, professional hugger, and Chaosium's Community Manager Bridgett Jeffries is guest of honor at U-Con in Ann Arbor MI this coming November. Held at the Eaglecrest Golf Res … read more

At Chaosium Con EU you’ll have the chance to meet some of the talented artists behind Call of Cthulhu, Pendragon, RuneQuest, Age of Vikings, and more. Don’t miss the Artist Alley at the convention! Come along for a long weekend dripping with cosmic horror, essential runes, swashbuckling … read more

Join the fun (and madness) of the free online Miskatonic Repository Con 2025 by submitting your Call of Cthulhu games now through October 5th. Player sign-ups open September 20th. If you're a Call of Cthulhu Keeper and you have published on the Miskatonic Repository, are thinking about publishing o … read more

Call of Cthulhu creative director Mike Mason is a special guest at the Innsmouth Literary Festival, the UK's "top Lovecraftian event". Also attending as special guests are Rivers of London RPG writer Helena Nash, and Call of Cthulhu RPG writer Matt Sanderson.  And we'll have a sales booth too, … read more

Significant Streams is a feature on the Chaosium news blog where we highlight actual play streams, podcasts, and YouTube channels featuring Chaosium games that we think are worth checking out. Push the Roll is a new Call of Cthulhu podcast starring Ross Bryant (Dropout TV, Glass Cannon Po … read more

For the last six years Chaosium’s fearless players on the award-winning Stream of Chaos have faced the horrors of the Cthulhu mythos, the mysteries of the Rivers of London, the rebel kings of Arthurian Britain, the feuds of the Age of Vikings and much more as they streamed actual plays on Twi … read more