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Call of Cthulhu maestro Mark Morrison is an international guest of honour for Chaosium Con EU (Oct 29 – Nov 1, 2026, Gdańsk, Poland)(Post)
We're excited to announce Call of Cthulhu maestro, Pendragon community ambassador, and Chaosium editorial associate Mark Morrison is an international guest of honour for Chaosium Con EU 2026. Mark wo
WeAreAllUs: Greg Stafford's 'The Quest of the Red Blade' will appear in print for the first time on Oct 10(Post)On OCTOBER 10 we're marking the first anniversary of Chaosium founder Greg Stafford's passing by releasing a set of new FREE adventures for all our major game systems (RuneQuest, Call of Cthulhu, King
Chaosium is coming to PAX AUS - Oct 7-9: games, panels, actual play, plus a special guest!(Post)PAX AUS is coming up soon, from October 7-9 at the Melbourne Convention and Exhibition Centre in Melbourne, Australia – and Chaosium will be there!Thanks to an awesome team of volunteer GMs from the C
Lords of the Middle Sea Update: more Ossi art(Post)Lords of the Middle Sea: The Roleplaying Game is in development. Based on Lynn Willis's 1978 futuristic proto-Steampunk board game, set in the post-apocalyptic ruins of a flooded North America, the ta
Congratulations to our 2025 ENNIE Awards Nominees(Post)Congratulations to our Chaosium team members, creative partners and community content creators who have received nominations in this year's ENNIE Awards. The ENNIES are one of the best k
Out now - Pendragon Core Rulebook and The Grey Knight(Post)Will you fight to rid the world of injustice? Will you use clout and power to take advantage of those beneath you? What kind of knight will you become?The Pendragon Core Rulebook and The Grey Knig
Lords of the Middle Sea update: Hot Pursuit(Post)Lords of the Middle Sea: The Roleplaying Game is in development. Based on Lynn Willis's 1978 futuristic proto-Steampunk board game, set in the post-apocalyptic ruins of a flooded North America, the ta
Chaosium is coming to Gamehole Con - Oct 16-19, Madison WI(Post)Gamehole Con is all about tabletop gaming and all the fun that goes with it. And we're excited to be coming to Gamehole. In fact, we're major sponsors this year, as part of our company's 50th anniver
Out of the Suitcase #39: Errata: a lesson on how change can be difficult...(Post)Chaosium President Rick Meints shares stories from a life-time as a collector of all things Chaosium.All RPG publishers struggle with getting the rules for the first editions of their games right. No
Chaosium Unveiled: The Grey Knight(Post)Chaosium Unveiled looks at Pendragon: The Grey Knight, a beginner-friendly campaign book, containing everything you need to run the legendary Grey Knight campaign.Originally published in 1986, The Gre
Fan-Use and Licensing Q&A(Page)Revised: October 13, 2023. Q: Copyrights and Trademarks - what are they? A: Our intellectual property - our text and images - are legally protected by copyright, giving Chaosium/Moon Design...
Launching this Friday, July 2: The Call of Cthulhu Classic Kickstarter(Post)On a cold and rainy day back in 1981 Chaosium unleashed its Call of Cthulhu tabletop roleplaying game on an unprepared world... To help celebrate the 40th anniversary of Call of Cthulhu, this Friday (