Runemasters is a new Chaosium sponsored GM collective, formed to bring Gaming in Glorantha back to the Continuum Convention in Leicester. GMs will be running 16 Gloranthan games between opening and cl

After #BlackFriday and #SquamousSaturday comes #SpectralSunday. You can still get 15% off over 400 Chaosium titles, until tonight 11.59PM PST when our sale ends.More details here!Then, our Cyber Monda

The Greg Stafford Memorial Award for Gloranthan Fandom was established in November 2018 in memory of Chaosium's revered founder and original creative visionary Greg Stafford. With the blessing of Greg

CHAOSIUM is very happy to announce that we will be distributing Greg Stafford's Prince Valiant and King Arthur Pendragon RPGs for our friends at Nocturnal Media, starting next year. Originally publish

Our friends Golden Goblin Press have launched Island of Ignorance on Kickstarter. This is an expanded and updated re-release of their first-ever book, Island of Ignorance - The Third Cthulhu Companion

Wyrms Footnotes is Chaosium’s House Magazine for Greg Stafford’s World of Glorantha. Fourteen issues were published between 1976 - 1983. After a (mere) 29 year hiatus, Wyrms Footnotes returned in 2012

As Phil Frances wrote in White Dwarf #75, "Chaosium’s companion packs should be pretty familiar by now, and the company’s intention to publish bits of lore too odd to fit in elsewhere is essentially a

The Miskatonic Repository at DriveThruRPG is our thriving community content platform for gaming material for the Call of Cthulhu tabletop roleplaying game. New content is being added every week, with

We've already got 46 Chaosium titles on sale up to 60% off, for Call of Cthulhu, RuneQuest, 7th Sea and more. This includes most of our special leatherette editions at 50% off. And for Black Friday, u

Here's a partial list of the awards we've won over the years. We've lost track of some of our awards, so if you know of any that are not listed here, please contact us. 2026ENnie Awards -...

Looking to Play Online? Take a look at our Getting Started with Online Play for Pendragon!

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