-- Our community content ambassadors Bridgett, Mark and Nick --On Chaosium's behalf, our Community Content Ambassadors – Bridgett, Mark, and Nick – act as a first point-of-call and helpful sounding bo

Chaosium was born out of fiction—company founder Greg Stafford discovered his mythic world of Glorantha through his writings. Only a few years later, Sandy Petersen turned H.P. Lovecraft’s most famous

Chaosium congratulates our 2021 ENNIES winners, with a clean sweep in the Best Organised Play (community content) category!GOLD AWARD:  A Rough Guide to Glamour (Jonstown Compendium - RuneQuest)Congr

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:

The Miskatonic Repository and Jonstown Compendium are Chaosium's thriving community content programs at DriveThruRPG for independent creators.Here, the Council of Shoggoths (organizing body of the Mis

The Room with No Doors is the first Miskatonic Repository creation by best-selling DM's Guild author M.T. Black. In addition to a number of adamantine and platinum best sellers in the DM's Guild, M.T.

We're so excited to be working in partnership with PAX Australia to bring the one and only Mark Meer to PAX AUS in October! Chaosium fans will know Mark as the Keeper of Arcane Lore in our blockbuste

The sixth and final episode of our blockbuster Call of Cthulhu actual play series is now up on YouTube!As the world falls to chaos around them, our investigators make one last desperate attempt to sav

ARMAGEDDON EXPO is New Zealand's biggest pop culture, gaming, and geekdom convention - and Chaosium will be attending for the first time this year. We look forward to meeting Kiwi Chaosium fans in Auc

Wow, it sure has been a busy 50th Anniversary year for the Chaosium team! In case you've missed something, here's a reverse run-down of everything new we've released in 2025, on the Chaosium website,

Episode three of our blockbuster Call of Cthulhu actual play series is now up on YouTube! With the stakes rising every minute, our investigators scramble to stay ahead of the horrors they've found lur

Our community manager Bridgett Jeffries is interviewing GMs from our Cult of Chaos gamemaster program and creators for our community content programs at DriveThruRPG - the Miskatonic Repository (Call