Our award-winning roleplaying games, boardgames, and fiction have been acclaimed as some of the most engaging and innovative of all time. For the past half-century, Chaosium Inc. has captivated...

What’s the strangest change you’ve seen in a TTRPG using an established setting’s lore?Jason Durall, creative director of RuneQuest and all things BRP, talks to James Coquillat about when and how to b

Hear from more of the Chaosium team! Here Sim Cogswell, Chaosium’s in-house layout artist and graphic designer, talks about their work and about how TTRPGs come together. What part of building a book

Celebrate Origins with Chaosium, the world’s oldest ongoing publisher of TTRPGs! Stop by the Chaosium booth and stock up on the latest Call of Cthulhu, Pendragon, RuneQuest and much more! You can als

There are 379 Chaosium titles on offer in DriveThruRPG's GM's Day Sale, up to 40% off! For the next 12 days. Call of Cthulhu, RuneQuest, King Arthur Pendragon, 7th Sea, and more!

We are excited to announce Chaosium community ambassador Nick Brooke is an official special guest at PAX AUS, coming up on Oct 6-8 in Melbourne, Australia!At PAX AUS Nick will be participating in pane

LuxCon is Luxembourg’s first national Science Fiction, Fantasy and Horror Convention. And Jason Durall, Chaosium's creative director for RuneQuest and Basic Roleplaying, is a special guest! LuxC

Line editor for RuneQuest and all things Basic Roleplaying Jason Durall talks about BRP, and his favorite, and most agonised-over sections of the "Big Gold Book". Jason is talking with Chaosium's Jame

Later this week Chaosium is attending Necronomicon 2022, the International Convention of Weird Fiction, Art and Academia held bi-annually in Providence, Rhode Island.Chaosium team members Andrew Bean,

Chaosium Discord Join the Chaosium Discord to discuss all things Chaosium—roleplaying games, board games, organizing play, and more! The Chaosium Forums Join the tribe! - head over to BRP...

As part of the 40th anniversary celebrations for the Call of Cthulhu Roleplaying Game, we're running free two hour games on Roll20 for 24 hours over the Friday and Saturday of the Halloween Weekend (O

Call of Cthulhu creative director Mike Mason and RuneQuest creative director Jason Durall are guests at Pyrkon Multigenere Fan Convention in Poznan, Poland, 17-19 June 2022.Pyrkon is the biggest event