If you've recently bought our new two volume reprint of Horror on the Orient Express, did you know you can also get the key artefacts of the campaign?The Sedefkar SimulacrumAs described in Horror on t

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

Chaosium Unveiled looks inside the Pendragon Core Rulebook. The Pendragon roleplaying game is set amidst the glory and grandeur of King Arthur’s Britain. Its innovative mechanics drive the emotional i

As part of our 50th anniversary celebrations Chaosium President Rick Meints is attending Cthulhu in a Castle, brand-new three-day Call of Cthulhu RPG vacation event—set within the eerily atmospheric

By Mark Morrison Behold, a new header graphic appears! Thanks to our talented graphic designer Monika Godyń for assembling this wonderful collage from covers by Loïc Muzy for Pendragon, Call of Cthu

These softcover Call of Cthulhu titles are now available Print-on-Demand, direct from Chaosium.com! CHA23131-S-POD Call of Cthulhu Quickstart - POD - $9.95 - $7.46CHA23143-S-POD Cold Harvest - POD

Lynne Hardy's Scritch Scratch is a modern-day Call of Cthulhu scenario for two to six players. It is now available from Chaosium.com in three formats: Softcover (US, UK, EU, AUS, CAN), price includes

Earlier this year the Miskatonic Repository was opened up to Roll20 VTT conversions, and already there are more than a dozen independent Call of Cthulhu titles you can play directly on Roll20!And just

https://www.kickstarter.com/projects/cbetts/ethernomiconEmerging from the chaos and madness of the Cthulhu Mythos comes the Ethernomicon collectable card game, where you play a faction seeking control

We've started a new series of posts on the Chaosium blog called 'Table Tales', by Chaosium's Mark Morrison. Table Tales is all about the fun of playing Chaosium games, and Mark has pretty much played

The Holiday Season is here!Chaosium has a long-standing relationship with Santa (he’s a massive RuneQuest-head, after all), and this year we’ve put together a list of our most ideal products for the r

Chaosium is coming to NecronomiCon Providence next week (Aug 22-25) at the Omni Hotel in Providence, Rhode Island! NecronomiCon Providence is an expansive exploration and celebration of all the great