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From our talented friends at Type40: Extremely limited editionOnly 50 made, numbered from 1 to 50 on the inside. 50th AnniversaryDesigned specifically to carry and protect your Chaosium rule books. Beautiful and hard wearingHigh quality, handmade. These will last for decades and age beautifully. A … read more

Available as a free download from Chaosium.com and DriveThruRPG: Powering some of the most influential and celebrated roleplaying games of all time, Basic Roleplaying is presented here in an easy-to-use, intuitive, and accessible quickstart. The system is at the heart of Call of Cthulhu,  … read more

Earlier this week we talked about the huge slate of gaming sessions and panels at Chaosium Con Australia, coming up, June 27-29 in Melbourne. Here are some other cool things to get involved in next weekend! The Great Pendragon Joust Mark has always wanted to run Pendragon for 64 or 128 people at th … read more

It's Free RPG Day 2025, and we're taking part! At participating Friendly Local Game Stores around the world pick up your copy of the The Basic Roleplaying: Universal Game Engine Quickstart. Powering some of the most influential and celebrated roleplaying games of all time, the Basic Roleplaying sys … read more

Chaosium Unveiled looks inside Age of Vikings, our newest TTRPG line. In the Age of Vikings roleplaying game, you are transported to medieval Iceland—a vibrant land on the edge of the known world, where Vikings seek honor and fame through adventure. Adventure Awaits - Get your copy of Age of … read more

Coming up on June 24th, an AMA for the newest Rivers of London the Roleplaying Game release: In Liberty's Shadow.  Join the co-authors, Lynne Hardy and Helena Nash, and host Bridgett Jeffries on Chaosium Twitch at 8:00am EDT / 1:00pm BST Got questions about the book? Ask them here. … read more

Horror! Madness! Secrets! Call of Cthulhu returns to the Edinburgh Fringe Festival, live on stage at the National Library of Scotland! Join our star team of investigators*, Sydney Amanuel (Glass Cannon Network, The Lost Mountain Saga), Sam See (Stand-Up Asia, The Jim Jeffries Show), Josephine McAda … read more

Here are the program offerings for Chaosium Con Australia 2025, coming up in Melbourne Australia on June 27-29: over 150 events to choose from! And more events may be added between now and the start of the show. If you'd like to join us, purchase a badge at the Aetherworks website here an … read more