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The 'Unnatural Selections' series is our regular round up of notable Chaosium reviews worth a look. Cthulhu by Gaslight takes the Call of Cthulhu roleplaying game to the fog-shrouded streets of Great Britain and beyond. Here's what reviewers are saying about the first two releases fo … read more

Are you coming to Gen Con 2025? Here's an Actual Play experiece unlike any other! Bring your dinner and drinks and join us for an intimate Actual Play performance in the dedicated Chaosium room. All the horror, humour, mystery and madness will unfold before you in a theatre-in-the-round-style exper … read more

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 of Cthulhu), Jonstown Compendium (RuneQuest-Glorantha), and Companions of Arthu … read more

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