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Call of Cthulhu creative director Mike Mason is a headline special guest at PAX AUS this October! Taking place at the Melbourne Convention and Exhibition Centre in Melbourne (Oct 10-12), PAX AUS is Australia's biggest gaming festival.

Ann Arbor MI, 15 July 2025 – for immediate release Today Chaosium announced that Studio Agate will take over the development and creation of the legendary role-playing game 7th Sea, marking the beginning of a new era for the iconic game originally envisioned by John Wick. Rick Meints...

Chaosium's Rick Meints, coordinator of the ElfQuest Classic Kickstarter, and head of Chaosium's Nostalgia Dept will be joining the ElfQuest Fan Holt Discord Server on July 20th to share the latest on the EQ RPG and answer questions about gameplay, Chaosium's Basic Roleplaying system, and more...

The ENNIES are one of the best known tabletop roleplaying game awards. The nominees are selected by a panel of industry experts and voted on by fans – and voting is now live! We're excited that releases by Chaosium creators are up for awards in six different categories! But now it is up to you...

Rivers of London: In Liberty’s Shadow - A Guide to Case Files in the USA is a sourcebook for Rivers of London: the Roleplaying Game, based on the Rivers of London series by Ben Aaronovitch. The book also contains an exclusive piece of microfiction by Aaronovitch, “Ask, And Ye Shall Receive.”...

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 on 21, 22, 23 August at 2pm. In 1920s Edinburgh, they are the only thing standing in the way of diabolical cults and cosmic...

By Mark Morrison It’s the Great Pendragon Joust! This was a group event at last weekend's Chaosium Con Australia to get eight people playing Pendragon at the same time. The second round was the four winners; the third and final round was between the last two jousters. The victor went to...

Congratulations to our Chaosium team members, creative partners and community content creators who have received nominations in this year's ENNIE Awards. The ENNIES are one of the best known tabletop roleplaying game awards. The nominees are selected by a panel of industry experts and voted on...

The 'Unnatural Selections' series is our regular round up of notable Chaosium reviews worth a look. 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...

We were delighted to hear today that In Death, one of the top ten finalists in our 2024 BRP Design Challenge, has officially released on Itch.io. Created using the Basic Roleplaying Universal Game Engine rules and released under the ORC license, In Death is a tabletop roleplaying game about...

Play the best games from the best publishers who have banded together for Humble Bundle's biggest TTRPG bundle ever! Humble Bundle's Roll Big or Go Home RPG Megabundle includes 50+ titles – jam-packed with rulebooks, auxiliary resources, soundtracks, and more for you to enjoy. From Chaosium this...

From our talented friends at Type40: Extremely limited edition Only 50 made, numbered from 1 to 50 on the inside. 50th Anniversary Designed specifically to carry and protect your Chaosium rule books. Beautiful and hard wearing High quality, handmade. These will last for decades and age...

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...

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...

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...

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...

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...

Coming July 9th! Take your Rivers of London games to America! London isn’t the only place where magic is returning to the world—On the far side of the Atlantic Ocean, old factions are stirring once again to rub shoulders with brash newcomers to the American “twilight subculture,” aka the...

Encountering the King in Yellow in 1980s Japan Out now - The Sutra of Pale Leaves: Twin Suns Rising takes you to the Japan of the 1980s, an all-new setting for Call of Cthulhu. It is a time when the generations are at odds, yakuza gangs are thriving, and the traditional world is at war with...

From our friends Nightfall Games comes Claudia Christian's All The Cardinal's Men, the second book in their ENnies-nominated Musketeers vs. Cthulhu series. Musketeers vs Cthulhu is an officially licensed Call of Cthulhu setting melding the swashbuckling of The Three Musketeers legend with the...