Recent content by Michael O'Brien

To all members of the tribe, our heartfelt thanks for your support in this year, and for joining us in our 50th anniversary celebrations. We wish you the compliments of the season, and all the best for 2026! – from the Chaosium team: Dustin Wright, Mike Mason, Rick Meints, Jeff Richard, Neil...

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 Arthur (Pendragon)...

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Get ready for another Ask Me Anything! Submit your questions about The Sauvage King, the coming supplement for the Pendragon roleplaying game. Host Bridgett Jeffries will be talking to Pendragon line editor David Larkins and The Sauvage King co-author David Zeeman. The AMA will appear on...

Welcome to Community Creations Spotlight! Here we spotlight Chaosium community creators creating awesome content! https://www.youtube.com/shorts/sM7Y7xm1LjQ?feature=share "Death has come to Camp Shady Pines... and it's not done yet!", says Mav Haenze. Check out this GOLD bestselling Call of...

By Mark Morrison With all my gaming groups I’ve always tried to run a special themed game as the last one of the year. There’s something about getting together just before the holidays that brings on a special mood: eating great snacks, exchanging small gifts, reflecting on how much we’ve...

Have you thought about GMing—maybe always wanted to give it a shot—but haven’t quite taken the plunge? What if we told you that by the first week in February, you could be an honest-to-goodness GM—and it’ll be easy! Each January our friends at Monte Cook Games run a month-long seminar in the...

Set in the picturesque state of Vermont at the beginning of the 1930s, A Time to Harvest is a six-part campaign centered on the valley surrounding the sleeping town of Cobb's Corners — and it's now available on Roll20! A Time To Harvest contains new rules and advice for creating student...

Add depth and realism to your game with Syrinscape’s high-quality Call of Cthulhu sound effects — these are the SoundPacks for Call of Cthulhu -The Sutra of Pale Leaves: Twin Suns Rising. An adventure that takes you to 1980’s Japan. With new sound design and music tracks created for this utterly...

This January, Chaosium's Michael O'Brien and Susan O'Brien are special guests at Christmas on the Clocktower, a festive weekend of games, a Christmas play, and the classic social deduction game Blood on the Clocktower (the #1 Party Game on Board Game Geek). MOB and Susan will also be bringing...

On the Australia Day weekend (24-26 Jan 2026) Chaosium will be back in the national capital once again for Can Con, a long-standing event in the Australian convention schedule. As part of the Tabletop gaming program we're running in partnership with our friends at Aetherworks, we're offering...

What video gamers are saying about RuneQuest Warlords The 'Unnatural Selections' series is our regular round up of notable Chaosium reviews worth a look. RuneQuest: Warlords is the newly-released battle-scale turn-based strategy video game set in the RuneQuest universe. Immerse yourself in...

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 Arthur (Pendragon)...

Visionary game designer Greg Stafford always said that the Pendragon roleplaying game was his magnum opus. In its Arthurian bones, Pendragon is much the same as it was when it debuted as a box set 40 years ago, in 1985. The game featured many innovations and ways to inject roleplaying games...

We're excited to release four new titles under the Pendragon banner! Pendragon: Magnum Opus Edition This special collector’s edition of the Pendragon Core Rulebook is bound in a rich red-and-gold leatherette, featuring a quote from designer Greg Stafford in gold text on the back cover. This...