Recent content by Michael O'Brien

By Mark Morrison You never forget the first time you run a game of Call of Cthulhu. If I close my eyes, I can still picture the room: Candles burning, all else in darkness. My friends sitting around the table, leaning in to hear properly as I quietly describe the body. As the description ends...

Basic Roleplaying: Creatures collects animals, monsters, nonhumans, and nonplayer characters drawn from history, science fiction, fantasy, prehistory, mythology, and the modern world, allowing for any gamemaster to use them in any D100-based game. Coming soon! Create. Explore. Play. Basic...

On Bridgett Jeffries' own Symphony Lounge she invited Chaosium executive producer for RPGs Brian Holland on to unpack her hosting of the 25th Annual ENNIE Awards, Gen Con's record breaking numbers, new Chaosium activations, including for our 50th Anniversary, live Q&A, and more! Watch their Gen...

Here's Bridgett with some more about Impromptu Con - save the date!

Exciting news, everyone! We're turning 50 this year, and Impromptu Con is baaaaaack!!! Impromptu Con is a low impact, easygoing, and free online gaming convention that celebrates all things Chaosium! Games will be running the entire weekend from volunteer GMs (including you, if you're...

Enter London's dark heart with these grim scenarios highlighting the underbelly of the gaslit city... Cthulhu by Gaslight: Dust & Blood is coming soon! Mystery & Horror in the Victorian Age Cthulhu by Gaslight takes the Call of Cthulhu roleplaying game to the fog-shrouded streets of Great...

In the heart of Logres, an enchanted wood festers and grows. Many who venture beneath its nighted boughs are never heard from again... Pendragon: The Sauvage King is a collection of scenarios for roleplaying in King Arthur's Britain! What Kind of Knight Will You Become? Pendragon is Greg...

Chaosium will be at Tabletop Scotland 2025 at the Royal Highland Centre in Edinburgh, September 5-7. Came see Chaosium's David Scott and Laurence Finch, plus our demo team at Booth C2-06. In addition to the latest releases you'll be able to take part in 15 minute drop-in demos. We've got Call...

Congratulations to Chaosium creators recognised as nominees in the 2025 Australian Roleplaying Industry Awards (ARPIA). Best Artwork Call of Cthulhu Keeper Decks – 2nd Edition, Illustrated by Reuben Dodd Best PDF Only Product Resort: A Modern Call of Cthulhu Scenario, by Kat Clay Best...

The hardest challenge to putting on a show at the Edinburgh Fringe is securing a venue: locations are limited, and there are literally thousands of performers competing for the same spaces. We're very thankful to the National Library of Scotland for offering us their boardroom; of course, it...

We had our first Call of Cthulhu Live in the Library show today. In front of an enthusiastic, sell-out crowd, our investigators explored an unnerving mystery that took them deep into the stacks of the National Library of Scotland itself. Much mayhem and loads of fun!

Our dream team of investigators are ready to go Live in the Library with our sell-out shows tomorrow, Friday and Saturday. Call of Cthulhu is back once again at the Edinburgh Fringe Festival! Clockwise from bottom left: Dominic Allen, Mike Mason (Keeper), MOB (producer), Jon Gracey & baby...

The Chaosium team is back with another AMA for our company's 50th Year Anniversary: Past, Present, and Future! Join Rick Meints, MOB, and Bridgett for this retrospection, appreciation, and projection! This episode will be direct released to YouTube! Submit questions below! Chaosium 50th AMA --...

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 them all, or close to it. For many, Mark perhaps needs little introduction: he goes way back...

SOLD OUT - all three shows! Call of Cthulhu returns to the Edinburgh Fringe later this week, once again played live on stage at the National Library of Scotland.