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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 I bec … read more

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 Roleplayi … read more

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 … read more

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-shroud … read more

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 i … read more

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 Pa … read more

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 Stafford's … read more

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 … read more