Download for free! – maps and handouts for Call of Cthulhu: Arkham, the definitive guide to the signature setting of Call of Cthulhu. This includes the Player and Keeper Maps of the haunted city, Arkh

Golden Goblin Press to produce "Cthulhu Invictus" Ancient Roman-era line of Call of Cthulhu supplementsChaosium today announced a new licensing arrangement with Golden Goblin Press for "Cthulhu Invict

RuneQuest: Weapons & Equipment - Prepare for AdventureAn essential guide to a wide range of items, goods, services, training, magical items, and beasts for RuneQuest players and Game Masters. RuneQues

Here's a prime example of a talented crew of independent Call of Cthulhu creators taking on one of Chaosium's official Call of Cthulhu settings and expanding it dramatically in exciting ways — which c

Sold out at Gen Con and now on YouTube! Chaosium Presents 'The Calyx, Deepest Blue'. Before a capacity live audience, Keeper Becca Scott guides her fearless investigators: Aabria Iyengar, Saige Ryan,

Chaosium Unveiled looks at In Liberty's Shadow – A Guide to Case Files in the USA. This is a new sourcebook for Rivers of London the Roleplaying Game, based on the Rivers of London series by Ben Aaron

Frequently Asked Questions CHAOSIUM / GREG STAFFORD Q: Where did the company name come from? A: Greg Stafford founded "The Chaosium" in 1975. He and his wife were living in a tiny apartment...

The long corridor gets longer and our investigators cross into another realm! Will they survive their look into the unknown?Keeper Becca Scott guides investigators Kari Lee Cartwright, Surena Marie, K

  We have a lot in store for you for the first half of 2025!   JANUARY – Jimmy's Last Dance for Rivers of London the Roleplaying GameFEBRUARY – QuestworldsMARCH – Gamemaster's Handbook for Pendrag

It is two years since the passing of Chaosium company founder Greg Stafford. As one of the greatest game designers of all time; winner of too many awards to count; and a friend, mentor, guide, and ins

And, what has happened to that nice, quiet neighbor of yours?... He wasn’t always the friendliest of sorts, but he did seem very pious, what with all the late-night prayers coming from his room…Call o

Write Your First Adventure is open for registration! Starting November 1, join the Storytelling Collective for a month of creating for your favorite tabletop roleplaying game system. Once again, there