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

Chaosium Unveiled looks at Call of Cthulhu Innsmouth – the definitive guide to the rotting seaport town—one of the most iconic settings for Call of Cthulhu. A Sandbox Campaign Setting with Secrets to

"Chaosium’s Cthulhu Mythos-inspired TTRPG continues to grow, seeing even more growth than last quarter." — Roll20's Orr Report Q1 2021.As the overall number of people playing online continues to rise,

This is it: The final session of the New Gamemaster Month program! We’ve come a long way over the past few weeks, and we’re closing in on your first game session.But even if you haven't started, you c

Collected Wisdom on Running Games! Marking the 40th anniversary of Call of Cthulhu, this is a gathering of wisdom, advice, and tips from Keepers for Keepers. Our pocket-sized guide to running games of

Coming up next month, the Chaosium team including Rick, Neil, Jeff, Kris Alice, Mike and MOB will be at the Internationale Spieltage SPIEL '16 at Essen from October 13-16. Come see the team at booth -

Now available as a free download for use with The Red Book of Magic: Rune Spell Reference Tables for the RuneQuest tabletop RPG.This free 40 page handout collects all the Rune spells from The Red Book

The 'Unnatural Selections' series is our regular round up of notable Chaosium reviews worth a look. Reviewers and fans alike have described our recent new Call of Cthulhu releases with such terms as

On the weekend before Australia Day (21-23 Jan 2023) Chaosium will be in the national capital for Can Con, a long-standing event in Australian convention schedule.As part of the Tabletop gaming progra

We're excited that our award-winning Age of Vikings RPG is going to be one of featured roleplaying game systems in this January's New Gamemaster Month, run by our friends at Monte Cook Games.  Chaosi

Chaosium Con Ann Arbor 2026 event registration is now open!. If you've got your badge, you can start signing up for events! Yes, that includes those highly coveted VIP Events! And there are badges av

New Gamemaster Month kicks off today – this is the annual month-long seminar in the form of twice-weekly posts, organised by our friends at Monte Cook Games to guide prospective GMs up to and through