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Out now! Rivers of London: Underground, Overground - The Case File Collection contains four scenarios for Rivers of London: the Roleplaying Game, each set in the United Kingdom’s bustling capital city. The book also contains brand new spells, creatures, and guidelines for creating your very o … read more

Bridgett Jeffries is hosting another AMA for the award-winning Rivers of London The Roleplaying Game. This is all about the coming scenario collection, Underground, Overground. Submit your questions for co-authors Lynne Hardy, Paul Fricker, Paul Baldowski: https://forms.gle/3wmWwh7mpjwkhFfp7 … read more

Chaosium's David Scott and Don Ford will be at Tabletop Gaming Live 2026 to run demo games of Age of Vikings, Rivers of London, and QuestWorlds. Join them at Doncaster Racecourse in Doncaster, UK on 14th and 15th February, Stand 13. … read more

Wow, it sure has been a busy 50th Anniversary year for the Chaosium team! In case you've missed something, here's a reverse run-down of everything new we've released in 2025, on the Chaosium website, at DriveThruRPG, in retail distribution, and a few other unlikely places, such as Steam and D&D … read more

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 Aaronovitch. The book also contains an exclusive piece of microfiction by Aaronovitch, &ldqu … read more

Rivers of London: In Liberty’s Shadow - A Guide to Case Files in the USA is a sourcebook for Rivers of London: the Roleplaying Game, based on the Rivers of London series by Ben Aaronovitch. The book also contains an exclusive piece of microfiction by Aaronovitch, “Ask, And Ye Shall Rec … read more

Coming up on June 24th, an AMA for the newest Rivers of London the Roleplaying Game release: In Liberty's Shadow.  Join the co-authors, Lynne Hardy and Helena Nash, and host Bridgett Jeffries on Chaosium Twitch at 8:00am EDT / 1:00pm BST Got questions about the book? Ask them here. … read more

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 again to rub shoulders with brash newcomers to the American “twilig … read more