Encountering the King in Yellow in 1980s Japan Forgotten for centuries, the Sutra of Pale Leaves has resurfaced in 1980s Japan—a time of excess and conspicuous consumption.In the right hands, the Sut

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

Lynne Hardy, line editor for the Rivers of London TTRPG, and associate editor for Call of Cthulhu, talks about how romance fits into Regency Cthulhu and into TTRPGs at large. Lynne is talking with Cha

Our supplement Cthulhu Dark Ages Third Edition is set in the medieval world of Anglo-Saxon England. It comes with three scenarios – The Hunt, The Doom That Came to Wessex, and Eseweald. And when you'v

Congratulations to our friends Chris Spivey and Darker Hue Studios for the Diana Jones Award nomination of Harlem Unbound, their ground-breaking Call of Cthulhu/Trail of Cthulhu sourcebook, set in 192

Our smash hit Call of Cthulhu actual play series Graveyards of Arkham is playing now - catch new episodes on Twitch on Wednesday and YouTube the following Sundays! And celebrate the series with our fr

Lords of the Middle Sea: The Roleplaying Game is in development. Based on Lynn Willis's 1978 futuristic proto-Steampunk board game, set in the post-apocalyptic ruins of a flooded North America, the ta

Chaosium congratulates creators from our Miskatonic Repository and Jonstown Compendium community content programs who received nominations in this year's ENnie awards!2021 Nominees – Best Organised Pl

Jeff Richard is Vice President and Creative Director for Chaosium. He is the lead author of the Guide to Glorantha, HeroQuest Glorantha, and RuneQuest: Roleplaying in Glorantha, as well as...

After Black Friday comes Squamous Saturday. And because Cthulhu is timeless, today we're offering three current Call of Cthulhu hardback releases from different historical periods at 20%+ discount. On

. Chaosium Inc is thrilled to announce the theme for Chaosium Con US 2026 costumes and our Thursday night Kick-off party: Campfire Tales - Scouts against Cthulhu! Drawing inspiration from the forthco

Bring the wonder and mystery of Glorantha to life on your Virtual Tabletop! This digital-only product includes over 200 RuneQuest tokens! The tokens are provided as PNG format files 330 x 330 pixels