'Sea and Salt' is a free one-shot for the Age of Vikings TTRPG. Explore folklore, horror, and fate in a 2–3 hour Viking-era adventure! By Don Ford, our Age of Vikings community ambassador. Available

When Greg Stafford and Sandy Petersen returned to take over the reins at Chaosium in June last year, they announced that fulfilling the much-delayed Call of Cthulhu 7th edition Kickstarter was their k

Now on YouTube! Join Keeper London Carlisle and Investigators Briana DeCoster, Jesus Rodriguez, Kelli Butler, and Brandon O'Brien as they venture into 1920s Harlem as seen through the Cthulhu Mythos! 

Freed from the shackles of the Lunar Empire, the people of Sartar stand at the dawning of a new day. Lands of RuneQuest: Sartar is coming in 2026! In the meantime, start your explorations of the s

Pulp Cthulhu is two-fisted, quip-making, tongue-in-cheek action against the Mythos! Join an all star cast of players in this liveplay to find out more. Our four investigators travel to the secluded

Six scenarios against the Unknown! Chaosium Unveiled looks at Nameless Horrors 2nd Edition. Originally published in softcover nearly 10 years ago, this updated hardback edition of Nameless Horrors con

Download for free! Keeper resources, maps, character sheets, and every player handout for our latest Call of Cthulhu release Nameless Horrors 2nd Edition. Print them and use them again and again!Namel

Unveil the secrets of the legend-haunted city! - Chaosium Unveiled takes a look at the signature setting for Call of Cthulhu:Available now!"This is the gold standard for what an RPG supplement should

Chaosium Unveiled reveals Cults of RuneQuest: Mythology or RuneQuest: Roleplaying in Glorantha. Cults of RuneQuest: Mythology is part of the new Cults of RuneQuest sourcebook series for the RuneQuest

. Create the perfect beast! . Stats for monsters, enemies, and NPC for all game genres Rules for creating your own wicked creatures Compatible with Call of Cthulhu, Pendragon, RuneQuest, an

The 'Unnatural Selections' series is our regular round up of notable Chaosium reviews worth a look.Dr Emily Friedman of Auburn University is an academic with research interests in Jane Austen and the

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 cit