[CALL OF CTHULHU ROLEPLAYING] In dim, forgotten recesses of the world lurk mind-twisting horrors....

It is October 1928. London is the capital of an empire that covers a quarter of the globe and con...

LOS ANGELES IN THE 1920s was a fast-growing, fast-moving city that encompassed all that was great...

This resource guide provides background for a campaign setting in the San Francisco Bay area of t...

When faced with the horrors of the Cthulhu Mythos, investigators need all the help that they can ...

[CALL OF CTHULHU ROLEPLAYING] SECRETS OF NEW YORK is a compendium of one of the oldest and most p...

The Spiraling Worm offers seven stories sharing background, characters, and storyline depicting h...

Three mini-campaigns set in modern New York State lead investigators through serial murder invest...

New to 'The History Behind Prohibition''The Keeper's Master List of Call of Cthulhu Scenarios' al...

A New Call of Cthulhu Roleplaying Game from Chaosium Inc.