Chaosium

Create. Explore. Play. Basic Roleplaying (BRP) is a system of core rules for tabletop roleplaying. Whether you’re a seasoned roleplaying veteran o...

An Essential Book for Call of Cthulhu Players “No swords. No wizards. Just regular humans, in way over their heads...” — Gizmodo Will you stand aga...

The Old Ones ruled the earth eons before the rise of man. Traces of their cyclopean cities can still be found on remote islands, buried amid the sh...

A WORLD OF MYSTERY, HORROR, AND ADVENTURE IN A BOX! This Starter Box contains everything you need to start playing Call of Cthulhu—the tabletop ro...

Format Hardcover Type Campaign Pages 336 Rule System/Engine Call of Cthulhu   Death and Discovery in the Vermont Hills! In 1929, a stud...

A Call of Cthulhu nightmare beyond signal range! Alex and Charlie believe that a secluded weekend getaway in the Black Hills of South Dakota is jus...

Unveil the secrets of the legend-haunted city! On the streets of Arkham, the threat of the Cthulhu Mythos is ever-present. A quiet town in New Eng...

Six Scenarios Against The Unknown! The denizens of Nameless Horrors are unlike anything you’ve encountered before. Each is truly of the Cthulhu Myt...

A hallucinatory prison crawl for the newly updated Mothership Sci-Fi Horror RPG. The Cleaning of Prison Station Echo is from the creators of Dying ...