Chaosium Inc.

Alone Against The Static is a modern-era scenario designed for one player. Players will choose to take on the role of either Alex or Charlie, and forge their own path through the story—player choices...

Cults of Cthulhu delves into the human side of the dark and horrific world of those who worship the dead yet dreaming abomination known as Great Cthulhu. Here, twisted humans try to find meaning in a...

Two one-to-one Scenarios for Call of Cthulhu based on 'Miłość ci wszystko wybaczy?' by Airis Kamińska and Anna Maria Mazur, published for the Polish version of Call of Cthulhu in February 2020 by...

Shunned by the good people of Arkham and Essex County, Innsmouth doesn't get many visitors these days. The place was once a thriving seaport on the Massachusetts coast, but that was before a dark...

What terror lurks within the gloomy woodlands surrounding a sleepy English Village? For two to six players, Scritch Scratch and can be played in one or two sessions. Set in the modern-day, in a quiet...

Over 550 spells of dire consequences, secrets, and unfathomable power! Here are gathered spells drawn from over thirty years of Call of Cthulhu supplements and scenarios. Each spell has been revised...

In Ireland, an archaeological team unearths an ancient horror, trapped within three stone vessels. The foul entity sets its followers on a journey to free it from its prison, crossing the Atlantic to...

Unveiling the Cthulhu Mythos in 1980s Japan! A new take on an infamous Mythos entity—The King in Yellow. Three modular scenarios for standalone or campaign play. A comprehensive guide to...

an the Kindred ever truly love? Expand your game of personal and political horror to include wide-eyed lovers and manipulative monsters.  The book is for Storytellers and players alike, giving you...