Chaosium Inc
This is the list of products published by Chaosium Inc.
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Chaosium Inc
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Arkham Call of Cthulhu RPG
Call of Cthulhu RPG Sandbox Setting
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 England—home to the prestigious Miskatonic University—Arkham’s underbelly hides criminals, speakeasies, and a witch-cursed history. What’s Inside? C...... More
£49.99
 
Released 12 March 2024
The Order Of The Stone Hardcover: Call of Cthulhu RPG
Call of Cthulhu RPG Campaign
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 New England and the backwoods of rural Massachusetts. Across three connected scenarios, the Inves...... More
£34.99
 
Released 20 November 2024
No Time To Scream Hardcover: Call of Cthulhu RPG
Call of Cthulhu RPG Campaign
The three scenarios share a common theme—the investigators are up against the clock. Guidance for the keeper is provided to keep the action flowing and emphasis the uncaringness of the Mythos. There is also help for adding more investigators for larger group play. A Lonely Thread Something is wr...... More
£24.49
 
Released 20 November 2024
Call of Cthulhu Keeper Decks 2nd Edition
Call of Cthulhu RPG Accessory
Call of Cthulhu Keeper Decks 2nd Edition are designed to provide in game resources, handy references, and information. Use these decks to supplement scenarios, for inspiration when designing new encounters, to pass secret and important notes to players, and as a handy way to impart information....... More
£29.99
 
Released 04 February 2025
At the Mountains of Madness
H.P. Lovecraft’s At The Mountains of Madness for Beginning Readers
The story of an ill-fated journey to Antartica A Reimagining of the Classic Story H.P. Lovecraft’s At The Mountains of Madness for Beginning Readers is a 142 page retelling of the original story of Mythos horror from 1936. Re-written in rhyming verse, and accompanied by beautiful child-friendly a...... More
£19.99
 
Released 04 February 2025
Call of Cthulhu - 7e Cthulhu by Gaslight Keepers Guide Hardcover
Adventure, Mystery, & Horror in the 1890s
Cthulhu by Gaslight takes the Call of Cthulhu roleplaying game to the fog-shrouded streets of Great Britain and beyond. This book is designed for Keepers—those who will be running the game. Inside, you'll find: • Advice for bringing the setting to life. • Information on villainous organizat...... More
£44.99
 
Released 07 April 2025
Call of Cthulhu - 7e Pulp Cthulhu
Two-fisted action against Gods beyond Space and Time
Do you dream of swinging on a vine into a temple of an ancient evil, just in time to kick the forbidden scroll from the hand of the cult leader? Do you yearn to play a character dripping in quips, who can stand on the wing of a steadily ascending biplane, and who maybe, maybe just happens to "Kno...... More
£37.99
 
Released 13 June 2025
The Sutra of Pale Leaves Twin Suns Rising Call of Cthulhu RPG
Call of Cthulhu RPG Supplement
Encountering the King in Yellow in 1980s Japan. This Call of Cthulhu supplement takes you to the Japan of the 1980s. It is a time when the generations are at odds, yakuza gangs are thriving, and the traditional world is at war with modernity. Ancient creeds, gods, and spirits vie to keep their to...... More
£34.99
 
Released 27 June 2025
The Leaves of a Necronomicon (T.O.S.)
A Book of Mythos Horror
"What will you discover when you meet this gallery of fools and villains and dreamers?" Joseph S. Pulver, Sr. The Necronomicon. For centuries, scholars of the occult have sought out the darkly fabled tome, hoping to gain insight into the secret workings of the universe—or unbridled power. Instead...... More
£16.99
 
Released 07 February 2023
Sisterhood: Dark Tales and Secret Histories (T.O.S.)
Anthology of sixteen Horror Stories
"In churches and convents and other religious communities, sisterhood takes many forms, forged and tested by such mundane threats as disease and despair, but also by terrors both spiritual and existential—Satan’s subtle minions and the cosmic nightmare of the Cthulhu Mythos. Sisterhood: Dark Tal...... More
£16.99
 
Released 07 February 2023
Pendragon RPG Starter Set
All you need for Adventure in a World of Chivalry and Honour
It is the age of Pendragon! What kind of Knight will you become? This is a game of Arthurian legends. Do you believe in chivalry, or do you think might always makes right? Are you willing to die for your Honor? Will you fight to rid the world of injustice, or use clout and power to take advantage ...... More
£24.99
 
Released 26 September 2023
Pendragon: Core Rulebook
Pendragon RPG Core Rulebook
What Kind of Knight Will You Become? Will you fight to rid the world of injustice, or use clout and power to take advantage of those beneath you? What's Inside Pendragon is set amidst the glory and grandeur of King Arthur’s Britain. Its innovative mechanics drive the emotional impact of pla...... More
£42.49
 
Released 28 June 2024
The Grey Knight: Pendragon RPG
Pendragon RPG Campaign
Challenge Death's Companion! Pendragon: The Grey Knight is a complete campaign, fully compatible with both the Pendragon Starter Set and the Pendragon: Core Rulebook. What's Inside The Grey Knight waits for vengeance, and time is running out! Can you find the treasure that holds the key to ...... More
£21.99
 
Released 21 June 2024
Pendragon: Gamemasters Handbook
Bring Arthur's Britain to Life!
In Pendragon, the Gamemaster is the leader of the game, the source of knowledge, the organizer of society, armies, and the land itself. Without the Gamemaster there would be no game; in roleplaying there is not a more noble act than to take on this great responsibility. What's Inside The Pendrago...... More
£42.49
 
Released 30 April 2025
Arthur The Soldier The Ruin of Britain - Book One
Pendragon RPG Novel
The famous Arthur? I had begun to think you were a legend… A literary novel of Arthurian legend, Arthur the Soldier peers through the myths of King Arthur, and shows what might have been the Dark Age reality—a blooded soldier, returned from distant wars, striving to bring unity and order to the la...... More
£16.99
 
Released 30 April 2025
Rivers Of London The Roleplaying Game
Rivers Of London RPG Core Rulebook
In Rivers of London: the Roleplaying Game, players take on the roles of newly recruited members of the London Metropolitan Police Service’s special magic branch, aka “the Folly.” You will solve mysteries, catch criminals, and come to grips with the “demi-monde”—those who have been irreversibly chang...... More
£51.99
 
Released 20 June 2023
Rivers of London - In Libertys Shadow
Rivers Of London RPG Sourcebook
Take your Rivers of London games to America! London isn’t the only place where magic is returning to the world—On the far side of the Atlantic Ocean, old factions are stirring once again to rub shoulders with brash newcomers to the American “twilight subculture,” aka the demi-monde. • An exclu...... More
£34.99
 
Released 01 July 2025
RuneQuest: Starter Set
RuneQuest RPG Starter Set Magic, Myth, and Might in a Box!
Magic, Myth, and Might in a Box! The RuneQuest Starter Set contains everything you need to play the world’s best roleplaying game of gods, cults, magic, family, and fantasy! In RuneQuest, everyone uses spells and anyone can be a warrior. The gods provide powers to their mortal worshipers, and ...... More
£29.99
 
Released 30 November 2021
RuneQuest RPG Roleplaying in Glorantha
Core Rulebook for the latest version of the classic RPG
Get Started in RuneQuest with beautiful full-color hardcover! RuneQuest: Roleplaying in Glorantha is an all-new edition of one of the world’s most influential and acclaimed fantasy roleplaying games. First appearing almost 40 years ago, RuneQuest is as dynamic and vital as ever. This all-new, del...... More
£42.99
 
Released 06 March 2018
The Smoking Ruin and Other Stories: RuneQuest RPG
RuneQuest RPG Adventures
Into the Wild The Smoking Ruin & Other Stories contains ready-to-play adventures for RuneQuest, taking adventurers across the untamed South Wilds, a region filled with reclusive villagers, ancient ruins, beast folk, troll spirits, undead, wolf-brothers, dinosaurs, monstrous mercenary companies, liv...... More
£31.99
 
Released 25 August 2020

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