Sign in to get custom notifications of new products!
Chaosium was founded by visionary game designer Greg Stafford in 1975. For more than forty years, Chaosium has captivated gamers, readers and mythic adventurers worldwide. Its award-winning roleplaying games, boardgames and fiction have been acclaimed as some of the most engaging and innovative of all time.
The Stars are Right!
Celebrate the 40th anniversary of Call of Cthulhu with this special edition!
What's Inside?
The 40th Anniversary edition of the Call of Cthulhu Keeper Rulebook contains the core rules, background, guidance, spells, and monsters of the game. It is everything you need for Call of Cthulhu at your fingertips.
40th Anniversary Essays
A never-before-printed... [click here for more]
Chaosium's Horror Roleplaying in the Worlds of H. P. Lovecraft
The Old Ones ruled the earth aeons before the rise of man. Traces of their cyclopean cities can still be found on remote islands, buried amid the shifting desert sands, and in the frozen wastes of the polar extremes. Originally they came to this world from the stars. They sleep now, some deep within the earth or beneath the sea. When... [click here for more]
Want to covert an older Call of Cthulhu product for 7th Edition? Don't have time to fiddle through your copy of the Keepers Rulebook?
Get all the information you need from a single free PDF.
These pages are taken from the Call of Cthulhu 7th Edition Keepers Rulebook. You can get the full book here. ... [click here for more]
GUIDELINES FOR PLAYING CALL OF CTHULHU IN SEVEN DIFFERENT ERAS
On release back in 1981, the initial setting of Call of Cthulhu focused upon the “classic” 1920s-era of the early twentieth century — the time of H.P. Lovecraft. It did not take long for players to realize the potential of the game —that it could adapt easily to other time periods.
Over the last thirty-plus... [click here for more]
2018 ENnie Awards Nominee - BEST ART COVER; BEST MONSTER/ADVERSARYSaddle up! Get yourself a posse together and have a look-see what’s over that hill. There’s strange rumors coming in from the whisperin’ desert. You’d best put a round in that iron and make haste!Down Darker Trails is a new setting for Call of Cthulhu—the... [click here for more]
2018 ENnie Awards Nominee - BEST PRODUCTION VALUES
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 for the Call of Cthulhu 7th edition game, including optional Deeper Magic for the most powerful of Mythos sorcerers and monsters,... [click here for more]
Dark Schemes Herald the End of the WorldReanimation of the classic Call of Cthulhu campaign.
The new edition of Masks of Nyarlathotep is a complete revision and updating of this epic multi-part campaign set in 1925, in which steadfast investigators must unravel secrets and battle the minions of darkness in an attempt to stop world-shattering events from destroying... [click here for more]
![The Complete S*H*L Experience [BUNDLE]](https://d1vzi28wh99zvq.cloudfront.net/banners/b_6618_20211008081044.jpg)
Log In 
