What was Chaosium Core (Legacy)?

Chaosium Core is no longer being offered as a subscription.

For those who already have a Chaosium core subscription - your service will continue,

Chaosium Core is a paid subscription to unlock content from Chaosium.

What is included?

Call of Cthulhu

• Investigator Handbook

• Keeper Rulebook

• Malleus Monstrorum Vol 1 & 2

• Grand Grimoire of Cthulhu Mythos Magic

• Cults of Cthulhu

RuneQuest

• Roleplaying in Glorantha

• Gamemaster Adventures

• Glorantha Bestiary

Pendragon

• Pendragon Starter Set

Can the Assistant access the books?

Yes. If you are a Pro subscriber then the AI Assistant can access the books you unlock with the Chaosium Core subscription.

To make sure the Assistant has access you need to make sure your campaign is set to Call of Cthulhu 7e in the Campaign Settings. If you're unsure how to do this, check out Campaign for guidence.

When the Assistant replies you will see sources attached to the answer anytime it uses the books to create the answer.

What is Chaosium?

Chaosium Inc., founded in 1975 by visionary game designer Greg Stafford, is an award-winning publisher of roleplaying games, board games, and fiction. Best known for its original and innovative games, Chaosium has captivated gamers, readers, and mythic adventurers worldwide for over four decades. The company's notable titles include Call of Cthulhu RuneQuest, Pendragon, and HeroQuest. With a diverse and inclusive team spanning the globe, Chaosium continues to bring untamed imagination to life through its various game lines and products.