Press [Chaosium] Level up your investigations with Chaosium Core on Quest Portal VTT

Michael O'Brien


Chaosium Core at Quest Portal now features a beautiful Library for easy browsing, reading, and searching through the tomes of Call of Cthulhu!

Get access to all the core rule books for Call of Cthulhu and enjoy continuous updates to Quest Portal's Chaosium Library! Over $150 value for only $5/month:

Chaosium Core Includes:
  • Keeper Rulebook
  • Investigator Handbook
  • Malleus Monstrorum: Cthulhu Mythos Bestiary
  • Grand Grimoire of Cthulhu Mythos Magic
And enjoy Call of Cthulhu scenarios available in Quest Portal free of charge:
  • The Lightless Beacon and The Haunting.
Sign up for Chaosium Core Today:
  • Read. Explore the five core rulebooks with a great reading experience.
  • Search. Intuitive and fast search function so you can quickly look something up.
  • Bookmark. Curate your experience, bookmark pages you might need in the session, and keep those rules you might forget within reach. I, for example, have the manias and phobias tables bookmarked!

Get more out of Chaosium Core with Quest Portal Pro​

Supercharge Chaosium Core with Quest Portal Pro’s Library Link! Seamlessly connect the Quest Portal assistant with the Chaosium Library. Access rules, lore, and more instantly!


The Library ensures that you’ll never be left in the dark on your quest for enlightenment. By subscribing to this arcane treasure trove of knowledge, you’ll gain instant access to the most crucial texts from Chaosium’s extensive collection, making your gaming experience more immersive, engaging, and terrifying than ever before.


Library Link​

Embark on a thrilling journey into the dark and mysterious world of the Cthulhu Mythos with Library Link in the Quest Portal Assistant*, your all-knowing Call of Cthulhu companion.

Delve deep into the secrets of the 1920s and unlock the wisdom of the ages as the Assistant brings you the combined knowledge of five essential Call of Cthulhu tomes, all at your fingertips.

* Elder has served its purpose as a phenomenal prototype for the Quest Portal Assistant. Quest Portal couldn’t turn off its servers, so they’re storing Elder under a glacier in Antarctica.

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