While Chaosium has released an updated, high-quality version of the campaign, the Companion PDF remains a goldmine of supplemental material, optional scenes, and deeper, historical context. Why You Need the Companion PDF
For Keepers preparing to run Masks of Nyarlathotep —widely considered the greatest Call of Cthulhu campaign ever written—the question isn't if you should buy the Companion, but how you ever managed without it. Originally published by Chaosium as a separate supplement, the contents of the Companion are now integrated into the modern 2021 slipcase edition of the campaign. However, for those owning older editions or looking for a digital reference tool, the PDF remains a vital resource.
Specific advice on managing the campaign’s nonlinear nature and high lethality.
To find these PDFs, you can try the following sources:
: New scenarios and side-plots that can be woven into the main global trek. masks of nyarlathotep companion pdf
Active Call of Cthulhu communities on Reddit (such as r/CallofCthulhu) maintain pinned resource threads containing legal links to community-driven Google Drives and archives hosting the file. Tips for Managing the Massive Document
Practical tips from veterans who have run the campaign over its 30+ year history. The "Sand Bat" and "Bloody Tongue" Editions
It includes two extra scenarios set before and during the campaign to provide more opportunities for roleplaying and investigation.
The campaign relies on a massive web of interconnected clues. The Companion includes organizational flowcharts and index tracking systems. These tools help Keepers monitor what information the players have uncovered and what leads remain cold. 3. Alternative Scenes and Encounters While Chaosium has released an updated, high-quality version
: The project originally gained traction through a successful campaign on Kickstarter organized by the fans at Yog-Sothoth.com.
The "Masks of Nyarlathotep" companion PDF is a supplement designed for use with the Call of Cthulhu RPG, a game set in the world of H.P. Lovecraft's Cthulhu Mythos. This guide provides game masters (GMs) and players with a detailed exploration of Nyarlathotep's various masks, agents, and plans, offering a rich source of material for creating engaging and challenging scenarios.
The Companion was born out of the collective wisdom of Keepers who had run the campaign over several decades. It includes:
Whether you are playing like Foundry or Roll20. Share public link However, for those owning older editions or looking
Due to its massive popularity, a Kickstarter campaign was eventually launched to print physical, high-quality hardcover versions of the Companion . This version became a collector's item, offering beautifully typeset pages and streamlined organization. 3. Integration into Call of Cthulhu 7th Edition
: Additional side-quests and NPCs to flesh out the world.
A complete mini‑expansion set in .