Shadows of Yog-Sothoth (Campaign)

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This article is about the Call of Cthulhu campaign. For other uses of Shadows of Yog-Sothoth, please see Shadows of Yog-Sothoth (Disambiguation).


Author(s): Marc Hutchison, Sandy Petersen, John Scott Clegg, John Carnahan, Randy McCall

Artist(s): Tom Sullivan

Setting: 1920s

Appears in: Shadows of Yog-Sothoth, Cthulhu Classics

Comments / Trivia

  • The favourite campaign of Sandy Petersen.
  • Winner of the 1985 Games Day Award for Best Role Playing Adventure and the 1982 Game Designer’s Guild Select Award.
  • Chaosium are working on a 7th Edition at present - estimated to ship near the end of 2020 - Facebook thread (look for a comment by Rodrigo Martinez, and a reply from Scott David Aniolowski).


Spoilers - Keepers Eyes Only

Players should not read any further.


A sinister occult secret organisation led by the wizard Carl Stanford plans to raise R'lyeh and summon Cthulhu.


Keeper Comments

Keepers should spend time ahead of the Campaign coming up with specific details about the motivation of the Order, and specifics about the Arc of Vlactos, the R'lyeh Disc and the R'lyeh Spell. This will help create more consistent links between the scenarios than those found in the campaign.

You are also recommended to read through Nameless City, Nameless Terrors, which can be included in this campaign as a source of the R'lyeh Spell.

There is also a tie-in character and a tome description for Rituals and Arcane Wisdom for Keepers of the Silver Gate in the Miskatonic University sourcebook

You can find some keeper's notes on the campaign at Call of Cthulhu Scenario Reviews - Part 1, Part 2