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Ripples from Carcosa - Softcover - POD

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Three Scenarios Exploring Hastur, Carcosa, & The King In Yellow

“O do not seek to learn or even ask, What horror hides behind…The Pallid Mask!”
--Lin Carter, “Litany to Hastur”

Of all the varied and mysterious Great Old Ones of the Cthulhu Mythos, few ensnare the imagination as easily as Hastur. The image of the silent, deserted city beside a dark, foreboding lake where sinister things lurk is one that stays with the reader. Many of us have walked the twisting streets of that dead alien city in our minds, finding our way into the tall towers to stand before an ancient throne. There sits the King in Yellow, the Lord of Carcosa, who gazes at us from behind his Pallid Mask. It is a journey many of us have taken, whether alone in our dreams or around a table rolling dice with our friends. It is a journey we are about to take again.

RIPPLES FROM CARCOSA expands upon the mythology of “He Who Should Not Be Named” and gathers much of the varied material on Hastur into one place. The first chapter reviews The Great Old One Hastur and his various avatar forms. It examines the Yellow Sign, the play “The King in Yellow”, the Mythos tome of the same name, and the effects these things have on the human mind.

Next within these pages is a trio of adventures pitting investigators against Hastur and his human worshippers. These scenarios can be played as stand-alone adventures or as a linked campaign called “Ripples from Carcosa.” Investigators are provided for each scenario, but keepers should feel free to allow their players to use their own investigators if they so choose.

Finally is information on the Great Old One Hastur and his cults during the Cthulhu Invictus and Cthulhu Dark Ages eras.

Ripples Map

What the Critics Say

"VERY different from the usual CoC campaigns and adventures, but that’s kind of the point... Ripples From Carcosa takes a chance by doing something very different: allowing players to experience three different time periods in one mini-campagin and being different enough from the usual Call of Cthulhu pieces that it stands out as a truly memorable experience."—Diehard Gamefan.

Download the premade characters for the three adventures

Play online with our Licensed Partners

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Product Configuration

Physical Product Settings

Is Physical Product: [L]
Has Inventory: [Y]
United States: [Y]
United Kingdom: [Y]
Europe: [Y]
Australia: [Y]
Canada: [N]

Is PDF Available: [Y]
PDF Product Name: [Ripples from Carcosa - PDF]
PDF Product Link: [/ripples-from-carcosa-pdf/]

PDF Settings

Has Physical Product: [N]
Is Physical Available: [N]
Physical Product Name: [Ripples from Carcosa - POD]
Physical Product Link: [/ripples-from-carcosa-pod/]

Product Footer

Footer Name:[ChaosBrandCthulhu]

Year Released:
Call of Cthulhu 7th Edition
Black & White Softcover
Page Count:
Oscar Rios
Cover Artist:
Jan Pospíšil
Interior Artists:
Bradley McDevitt, Marco Morte, Erik York
Gill Pearce, Steff Worthington
  • Full Star Full Star Full Star Full Star Empty Star 4
    Fun Scenarios - Poor Editing

    Posted by Robert Paul on 31st Jul 2023

    I really enjoyed these scenarios, and how they play out and link together. The King in Yellow is a foundation piece of Cthulhu Mythos, so it's nice to see it used in several different forms. Unfortunately, it could have used another editing pass. There are countless typos and errors throughout. For example, there's a chart of stats for a mob that does not actually appear in the scenario in ancient Rome. It seems like there was one, but it was removed, but none of the references (including that chart) were removed. It doesn't affect the playability, per se, but it's really annoying and feels less professional.

  • Full Star Full Star Full Star Full Star Full Star 5
    Overall very good

    Posted by Unknown on 23rd Sep 2021

    Three scenarios in total, the last one inside isn't as intriguing to me as the other two but still very enjoyable.