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Ripples from Carcosa - PDF

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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

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

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Physical Product Name: [Ripples from Carcosa - Softcover - POD]
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Footer Name:[ChaosBrandCthulhu]

Year Released:
Call of Cthulhu 7th Edition
Black & White PDF
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 Full Star 5
    An excellent mini-campaign

    Posted by Franck Florentin on 4th Nov 2021

    I have run all three adventures several times, either as standalone or as a mini-campaign. They are all a lot of fun, and feel "exotic" by being very different historical settings. If you play it as a campaign, I recommend adding another adventure from the Strange Aeons Chaosium supplement: The King of Shreds and Patches. This adventure in Elizabethan London works perfectly between the 2nd and 3rd adventure of Ripples in Carcosa.

  • Full Star Full Star Full Star Full Star Empty Star 4
    At the court of the yellow king.

    Posted by Andrea on 26th Aug 2021

    I really suggest this three adventure set, (which can be used in a campaign, or stand alone) every single one is well written, with good charachters and historical settings. The last one is the only think I didn't like, as is quite complicated for a beginner. better do with a veteran keeper. 8/10

  • Full Star Full Star Full Star Full Star Full Star 5
    What Horror hides behind the Pallid Mask!

    Posted by Rasmus on 11th Apr 2020

    I enjoyed the unusual setup of the campaign with 3 scenarios in 3 different time periods much, they are well written and ideal for groups that don't come together regularily but still want to play connected rounds. All scenarios are rather compact and I had no problems as a rather novice keeper.