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This subject is written on a topic in the real world and reflects factual information. This subject contains information from the Expanded Cthulhu Mythos, and not based on H.P. Lovecraft's works directly. The Cthulhu Casebook: A Plethora of Plots and Adventures is a scenario supplement book for the Call of Cthulhu roleplaying game by Chaosium.


Collecting together two of the scenarios from Curse of the Chthonians with the contents of The Asylum & Other Tales, the Cthulhu Casebook also includes a selection of play aids and story seeds along with an article giving hints and tips on fighting the monsters of the Mythos. It is printed in black and white with a full colour cover and 8 colour plates, and runs to 144 pages.


  • "The Asylum" Randy McCall
  • "The Auction" Randy McCall
  • "Black Devil Mountain" David A. Hargrave
  • "Gate From the Past" John Scott Clegg
  • "The Madman" Mark Harmon
  • "The Mauretania" M. B. Willner
  • "Westchester House" Elizabeth A. Wolcott
  • "The Curse of Chaugnar Faugn" William A. Barton
  • "Thoth's Dagger" William Hamblin

Publication History[]

First released in 1990, the Cthulhu Casebook is currently out of print.