You have to keep the doors to the Outside from swinging open – no matter what the cost in life or sanity. You have to go wherever the answers are, and do what needs to be done to protect humanity. But do you dare to follow… the trail of Cthulhu?

Here you’ll find official materials as well as useful game resources and play aids. A link to a third-party site doesn’t mean that we agree with or endorse all of the opinions on that site. The resources are available under the Community Use policy, and all are copyright Pelgrane Press Ltd unless otherwise noted.

 

  • Download the Trail of Cthulhu condensed rules PDF by Tony Williams
  • Download the Trail of Cthulhu condensed rules PDF, translated into Korean by W.W.
  • Trail of Cthulhu Cheat Sheet by Yunus Wesley
  • Vade Mecum de Vestigio Cthulhus, a quick reference rules guide by Tony Williams
  • Download a fillable PDF Investigator Matrix.
  • Download a Keeper’s Investigator Ability Matrix (A4) by Tony Williams.
  • Download a Keeper’s Investigator Ability Matrix (US letter) by Tony Williams.
  • Download a fillable Keeper’s Investigator Ability Matrix (A4) by Tony Williams.
  • Download a fillable Keeper’s Investigator Ability Matrix (US letter) by Tony Williams.
  • Download Stunning Eldritch Tales hand-outs.
  • Download a map of the Cleveland Torso Murders by Enrique Esturillo
  • High-resolution maps of Cleveland for the ToC example adventure.
  • Download Arkham Detective Tales hand-outs
  • The Armitage Files handouts (for purchasers of the Armitage Files only). The password of the zip file is how the innocent situations are described at the bottom of p. 37 of The Armitage Files.
  • The Armitage Files Excel spreadsheet of all the NPCs, organisations, places and magical tomes, thanks to Scott C Bourgeois. Download it here.
  • The Armitage Files mind map (note – contains spoilers!), created by Scott Nickell using FreeMind (external link). Download it here.
  • Download the character sheet and other forms as a small PDF.
  • Download the Cthulhu Apocalypse Character Sheet.
  • Download a character sheet formatted for A4 by Przemyslaw ‘Marksjus’ Ryba.
  • Download a two-page character sheet.
  • Download a character sheet that includes the Magic ability from Rough Magicks.
  • Download a simple, black-and-white character sheet with no background.
  • Download another two-page character sheet.
  • Download a fillable PDF character sheet, courtesy of Josh Clark – Myca in our forums
  • Download a fillable PDF character sheet (A4) by Tony Williams.
  • Download a fillable PDF character sheet (US letter) by Tony Williams.
  • Download a Pulp character sheet (A4) by Tony Williams.
  • Download a Pulp character sheet (US letter) by Tony Williams.
  • Download a Purist character sheet (A4) by Tony Williams
  • Download a Purist character sheet (US letter) by Tony Williams.
  • Download an antiqued blank character sheet by Joachim Stjernberger
  • Download an antiqued character sheet with a period male character portrait by Joachim Stjernberger
  • Download an antiqued character sheet with a period male character portrait by Joachim Stjernberger
  • Download an antiqued character sheet with a period male character portrait by Joachim Stjernberger
  • Download an antiqued character sheet with a period male character portrait by Joachim Stjernberger
  • Download an antiqued character sheet with a period male character portrait by Joachim Stjernberger
  • Download an antiqued character sheet with a period male character portrait by Joachim Stjernberger
  • Download an antiqued character sheet with a period female character portrait by Joachim Stjernberger
  • Download an antiqued character sheet with a period female character portrait by Joachim Stjernberger
  • Download Dreamhounds of Paris character sheets with surrealist images by John Potts
  • Download Dreamhounds of Paris character sheet (A4) by Tony Williams.
  • Download Dreamhounds of Paris character sheet (US letter) by Tony Williams.

Adventures and campaigns

  • Download a free adventure by Will Hindmarch, The Murderer of Thomas Fell, as a zip file from here.
  • The RPGGeek GUMSHOE competition-winning Purist adventure, The Keepers of the Woods by Frederick Foulds, is available to download now.
  • Altus Affero is a campaign frame for Trail of Cthulhu, based around an occult journal.

Call of Cthulhu Adventure Conversions

Chaosium and other companies have very kindly agreed to let us put conversion notes for their excellent adventures up here for ToC users. You’ll need the original CoC adventure, of course! Special thanks to Arseny Kuznetsov for this section.

Trail of Cthulhu Adventure Conversions

And the other way around; here, our Trail of Cthulhu adventures have been converted for Chaosium’s classic Call of Cthulhu. You’ll still need the original Trail of Cthulhu adventures to play these!

  • An in-depth review of Trail of Cthulhu by wired.com
  • review of Trail of Cthulhu by orgecave.com
  • review of Trail of Cthulhu by shutupandsitdown.com

Be warned – these links will contain game spoilers, so if you haven’t read the campaign or you’re hoping to play it, don’t read these!

Latest Trail of Cthulhu articles

Ken and Robin Talk About Stuff: Where’s All My Bones Gone?

In the latest episode of their well-organized podcast, Ken and Robin talk character sheet design, [...]

Ken and Robin Talk About Stuff: The Zeppo of the Golden Dawn

In the latest episode of their home run podcast, Ken and Robin talk measurable levels [...]

Ken and Robin Talk About Stuff: The Big Dipper is Weird

In the latest episode of their democracy-advocating podcast Ken and Robin talk changes to Trail [...]

Ken and Robin Talk About Stuff: They Got to Construin’ Verbs

In the latest episode of their sur-Alaskan podcast, Ken and Robin talk small town Oklahoma [...]

Ken and Robin Talk About Stuff: The Power is in the Booties

In the latest episode of their softly treading podcast, Ken and Robin talk gaming high-level [...]

Dark Knowledge of Cthulhu City

Exploring a graveyard under Arkham, detective Martin Harvesson glimpses a hideous goat-headed, cloven-hoofed monster gnawing [...]

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Authors: Kenneth Hite, Robin D. Laws

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Authors: Graham Walmsley, Gareth Ryder-Hanrahan

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Authors: Gareth Ryder-Hanrahan

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Authors: Robin D. Laws, Kenneth Hite, Steve Dempsey

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Authors: Kenneth Hite, Gareth Ryder-Hanrahan, Becky Annison, Helen Gould, Ruth Tillman

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Authors: Kenneth Hite, Adam Gauntlett, Robin D. Laws, Steven S. Long, Emma Marlow, Lauren Roy, Matthew Sanderson, Jeff Tidball, Tristan J. Tarwater, Bill White

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Authors: Robin D. Laws, Kenneth Hite

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Authors: Adam Gauntlett

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Authors: Adam Gauntlett, Jason Morningstar, Robin D. Laws

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Authors: Adam Gauntlett, Lauren Roy, Chris Spivey, Ruth Tillman, Aaron Vanek

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Authors: Adam Gauntlett, Jason Morningstar, Bill White

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Authors: Kenneth Hite

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Authors: Adam Gauntlett

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Authors: Robin D. Laws

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Authors: Paula Dempsey

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Authors: Graham Walmsley, Scott Dorward

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Authors: Kenneth Hite

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Authors: Graham Walmsley

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