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Cthulhu Obscura
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Cthulhu Obscura

Suggested Price $4.00

* 200+ copies sold in its first 2 months ! *

This light roleplaying game only needs five differently coloured six sided dice (5D6), a pencil and an eraser.

Do you love the simplicity of Cthulhu Dark, the cosmic dread of Spiralis, but want Investigators to use approaches similar to Fate Accelerated and more dynamic roleplay based on Personality Traits? This is it!

Game features:

1. Quick to learn: complete game in four pages (including cover and character sheet!)

2. Focus on roleplay: Personality traits impact gameplay

3. Free-for-all: please use, modify and share

Cthulhu Obscura works with most Lovecraft / mythos themed adventures, including solo adventures, regardless of original rules set it was written for, thanks to the simple yet dynamic way of performing investigations and overcoming challenges.

All revenues from this game are donated to unaffiliated open source and creative commons projects. 

Some praise for Cthulhu Obscura:

"That's an interesting game. I especially like the Roleplaying As A Team section. Hope it goes well." G. Walmsley (Creator of Cthulhu Dark)

"I love what you've done, how you've incorporated so many of the principles from Cthulhu Dark and all the rest into your distilled vision. The layout is great; just a 4-page booklet I could print on one sheet, including character sheet. I'm such a big fan of Fate Accelerated's Approaches, and I'm glad to see something similar here." A. Sturgill (Creator of Spiralis)

Cthulhu Obscura is based on the works of several RPG giants, mainly S. Petersen (Call of Cthulhu), G. Walmsley (Cthulhu Dark), A. M. Sturgill (Cthulhu Grey and Spiralis), L. Balsera (Fate Accelerated) and J. Hughes (Expanded Cthulhu Dark Character Sheet).

Illustrations from and Font Poor Richard from No copyright infringement intended.

Released under Creative Commons License CC BY 4.0.

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Product Information
File Size:
2.94 MB
Original electronic
Scanned image
These products were created by scanning an original printed edition. Most older books are in scanned image format because original digital layout files never existed or were no longer available from the publisher.

For PDF download editions, each page has been run through Optical Character Recognition (OCR) software to attempt to decipher the printed text. The result of this OCR process is placed invisibly behind the picture of each scanned page, to allow for text searching. However, any text in a given book set on a graphical background or in handwritten fonts would most likely not be picked up by the OCR software, and is therefore not searchable. Also, a few larger books may be resampled to fit into the system, and may not have this searchable text background.

For printed books, we have performed high-resolution scans of an original hardcopy of the book. We essentially digitally re-master the book. Unfortunately, the resulting quality of these books is not as high. It's the problem of making a copy of a copy. The text is fine for reading, but illustration work starts to run dark, pixellating and/or losing shades of grey. Moiré patterns may develop in photos. We mark clearly which print titles come from scanned image books so that you can make an informed purchase decision about the quality of what you will receive.
Original electronic format
These ebooks were created from the original electronic layout files, and therefore are fully text searchable. Also, their file size tends to be smaller than scanned image books. Most newer books are in the original electronic format. Both download and print editions of such books should be high quality.
File Last Updated:
February 05, 2021
This title was added to our catalog on February 08, 2021.
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