A downloadable RPG

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Into The Valley Of The Unfortunate Undead is my attempt to combine two of my favorite tabletop roleplaying games: Mörk Borg and Cairn. My hope is that by combining the two of them I can create an abomination that achieves some of my favorite aspects of both. Or maybe I’ll just make them both worse… It’s worth a try regardless.

A copy of Cairn is not necessary to play, but is highly recommended for the incredibly useful advice within. Links to the book, the SRD, and more info about Cairn can be found here:

A copy of the Mörk Borg core rules is necessary to play. Find out more about Mörk Borg, the rules, and where to buy the book here:

Work In Progress

This hack is still a work in progress. It is not yet playtested and some of the numbers may need tweaking. In particular the methods for adapting Mörk Borg and OSR monsters might need some work.

If you have feedback please leave a comment! You can also reach out to me on twitter @PerspectiveDesi or talk to me on the Mörk Borg or NSR discords under the name Aen-Sedhe.


Into The Valley Of The Unfortunate Undead is an independent production by Jacob Marks and is not affiliated with Ockult Örtmästare Games or Stockholm Kartell. It is published under the MÖRK BORG Third Party License.

MÖRK BORG is copyright Ockult Örtmästare Games and Stockholm Kartell.

Most of the rules, and some of the text, is taken from Cairn. Cairn is published by Yochai Gal and the text is licensed under a CC-BY-SA 4.0 license.

Cover art and one interior piece are public domain paintings by Ladislav Mednyánszky. One interior piece is public domain art by Gustave Doré. The remaining art is by Jacob Marks and is created using public domain 3D models from various museum collections.

I would like to thank Chris McDowall for creating Into The Odd: One of the primary inspirations for Cairn.

This work is licensed under a CC-BY-SA 4.0 license. Feel free to make your own version as long as you credit me and use the MÖRK BORG Third Party License.


Buy Now$1.00 USD or more

In order to download this RPG you must purchase it at or above the minimum price of $1 USD. You will get access to the following files:

ItVotUU.pdf 23 MB
ItVotUU_spreads.pdf 22 MB
ItVotUU_printable.pdf 1 MB
ItVotUU_booklet.pdf 1 MB

Exclusive content

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Community Copy

Take a free copy if you want! I'm always going to make sure there is an unlimited quantity of free copies.

Payments are appreciated though.


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Under Powers and Scrolls it says to do a Presence test if there are no empty inventory slots, if the character is deprived, or if the character's HP is 0. Is this supposed to be if Grit is 0? Because I'm assuming if HP is 0 the character is dead, although it doesn't explicitly say that anywhere.


This is relly cool! I’ve been thinking bout something similar since Mörk Borgs mechanics aren’t as great as it’s feel!

Is there a character sheet somewhere perhaps?