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 Hottest Horror from Kortthalis Publishing
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A Green Jewel They Must Possess

A Green Jewel They Must Possess


This short investigative horror scenario takes its name from the early 80s animated film Heavy Metal.  It's an homage to H.P. Lovecraft as is my own investigative horror RPG The Outer Presence. A green glowing sphere has been found in what was Sumeria.  It's both extremely powerful and dangerous.  The investigators have a chance to claim it before others can get...   [click here for more]
Kortthalis Publishing  $3.00

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Advanced Crimson Dragon Slayer

Advanced Crimson Dragon Slayer


"D&D in arcade mode!" ~ Prince of Nothing This is my own heavily house-ruled hack of B/X and 5e, suitable for one-shots, convention games, virtual play, and even face-to-face campaigns.  I'm currently 16-sessions into my Crystals of Chaos campaign set in the eldritch, gonzo, science-fantasy, post-apocalyptic world of Cha'alt.  Check out my session reports on Venger's old school...   [click here for more]
Kortthalis Publishing   FREE 

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Dead God Excavation

Dead God Excavation


"This thing is pretty f#cking Lovecraftian!" ~ Abdul Alhazred Dead God Excavation is a short adventure for characters between 1st and 3rd level.  I happen to think it's perfect for kicking off a gonzo, eldritch, science-fantasy campaign.  If you incorporate this into your "session zero"... respect, hoss! This scenario was written for Crimson Dragon Slayer...   [click here for more]
Kortthalis Publishing  $2.50

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Blood Dark Thirst

Blood Dark Thirst


All the bloodsucking, none of the baggage! This is a complete vampire RPG where you get to play demonic bloodsuckers stalking the night, feeding on mortals, and reveling in the dark, pre-apocalyptic cities of the modern era.  Whether you're good, evil, or just out for yourself is completely up to you... but every choice has a price. Blood Dark Thirst uses the VSd6 system,...   [click here for more]
Kortthalis Publishing  $4.00

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La Bas Chartreuse

La Bas Chartreuse


This is neither an adventure nor campaign setting, but a place where Lovecraftian horror happens! There's a monolith and nearby stairway down into the earth.  La Bas Chartreuse contains various scenario seeds with specifics that can be used to flesh things out.  You'll also find several random tables, a couple of which can be used in many, many investigative horror and eldritch...   [click here for more]
Kortthalis Publishing  $2.00

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The Outer Presence

The Outer Presence


Want to dig into something chartreuse, slimy, and covered with tentacles?  My latest work, Cha'alt, is right over here: https://www.drivethrurpg.com/product/284600/Chaalt _______ This is both a self-contained, investigative horror RPG and "weird tales" scenario set in 1970's New Guinea.  Funded via Kickstarter with the help of Chris Ayotte, Anthony DiNovo, and...   [click here for more]
Kortthalis Publishing  $10.00 $5.00

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Loathsome Secrets In Amethyst

Loathsome Secrets In Amethyst


This is the latest in a long line of Cha'alt scenarios.  Unlike the vast majority, this one is for higher level (4th and 5th) PCs, but like anything, it can easily be adjusted on-the-fly. I used Midjourney A.I. to create almost every piece of artwork in this PDF. At the end of Loathsome Secrets In Amethyst, you get a massive d100 table for infernalizing an item...   [click here for more]
Kortthalis Publishing  $4.00

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His Flesh Becomes My Key

His Flesh Becomes My Key


Warning: there are mature themes and cosmic alienage within... madness may result. This is an eldritch pulp / investigative horror scenario for The Outer Presence roleplaying game, suitable for experienced characters.  It works just as well for the 1970s as it does for 2017.  Converting the adventure to your system of choice should be a snap. Within the scenario, investigators...   [click here for more]
Kortthalis Publishing  $3.00

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