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Cthulhu Eternal - World War II SRD

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Many men have related hideous things ... which happened on the battlefields ... the shocking, the unnatural, the unbelievable horror from the shadows

 

IMPORTANT NOTE: This PDF contains the text of a full set of rules for a (setting-independent) RPG which embraces Lovecraftian adventures in the time of World War II. In OGL terms it is a “System Reference Document” (or SRD). While the rules contained in this PDF give you everything that you’d need to run a game they are not illustrated, typeset, or furnished with detailed examples as you would expect from a core RPG rulebook. Neither do they describe a particular game world, with a set of monsters, rituals, tomes and the like (although guidelines for building and encountering such elements are fully described).


Cthulhu Eternal is a multi-era, setting agnostic ruleset which aims to support inventive game designers who have original ideas for Lovecraftian roleplaying games or scenarios. It draws upon the long line of D100 games of Cthulhu-themed investigation, offering a beautifully streamlined and elegant set of mechanics to support a diverse range of gaming styles.

Different eras of human history each have their own flavor and character – due in part to the technology available, and in part due to social conventions of the day. Recognizing this, Cthulhu Eternal exists as a family of inter-related rules engines – each based on the same mechanics but tailored to the needs of a specific era.

This version of Cthulhu Eternal is specially designed to support Lovecraftian games set during the Second World War (1939-1945), in any corner of the globe. It can be used for fuel stories of civilian Protagonists thrust into Mythos-related horror and peril as a consequence of the war, or scenarios where players take on the roles of trained military forces who encounter (deliberately or otherwise) ancient terrors amid the fighting. Both groups are equally vulnerable and unprepared when the "Terrors from Beyond" break their chains and are freed upon the world ...

The Cthulhu Eternal World War II SRD aims to support a broad spectrum of different types of Lovecraftian game set during the war years. Whether you want a gritty and historical tone or something more pulpy and high-action, these rules give you the building blocks to tailor a memorable and evocative wartime tale of dread. Whether it's battling for survival behind enemy lines, cracking codes to uncover the nefarious plans of an unscrupulous cult, or flying Spitfires in nocturnal aerial combat with Night-gaunts, these rules have everything you need.

Note: We acknowledge that the real-world events of WWII incorporated their own horrors of human origin -- exploitation, unspeakable cruelty, eugenics and genocide. We stronly believe that such things should never be trivialised by attributing them to a supernatural source. Humans are more than capable of committing evil acts without the help of the Mythos; any game depiction of the war should address these subjects respectfully.

Other versions of Cthulhu Eternal currently available in SRD form:

More titles are planned as future releases.

Contained within the 100+ page PDF, you will find rules covering the following topics:

Part 1: Rules of the Game

  • 1.0          Core Game Concepts
  • 2.0          Creating Protagonists (the term given to player characters in Cthulhu Eternal)
  • 3.0          The Game (skills, tests, willpower)
  • 4.0          Combat
  • 5.0          Equipment
  • 6.0          Vehicles
  • 7.0          Sanity
  • 8.0          Downtime (developing protagonists between adventures)

Part 2: Game Moderator Resources

  • 9.0          Maddening Revelations
  • 10.0        Supernatural Effects

Part 3: Game Building Resources

  • 11.0       Designing New Archetypes
  • 12.0       Translating Creatures from D100 Games
  • 13.0       Gumshoe Creature Conversion

For convenience, this pack also includes two versions of the Cthulhu Eternal Cold War Day character sheet. One is a high-resolution non-fillable PDF, suitable for printing. The other is a fillable PDF sheet which will ONLY work with the full version of Adobe Reader – save the file to a local drive and open it using the Adobe Reader App (using it in-browser or on mobile devices won’t work).

Character Sheet Front Character Sheet Back

WHAT CAN I DO WITH THIS SRD?

We are releasing this SRD to support community creators who would like to produce their own original Lovecraftian RPG creations, but who need a free and open set of rules to serve as a foundation to their own creative endeavors. As such, there are no real limitations on what you can do with this material (other than those described in the Open Game License).

Some examples of ways this SRD could be used:

  • Do you have some old Lovecraftian scenarios sitting around gathering dust for want of a free and open game system to use in their publication? Why not convert the scenario to work with Cthulhu Eternal, release them and direct readers to download this SRD to run them? Or even talk to us about bundling the SRD with the scenario PDF itself?
  • Do you have a fantastic idea for an innovative Lovecraftian game but the thought of having to re-create all the “nuts and bolts” of a game system is a distraction from your high concept? Well, you could always recycle some or all of the mechanics in this SRD to be those “nuts and bolts.” Because the material is virtually 100% open content, you can copy/paste whatever rules you want into your original creation (as long as you release under the OGL and credit us as per the requirements of the license).


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Reviews (0)
Discussions (2)
Customer avatar
March 03, 2023 9:09 am UTC
PURCHASER
The Extras file seems to have been replaced with the one for the Cold War SRD.
Reply
Customer avatar
Dean E March 03, 2023 9:40 am UTC
PUBLISHER
Hey thanks for pointing this out. I have fixed it by re-uploading the correct Extras file.

Initially I thought this was a mistake during our product release, but further investigation suggest a quirk of the way DTRPG works -- if we have an Extras.zip attached to one of our products and a different Extras.zip attached to a different product, the system somehow views them as the same thing. To get around this I am using distinct names for the ZIPs from now on.
Customer avatar
Cristian M February 26, 2023 5:11 pm UTC
PURCHASER
Nice one!

The character sheet in the main pdf says "GAME_NAME Rules Cheat Sheet". I guess that's a placeholder
Reply
Customer avatar
Dean E February 26, 2023 9:05 pm UTC
PUBLISHER
Huh, yes, that is an oversight -- it should say "Cthulhu Eternal Cheat Sheet" (an error that is also in the character sheets for Cold War and Age of Revolutions). We'll fix it and get new versions uploaded.

Thanks for the heads up!
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Product Information
Artist(s)
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Pages
108
Publisher Stock #
cr5006
File Size:
7.72 MB
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File Last Updated:
March 03, 2023
This title was added to our catalog on February 24, 2023.