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Hypertellurians is an easy to pick up roleplaying game that is fast and simple to play, while providing a ton of depth for engaging character development and story.

Table of contents


The players portray the Hypertellurians: adventuring the length and breadth of the Ultracosm, in retro science fantasy style. Take control of one of six archetypes, and choose or create a unique concept by layering on fun, inventive, and story-driving powers.

Key principles

Who is it for?

Try Hypertellurians if you like:

  • fast and daring gameplay,
  • quick character generation,
  • compelling character powers,
  • natural language rules,
  • and science fantasy adventures in the future of old!
Excerpt from the Royal

Use with modern and old RPG adventure modules

Hypertellurians is a stand-alone roleplaying game system, but it is compatible enough with most old and modern fantasy adventure games for the GM to convert modules from those systems on the fly.

How to play the game

Lots of art

Enjoy this lavishly illustrated tome, redolent with adventure, and play as cursed shapeshifter, the walking dead, a pilot from a different time, a galvanic war machine, a bratty princess, an excitable half pony, an alien color, or so much more.

Tips for players

Play aids

Includes valuable tips for players and GMs, a 1-spread rules summary, and a choice of 3 character sheets.

 Customers Who Bought this Title also Purchased
Reviews (1)
Discussions (4)
Customer avatar
Jordan B December 04, 2019 3:52 am UTC
I accidentally purchased the pdf only, when I intended to buy the pdf with the hardcover. Is there a way to adjust my order?
Customer avatar
Frank R December 04, 2019 8:29 am UTC
Not quite, but we can fix it. Drop me an email at and I can sort you out with a coupon for the hardcover with the price for the PDF taken off.
Customer avatar
Cristian M October 10, 2019 9:23 pm UTC
Is this compatible with OSR-style systems and products?
Customer avatar
Frank R October 10, 2019 10:27 pm UTC
Yes, very much so. The book contains guidance on how to convert on the fly.
Customer avatar
Benjamin N June 04, 2019 7:18 am UTC
How does the system differ from other OSR systems?
Customer avatar
Luke W May 28, 2019 12:48 am UTC
Any chance that there will be a premium paper version made available? I find it does more justice to full colour art.
Customer avatar
Frank R May 29, 2019 1:16 pm UTC
Possibly—I went with standard because the slightly muted, matte colors go nicely with the pulp aesthetic, but when I'm done with the upcoming conventions, I'll try out premium and see how it compares.
Customer avatar
Luke W May 30, 2019 3:32 am UTC
Cool. I hadn't thought of that.
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Product Information
Silver seller
Publisher Stock #
File Size:
76.92 MB
Original electronic
Scanned image
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Watermarked PDF
Watermarked PDF

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File Last Updated:
April 26, 2019
This title was added to our catalog on May 25, 2019.
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