Thursday, 16 April 2026

Recommend me Generators of Underground Worlds

 In my big re-work of ‘Veins of the Earth’, I have begun looking at the systems used for generating the geography of the Veins, the large main routes, smaller areas, etc.

My plan isn’t to fundamentally change the methods from the first VotE, but to re-make them, to make the new versions more of a comprehensive generator, with a sequence of tools to systematically generate a large area, routes, cities, villages, trade routes etc.

Something else I would like to do in this version is gesture to or recommend alternate methods or other ways different people have tried to deal with this non-trivial problem of generating and mapping complex, large three-dimensional spaces underground.


From the first VotE. We won’t be using this layout as it belongs to Raggi but the general concept will likely be similar.



My aim here isn’t to copy but to, in the spirit of a bibliography, directly point people towards alternative possibilities. (I am also planning on doing this with monsters so people can put together their own encounter charts).

So far the only other book I’m intimately familiar with which deals with this specific problem, is Douglas Niles Dungeoneers Survival Guide, which has a neat but somewhat challenging method for isometric mapping.




What other books or works, or even posts, are people familiar with that deal with, specifically; generating and mapping large pseudo-natural underground spaces?

(I know there are a million methods of dungeon and mega-dungeon design, that’s not what I am talking about here.)

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