New answers tagged map-making
For my d&d campaign, I use mashupforge.com, which allows you to build an interactive map like the one you gave as an example. As a proof of concept, you can refer to a map of mine, that is currently under construction: Faerun
You can do that with Maptools, you can zoom in and out indefinitely, allowing you to create a map as big as you want. You would just need to zoom out a lot, create basic shapes for continents, landscapes, etc. Then zoom in to create the cities and whatnot, and zoom even more (to "ground level") to set the details, such as houses, trees, etc. It would ...
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