Crenea: When DnD finds science

[Anarisis]

A friend of mine is building his own post-apocalyptic horror tabletop system, and asked me to make him a world map that he could use for test games. I asked him for a guideline of what he wanted, and I got this:

Using a mixture of the Saderan and Ascension Atlas tutorials, along with some of my own tricks I sent him this:

After getting some feedback and information on where he wanted the cities, this is the finished result:

Officially, that's the final version. But minor changes might go in as he adds highways and smaller settlements.