Thank you for the map. I've been looking for one like this. The 3 Planets map included in the current version of C2C is great, but I would love it if this kind of realistic Earth map were also included.
I have been playing it for about a week, and ended up making some changes when I realized that a lot of resources were missing from the map that would be needed for C2C cultures to emerge. For example, the Apache culture can be built because there is Peyote in North America, and the Americans (obviously) have the North American native culture prerequisite. But no one can build many of the other cultures, either because the resources aren't in the right place to build them (no Apples in the British Isles, for example, so Churchill can never build the English culture), or the native culture isn't represented (i.e., no African cultures on the map, so Egyptian can't be built), or both (i.e., no Cows in South America, and no civs with South American native culture).
I went through map and added resources to areas where the real-life culture emerged (for example, Apples in the British Isles for English culture to be built there). Some I didn't know where they existed (the Akkadians, for example, who need Copper), so I had to look them up. Some I fudged on a little. For example, I moved the Akkadians' Copper closer to the Horses of Assyria (who require Copper and Horses), so they could both use the same source of Copper if someone placed the city just right.
After adding resources that were prerequisites for the culture wonders, I gave the Culture (South American) building to Roosevelt's capital to allow S.American cultures to eventually emerge, and did the same with Oceania for Hirohito and Middle Eastern for Gandhi. It's not a great solution. I'm hoping I could impose upon you as the creator of the map to consider a better solution.
I noticed that you picked the starting civs based around the Great Powers during WWII. If that is indeed the case, perhaps it could make sense to add Australia to the map (who could represent Oceania), and Italy. That still doesn't get us any S.American, Middle Eastern, or African cultures, however.
I would be interested in seeing a version of the map that represents the great powers of about 1000-300 BCE. That would certainly give some representation to each of the native cultures, and would allow all of C2C's awesome cultural wonders to be built, if the resources were also available for them.
So my question is, Are you interested in changing the startiing civs, or making a second version of the map with different starting civs, that would allow each native culture to be represented?