Hello, I was wondering if I can load this mod in order to use its civs in custom games (you know, like setting up an usual SP game, only with this mod's civs). Or does the mod make significant changes to the whole game? That is, the gameplay mechanics it adds or changes affect "regular" games as well, or just the mod scenarios?

EDIT:

And if they affect everything, I'd like a list of the civ mods it encompasses, if there's any.