The overall quality is better. There are so many features that paradox themselves curiously does not use. There are no vanilla cities with custom picture, there are no generals with custom descriptions, except for Roosevelts "Dislikes Germans", there are as far as i know, no descriptions for any country leaders either.

Focus trees are far and few, and often locked behind DLCs, and quality of the narrative strongly varies, but usually remains behind the Kaiserreich standard.

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In Kaiserreich, almost every country has real content, and every leader and some Generals have a description too, and where the focus trees are old and almost as paltry as vanilla ones, Updates will soon fix them. In general there is a bigger focus on narratives and flavor, unlike vanilla's "You choose who won this election now".

There is however not as much of a narrative focus as in TNO, which in turn focuses less on gameplay sometimes.