Spreadsheet of Ozymandias civilizations[docs.google.com]

This is just a share of my analysis spreadsheet. Feel free to make a copy for your own use.

The first sheet is just a list of every civilization on every map in the game with its difficulty and culture. There's a "won" column and custom formatting that will mark the whole line green if "ok" is in that cell for use as a checklist. I use my copy of this to get the achievements in difficulty order.

This lists each culture's advantages and disadvantages in a tabular format, highlighting the positives and negatives.

This is a tabular list of cultures and difficulties, showing counts of the intersections. (For instance, all five of the mercantile civs are Hard difficulty.