1 artificial intelligence improvement 2 better and more coherent governance systems, religion improvement, put colonization dynamics in the game: Exchange of colonial goods for money eg coffee, tea, gold. cotton, the possibility of independence of a colony, the possibility of creating puppet states not just city-states, improved diplomacy. military no longer like the military who sleep outside the walls is not realistic, not an aesthetic question I have nothing against stacking only could find more realistic solutions, improved maps more accurate regional sub-maps. thanks for reading