Why did you remove population loss? You don't think invading a city (whether in old or new times) could decrease the population by several thousands? Resistence from the country-men, descrimination from the invadors, buildings destruction, spread of disease coz of dead bodies, along with some othe factors...
Btw it says cannot be played with multi-player.. is this valid even if I REPLACED the original civ files with it, and my partner did the same?