More cities means more territory and a higher score, more units "free", more science, more taxes, more advances, more armies. It's the whole point of the game. I honestly don't know Sid's background, but it sounds like he went to college and studied his history and anthropology. A "civilization" has cities and writing {Rome, Greece, China}, while an archeological culture lacks one or both. Did anyone read "Saucer" a couple of years ago? The idea behind the plot is a kind of cultural evolution where discoveries and inventions lead to not only larger populations but higher percentages of "excess" population {not directly involved in food-getting} of experts, scientists, artists and leaders, who create ever-higher technologies which enrich and expand the civilzation further, in a kind of feed-back loop. The Civ games personify this philosophy. Or am I being obtuse? {and verbose} So if it's just a kriegspiel to you, go ahead and raze that city {you hun!}. But if you're like me; wise, godlike and just, than be responsibleto the little trons and build them a civilization to stand th.........