Another instance of the above. Babylon's last city fell and I got the "Babylonian civilization has been destroyed!" message but he stuck around anyway. I opened up the World Builder and erased his two galleys and his name was immediately taken off the scoreboard (And I was promptly given a duplicate of the destroyed message amusingly enough, so it said it twice) It's very much like "Require Complete Kills" is turned on, but it's not. Did some new option or addition/change somehow turn this on or introduce something similar?