I have been on a binge playing CK on multiple levels. HARD/furious, Very Hard/Normal, Normal/normal. Except for the hard/furious game Constantinople has fallen to the Muslims. No real problem with that, it's a game not a history book. My problem is that the Greeks don't seem to be in any rush to take it back. I have watched rebels reduce the great city to a hill fort. Do the Greeks actively attempt to take back the city when it falls, a sort of Byzantine crusade or is it treated just like anything else?