Yes you can join. Just PM Prince Cobra. I think he doesn't mind you helping him.
I'll send the details about the empires to the leading players(if there are more than one) and post the game thread(for IC diplomatic announcements etc) tomorrow. It's quite late in here and I don't want to make any mistakes with the infos.
However, I can tell you how many cities each of you have. These are the cities on your core hexes(not counting colonial cities).
British Empire (2): London, Edinburgh
France (5): Paris, Nancy, Brest, Bordeaux, Marseilles
Italy (3): Rome, Milan, Venice
Austro-Hungarian Empire (4): Vienna, Budapest, Trieste, Lvov(Lemberg)
German Empire (5): Berlin, Königsberg, Munich, Hamburg, Frankfurt
Russian Empire (7): St. Petersburg, Warsaw, Archangelsk, Moscow, Sevastopol, Rostov, Tbilisi
Ottoman Empire (5): Istanbul(Constantinople), Angora, Alexandretta, Erzerum, Baghdad, Jerusalem
United States of America (1): Washington
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