http://bugs.winehq.org/show_bug.cgi?id=26142
--- Comment #6 from Jay jaynobyl@gmx.de 2013-06-07 13:55:27 CDT --- For me, it happens as soon as I discover the Calendar-Technology which should center the world-map and show you how large it is. Saving and loading the game with native xml3 is a workaround.