Whenever I try to play one of my games the controls to the left appear, but the actual game map does not show up. I can still message other players, buy and sell on the stock market, and build units from the province administration button, but the game map does not appear. All I get is the background image.
Game controls appear, but game won't
Have you tried reloading /deleting cache and cookies? if this does not help please send in a bug report then a GO gets all the details of your map to see if they can find a cause.