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Europe City Letter Grid Expert – Choose Letter
DirectionsFirst choose a letter. Then, enter the largest 10K+ city beginning with that letter in each 1 degree by 1 degree grid square. Green squares contain answers.
hugequiz Premium members will see the top 25 missed cities at the end of the quiz as purple markers.
Quiz Takers 
would be good if in fullscreen mode you could see when a certain country is completed
needs more time