NOTE: COUNTRY ABBREVIATIONS are first THREE LETTERS of country's english name (i.e. SPA for Spain, CZE for Czech Republic) EXCEPT FOR THE FOLLOWING: BRS - Belarus, BLG - Belgium, SLK - Slovakia, SLV - Slovenia, GBR - United Kingdom.
***COUNTRIES WITH UNDER 10 10K+ CITIES ARE NOT INCLUDED***
Quiz is NOT TIMED. "Top Cities" bottom left shows the top # of cities in a row you have guessed starting with the largest and up to 50 - i.e. if it shows a "6" you have guessed the 6 largest cities. Obviously all codes will not be obtainable for all countries, as total cities and populations vary.