Match tiles that are part of the same group. Try to complete all pairings as quickly as possible!
Match cities from the same Balkan country.
Match cities from the same South East Asian country.
Match cities from the same Germanic/Nordic country.
Match cities from the same South American country.
Match cities from the same Central Asian (+Iran+Pakistan) country.
Match cities from the same Central American (+Mexico) country.
Match cities from the same Middle Eastern country.
Match cities from the same Romance European country.
Match cities from the same Soviet Union country.
Match cities from the same West African country.