All Jetpunk's Cities

This vague title refers to the source of this quiz: Jetpunk's very own City Reference page. In my opinion you could regard this list of cities as comprehensive list of all meaningful cities in the world that an aspiring geography master could learn - as a basis at least :) And since I am still quite new to quiz-making, I couldn't find out how to colour the cities with no urban population data a different colour (like I would've liked to do). For now all cities that fall into this category are just small specs *but still guessable* > If someone does know how to give seperate colours to dots on jetpunk's svg map maker tool, please let me know!