Biggest American Cities that start with G on a Map

Name the world's 100 most populous urban areas - with the help of a map!

Guess every major city in the world by guessing any city within 1,000 kilometers. With a map!

For each time zone, can you name the three biggest cities by urban population? When you guess the city, it will appear on the map.

Twenty three cities have hosted the Summer Olympics at least once. Can you click them all without making any mistakes?