Towns beginning with N: guess the country

Name all 50 states in the USA. Easy, right?

This is a list of the 20 countries with the largest surface area. How many can you name in 4 minutes?

Click the countries where a majority of the population is Muslim without clicking any of the ones that aren't.

Click on every square of the world map which contains an urban agglomeration with a population of at least 10 million.