Countries that have their own flag Emoji in au by KDDI

Can you name the countries with the most heavy metal bands, both in total and per capita?

Name the three countries which intersect in each of these maps.

Fill in the map by guessing languages. When you guess a language, all the countries that use it as an official language will be filled in.

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