List of countries by Aluminium production

Can you name the capitals cities of all 196 countries in the world?

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

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

Drag the pin onto the correct country. Careful, though! Three wrong moves and the game ends.