International Mathematics Olympiad City Hosts

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

There are 16 countries with a population of at least 100 million. Click them all without clicking any incorrect countries.

Can you name all of the countries to host the Summer or Winter Olympic Games, whilst avoiding the ones that haven't?

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