Countries that are Federations

Name the twenty countries whose residents have the lowest median age.

Name the seven countries that the Andes pass through.

Evil aliens have decided to kill everyone on Earth! Fortunately, they've given you two minutes to save as many as you can. All you have to do is name a country to save everyone in it.

Drag the flag onto the correct country. Careful, though! One wrong move and the game ends.