Top 20 Countries with Ali as Surname

Can you guess these countries based on their continent and the first letter of their name?

Can you name the 15 most populous South American cities with the help of a map?

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.

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