Guess the mystery country with hints #119

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

In 90 seconds, make every country disappear from the map by typing both its first 2 letters and its last 2 letters.

20 random countries have been removed from the map of the world! Can you identify them in 3 minutes?

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