Airline Callsigns - United States

There are 78 different names for the currencies used by the different countries of the world. How many can you name?

Try to name the countries that have the greatest number of active military troops.

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

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