一枚起請文

Stay calm. But be fast! Because you'll need twitchy fingers and quick thinking to defeat this geography test.

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.

Among these first names, click the ones where the average person in the U.S. with that name is at least 50 years old.