Image by Year - 21st Century

Name all 50 states in the USA. Easy, right?

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

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

Click the names of the cities which exist in the United Kingdom, but don't click on any ones that don't.