Most Populated City in Each County in Rhode Island

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

Can you name all the countries that have ever been members of OPEC, the Organization of Petroleum Exporting Countries?

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.