新疆维吾尔自治区小测验-Xinjiang Uygur AR Quiz

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

Do you know where all 50 states are located? Fill in the map of the U.S. by correctly guessing each highlighted state.

Drag the flag onto the correct state. Careful, though! One wrong move and the game ends.

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