Carlos Ruiz Zafón Bibliography

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

20 random countries have been removed from the map of the world! Can you identify them in 3 minutes?

Click on every square of the world map which contains a country starting with "C".

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