Liverpool Summer 2025 Transfer Window

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

Can you name the countries with the most heavy metal bands, both in total and per capita?

Fill in the map by guessing languages. When you guess a language, all the countries that use it as an official language will be filled in.

There are 16 countries with a population of at least 100 million. Click them all without clicking any incorrect countries.