中国人均高速公路最多/少的省区 Provinces with most/least highway per capita

How many countries do you know? In this quiz, you've got 15:00 to name as many as you can. Go!

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

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.