10群馬県の市町村（選択形式）

Can you name the capitals cities of all 196 countries in the world?

What are the richest countries in North America and South America based on GDP per capita?

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

For each of these well-known people, try to guess the year in which they died plus or minus five years.