様々な「日本の中央・へそ」

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

Name the countries that have suffered more than 5,000 earthquake-related deaths in the 21st century.

When you guess a country, all the countries it borders will also be completed. Can you fill in the world map in just 90 seconds?

Which countries have received a Level 4 "Do Not Travel" advisory from the U.S. State Department since the beginning of 2023?