Name all members of Bigbang

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

Can you name the countries of the world where at least 50% of residents are Islamic?

Click on every square of the world map which contains an urban agglomeration with a population of at least 10 million.

Can you spell out the name of the US state by guessing letters? Watch yourself! After 4 incorrect guesses, you're fully on the "gallows"!