斐波那契数列2min速算 Fibonacci sequence calculation in 2 minutes

Name all 50 states in the USA. Easy, right?

For each selected category, name any valid world city with an urban area population of at least 1 million.

Drag the pin onto the correct country. Careful, though! Three wrong moves and the game ends.

Can you spell out the name of the European capital by guessing letters? Watch yourself! After 3 incorrect guesses, you're fully on the "gallows"!