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World's Largest Cities

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How well do you know the world's great metropolises? Test your knowledge of the biggest cities on Earth!

15 quick questionsNo sign-upFree to playTap an answer below to begin ↓

Which city has the largest metropolitan population in the world?

About World's Largest Cities

World's Largest Cities is a free general knowledge quiz with 15 multiple-choice questions aimed at mixed difficulty. How well do you know the world's great metropolises? Test your knowledge of the biggest cities on Earth! A typical run takes about 7 minutes, hints are always one tap away, and your streak ticks up the first time you finish a game on a given day.

A few sample questions

  1. 1. Which city has the largest metropolitan population in the world?

    Answer: Tokyo

  2. 2. Mumbai, one of the world's most populous cities, is located on the coast of which body of water?

    Answer: Arabian Sea

  3. 3. Which is the most populous city in Africa?

    Answer: Lagos

  4. 4. Sao Paulo, the largest city in South America, is located in which country?

    Answer: Brazil

  5. 5. Which European city has the largest population within its city limits?

    Answer: Istanbul

Frequently asked questions

How many questions are in World's Largest Cities?

World's Largest Cities has 15 multiple-choice questions. Each one has four answer options and an explanation that appears after you answer, so you learn something even when you miss.

Is World's Largest Cities free to play?

Yes. The entire SeniorBrainGames catalog — including World's Largest Cities — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.

How long does World's Largest Cities take?

Most players finish World's Largest Cities in about 7 minutes. You can pause between questions, replay it as often as you like, and there is no penalty for taking your time — answers are explained after you submit them.

What's a good follow-up after World's Largest Cities?

If you enjoyed this general knowledge quiz, try the Daily Challenge — five rotating questions, refreshed every 24 hours, that count toward your streak. You can also use the Surprise Me button on the homepage to land on a different game type for variety.

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