In an era where urban sprawl defines our planet, over half the world's population now calls cities home, with megacities booming like never before. From towering skyscrapers piercing the clouds in Asia's bustling hubs to vibrant cultural melting pots in the Americas, these colossal urban areas are engines of innovation, commerce, and diversity. But with rapid growth come challenges: traffic jams that stretch for miles, air quality battles, and the constant hum of millions living in close quarters. Knowing these giants isn't just trivia—it's understanding global trends, from climate impacts to economic shifts. This quiz dives into the top metropolitan areas by population, blending easy starters with brain-busters to test your geography smarts. Whether you're a world traveler or an armchair explorer, see if you can navigate the urban jungle. With clues ranging from historical events to unique landmarks, you'll uncover fascinating facts about places housing tens of millions. Ready to prove you're a mega-city master? Let's see how many you can identify—your global IQ is on the line!