First choose any World 50K+ city by entering it and choosing it in the drop-down box. Then, name any World 50K+ city in each 100 km circle/ring as the rings expand outward from your city of choice – NOTE – you must enter a period ‘.’ at the end of the city to submit it. The first circle will include your city of choice as guessed. The object in this quiz is to guess the city in the next ring which is as close to the previous city as possible. The closest city will get you 100 points, the farthest away answer, 0 points.

When you run out of time or end the quiz, you will see the current ring’s closest correct answer at right.

For example, if you choose ‘Paris, France’ – you will be shown a circle of radius 100 km centered at Paris and Paris will be selected. You will also see a ring of radius 100 km outside that circle. Naming a city in this ring will cause another ‘ring’ of radius 100 km to appear outside that ring and you will get 0-100 points, depending how close to Paris your city was. If a city is not within the next ring of that distance, the ring will keep expanding by that distance until a city falls within it. So if a city doesn’t fall within 100-200 kms, it will expand to be a 100-300 km ring, then 100-400 km and so on until a qualifying city is found within the ring.

Want to name the largest city in each ring, or more of a challenge with smaller rings?
World 100 Km Expanding Circles Challenge – Choose City | World 50 Km Expanding Circles Any City Challenge – Choose City