World 1M+ Agglo Coverage


First enter a difficulty level by typing ‘beg’, ‘int’, ‘adv’ or ‘exp’. Beginner is 500km, intermediate is 250km, advanced is 150km and expert is 100km. Every 1M+ pop agglomeration within that radius will fill in. I tried to include a few cities that may not be the main city of the agglo, but try to name the agglo’s largest/main city.

Enter level to begin ('beg', 'int', 'adv', or 'exp').


  1. in EXP level there seems to be one city not associated with a country. The countries all showed as complete but there is one city in the 1-1.5M category that was holding out the city counter, couldn’t find which one it was.

  2. It’s very strange on the intermediate level…I completed china eventually to reach 129/129 countries but only had 595/596 cities – not sure which country the last city to find was in

    1. hmm i just did a test on it and was able to get all 596 and all the cities. it looks like a couple other people have gotten all 596 too on int level. try refreshing the quiz and hold CTRL when clicking refresh to make sure you have the most up to date data.

      1. Just now I had the same problem as Philip, on INT level had all 129 countries shown as complete but with one city missing. It turned out to be Arequipa in Peru. Once put it the cities count also stopped with the already completed countries counter not changing.

        1. I just tested this myself and it worked fine – said 578/578 when I got all 128 countries. can you by chance record your answers in the order you put them next time and send via the contact form so I can debug this?

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