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World City Grid Challenge – Advanced
DirectionsChoose a number of cities by typing ‘3’, ‘5’, or ’10’. Then, enter the largest number of 50K+ world cities you chose in each 10-degree grid square. Only green squares contain answers. When you have 2 left to go in a square it will fill in faintly yellow, 1 left it will be orangish, and all done it turns red. A time bonus is given for completing a square (it is greater for higher levels).
For example, if you choose ‘3’ for your number of cities to start the quiz, only the 3 largest cities in each grid square will be accepted as answers.
hugequiz Premium members will see the top 25 missed cities at the end of the quiz as purple markers.
Quiz Takers 
There is no way 188 on hardest version isn’t cheating. This is absolutely crazy
There are like 6 people on the world largest cities quiz with 100% on the hardest difficulty. Meaning they answered 9500 cities, all above 50k population. I don’t think this is cheating. Some people are just built differently.
you need to increase the timer on this by a lot, this is basically impossible
you get double time as a Premium member and all players get bonuses for completing each square.
insanely hard
hard