How do I play this quiz?

Test your knowledge of world cities with the World 50K+ Cities Triple Grid Quiz. Fill in the squares and challenge yourself to complete the grid!

Do abbreviations or alternate spellings count?

Yes. Most quizzes allow common abbreviations, alternate spellings, and short forms. Try typing just the first few letters — if it matches, it will autofill.

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World 50K+ Cities Triple Blackout

Directions

Fill in the 25 squares with three (or less if less than 3 qualify) World 50K+ cities based on the categories in the top row and the geographical location given in the cell. For example, if you are looking at a cell with ‘Europe’ in its row, and ‘2+ Words’ in the column, that cell can be filled in with ‘The Hague.’ When a cell is completed it fills in green.

Occasionally a cell may not have any qualifying answer, in which case it will be filled in bright green and be a gimme. Cells with two answers left will have a very dark green background, those with one answer left more of an evergreen shade, and finally bright green for those which have been completed. Some cells with only 1 or 2 valid answers will start with a green shade corresponding to how many answers are left.

hugequiz Premium members will see missed answers in red – they will be the largest city which qualified in each cell – only one miss will be shown per incomplete cell.

Enter guesses above to begin.

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Quiz Takers

Chicago Geographer - 8.2K views

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World City Random Grid Blackout Largest City Challenge

Type 'easy' or 'hard' to begin the quiz. Easy is a 15-degree grid, hard is a 10-degree grid. Then, try to name the LARGEST city in each grid square which fits the category label for each square. The grid will be placed randomly each time. To name a city, you must first click on the grid square to make it have a GREEN border. Then, type in the city answer for that square followed by a '.' (a period). You are given a score from 0 to 100 based on your answer's population compared to the largest city accepted in that square (100 being you named the largest city).

LETTER: means the city starts with that letter.
NUMBER RANGE: (such as 2-5, 10+) means the city contains that many letters (excluding spaces and special characters).
POPULATION RANGE: (such as 50-100K) means the city has that range for its population.
2+ WORDS means the city name has 2 or more words (words denoted by a space or hyphen).

At the end of the quiz the largest population missed answer will show in each unanswered square, and for those answered the largest city will be listed if you didn't answer it.

World Circle Population Guess Challenge

You will be shown 10 different circles of radius 250-2000 km. Using the slider (or manually typing into the box below the slider), guess the population contained within each circle then click SUBMIT for each one. Populations are based on world population density at https://human-settlement.emergency.copernicus.eu/index.php.

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World 20 Circle Population Challenge

The object of this quiz is to place 20 circles of radius 1000 km on the map so that they contain the largest total population.

When you begin you'll be given a 1000-km radius circle centered on the map. Move it using the mouse and click SUBMIT. You will be given a score for that circle corresponding to the total population contained within it based on world population density at https://human-settlement.emergency.copernicus.eu/index.php. Try to complete all 20 circles with the highest total score.

Any INTERSECTING areas are only counted one time, so no population will be counted more than once.

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thomasedison42

6 months ago

What are the Top 3 Largest Cities in Argentina by your sources? On most sources I looked at, they seem to be Buenos Aires, Cordoba and Rosario, yet only the first two are accepted and Rosario isn’t.

Author

darin

6 months ago

Reply to thomasedison42

La Matanza (a locality in BA province) is the missing one.

mindofthebrick

1 year ago

whats the highest score you guys have gotten without typing anything? i think mine is 7 lol

gawungis

1 year ago

Why isn’t Sudbury, Ontario, Canada accepted for Canada cities beginning with S?

Author

darin

1 year ago

Reply to gawungis

It’s actually called ‘Greater Sudbury’ – I do accept Sudbury on naming quizzes but for a blackout I can only accept one spelling in terms of if it qualifies for a cell.

cminusmax

2 years ago

Please could you accept Hrodna (Grodno) and Homel (Gomel) for “Starts with H” category, as there’s no letter G (Ґ) in Belorussian.
Also I don’t understand why La Spezia counts as 2+ word city and L’Aquila does not, as L’ represents “La”.

Author

darin

2 years ago

Reply to cminusmax

I can only accept one letter per city on this quiz sorry. Also for ‘2 Words’ on many quizzes such as this, that means contains a space.

Last edited 2 years ago by darin

cminusmax

2 years ago

Reply to darin

Thanks!

Tommygogo

2 years ago

Hi, in one type you have row Europe and on the bottom row UK. So if you happen to start with UK row, you’ll get the same cities in Europe row. Of course this comment is invalid if the criteria fills out random.

Author

darin

2 years ago

Reply to Tommygogo

yes that can happen on these quizzes, but they are random.

Author

darin

2 years ago

issues? thoughts? let me know before I expand to other topics/geographies.

KungChris

2 years ago

Reply to darin

Love it!

Haakon

2 years ago

Reply to darin

It’s great, but I wish more countries were included.

Author

darin

2 years ago

Reply to Haakon

yeah I would like to but countries with fewer 50k cities have lots of blanks for their columns

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