Click START to begin - then fill in the 100 squares with World countries (see NAMING NOTE below) based on the categories in the rows and cells. For example, if you are looking at a cell with 'Asia' in its row, and 'Starts With A' in the column, that cell can be filled in with 'Armenia.' Many shortened names of countries are accepted, such as DRC, CAR, UAE, UK, US, etc. Answering a country which doesn't fit in any remaining unanswered cell will end the quiz.
Occasionally a cell may not have a qualifying answer, in which case it will appear blank and be a gimme. After completing the quiz you can simply click RESTART to play again.
Please note that 'star on flag' does not include a representation of the Sun.
Scoring is based on 100 points for each correct (or blank) square, and 5 points are subtracted for every second used on the quiz. So you are rewarded for getting squares quickly, however be careful as not to name a country which doesn't qualify for an open cell.
NAMING NOTE: You must type a '.' (period) after a country name or abbreviation to submit it, to prevent entering a country you don't want to (i.e. Guinea when you want to enter Guinea Bissau). For country naming purposes, the following names are used: Cote d'Ivoire, Timor-Leste.
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Quiz Takers 
No Osaka, Buenos Aires, Manila, Chicago, Paris etc… but Chinese cities like Urumqi and Shijiazhuang are? I mean, I get it… there are a lot of people in China, but something just seems off there.
These cities’ city proper population is not nearly as large as their metro population – and on my site city proper is generally used.
If you don’t live in China, or study China for a few days before, it’s impossible.. who knows which is which outside the well known ones.
Metro pops would be a little easier and less China centric
got 71/100, china is brutal + a couple of misclicks and mixing up where Hyderabad and Bengaluru
WHERE IS OSAKA, SOME SOURCES CONSIDER IT TOP 10 IN THE WORLD
city proper populations per citypopulation.de Japan census it’s only 2.7 million
Nice Quiz, got 71, missclicked 1 in egypt 3 in India, but china is very difficult in the Shanghai and Guangzhou region with the many Markers.