Not sure if it is the best way, but I downloaded the images and photoshopped the names out. I then just uploaded the edited images to wikicommons, which are accessible from jetpunk.
Not sure if it was on purpose or not, but kazakhstan is still legible. Great quiz though, it will take me ages to learn the backstories, but im fascinated now. Only made it halfway through (to germany) untill time was up though.
(cant really pick and choose on tablet, even just clicking the next in line often results in accidentally clicking the picture, and when you click the popup away, you are all the way back to the top again..)
Funny how well known countries as Italy, Indonesia or Japan are so low, and other with obvious references in the emblem such as Kosovo, Central African Republic or Maldives are so highly guessed,
(cant really pick and choose on tablet, even just clicking the next in line often results in accidentally clicking the picture, and when you click the popup away, you are all the way back to the top again..)