This is excellent, I found it very difficult. Admittedly I would have scored better had I been trying to find countries as well as capitals (Read the instructions!). Got stuck trying to find the last capital: Riga, shouldn't have been that hard surely?
the yellow boxes indicating capital cities kept making me think there was a yellow-box answer, as used on other quizzes - is there perhaps a better colour to indicate capital cities, or a different layout or something? great quiz otherwise.
But both at the same time....uaaaarrr! :-))