Nice quiz! I didn't know much of the oceanian capitals, only the 2 obvious ones. Also Africa is sort of difficult, most of the best known capitals are close to the coast and the rest are not so easy to estimate.
One point of critique: Please accept "Mexico" for "Mexico City".
Almost all quizzes do this and you also accept "Guatemala" for "Guatemala City"
One point of critique: Please accept "Mexico" for "Mexico City".
Almost all quizzes do this and you also accept "Guatemala" for "Guatemala City"