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 SECOND LARGEST city in each grid square. 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 2nd largest city accepted in that square (100 being you named the 2nd largest city). If you guess the largest city it will be based on the ratio of the 2nd largest city's population to the largest.
At the end of the quiz the 2nd largest city will show in each unanswered square, and for those answered the 2nd largest city will be listed next to your score if you didn't answer it.
Quiz Takers 
Hey pollostori, you’ve entered EVERY capital? It’s the exact opposite of what you should be doing…
All 197? The fact that he knows every one of them is impressive, man. I’ll give him major credit for that.
But you’re right.
Leave him alone bro
I wasted more than ten circles before realizing the last capital missing was Taipei. -.-
Same happend to me but with Funafuti. Those Oceania capitals… Now, more than 70 (and I’m being generous) circles on this one and you’re the king of overlaping. 🙂