This application that you can memorize the name and position of the geography of the world you want to remember as common sense.
You can learn mountain ranges, lakes, deserts, oceans, peninsula, bay, basin, river, mountain, desert, strait and so on.
The problem is divided into categories, so please challenge each.

If you want to reduce the time, you can set the next quiz automatically if you answer correctly.
(Please turn on "SKIP" from setting screen.)

· About Clear
With each category, you can clear the problem to the end.
If you make 10 mistakes, the quiz will automatically end.
The rank will be displayed depending on the clear time, so please do your best to aim for the master by all means.