Click on Shuffle and the name of the Country you are supposed to find will appear in place of "Let's Start".
Click on the feature in the below map, which you think is the right answer.
A popup will appear where you clicked.
If you are sure this is the right answer, then click "Choose".
If your answer was correct or wrong then, a text line will appear accordingly on top of the map as well as a gif will play in the map frame for couple of seconds.
Please, let the gif end before retrying.
Clicking on "Go back" will zoom out the map to intial zoom level (1) and set (0, 0) as center.
If your answer was right, the win counter will go one number up, else the lose counter.
You can try for a country as many times as you like, however, it could cause site to halt.
Shuffling without choosing any answer, will cause the skip counter to count and will not be consider as a lose point.
You tries can be seen in the History on top right corner.
Reset button or refreshing the page will clear everything, including score. The webpage doesn't store any kind of personal information from you.