Flags of the countries - Quiz

This app is perfect for learning the flags of all the countries or for testing your geography knowledge:
 -	Several game modes are available: world quiz, quiz by continent...
 -	And a challenge to test your eye for details!
 -      You can review and learn the flags of all the countries using the list mode.
 -	It contains the flags of 199 countries.
 -	The proportions of the flags are respected.
 -	It is user-friendly.

When playing the quiz, the point of the game is to get as many correct answers as possible, with 3 wrong answers allowed.
When playing the challenge, you have one minute to guess a maximum of 20 flags.

Will you succeed to reach the best score?