This app is perfect for learning all the countries' flags or for testing you knowledge: Several game modes are available: world quiz, quiz by contient. And a challenge to test your eye for details. You can review and learn the countries' flags using the list mode. It contains the flags of the 199 countries. The proportions of the flags are respected. It is user friendly. When playing quiz, the point of the game is to get as many correct answers as possible, with 3 wrong answers allowed. When playing challenge, you have one minute to guess a maximum of 20 flags. Will you succeed to reach the best score?