flag mathing

This is matching game, include knowledge, and interest.The game contains national flag.In this game, players will not only have a recreation,but also know more flags.
1，The higher level,the more flags show
2，We hope you can promote your observation with this game.
3, dulcet music, make you feel cheerful.
4, finite time, you need race against time.recognize the flags as soon as possible.
5，There is a ranking list of whole world in the game, try you best to get the best score.