Flag quiz to test users the ability to distinguish the flag of the various countries of the world, the test covers five major continents and Oceania.
国旗问答游戏可以测试用户辨别全球各个国家国旗的能力，测试范围包括5个主要大陆和大洋洲。
Flag quiz to test users the ability to distinguish the flag of the various countries of the world, the test covers five major continents and Oceania.
国旗问答游戏可以测试用户辨别全球各个国家国旗的能力，测试范围包括5个主要大陆和大洋洲。