世界：よく似ている国旗 - Flag Quiz Game
Vexillology. It's the study of the history, symbolism, and usage of flags. Even the most learned flag scholars will find this quiz game challenging. It requires you to identify 10 flags that have unbelievably similar counterparts in other counties. To differentiate these flags, you'll need to go by the order of the stripes, and in some cases, even the shade of a particular color. Put on your vexillologist cap and get started…we're hoping you have fun working through this challenging flag quiz game!