Recognizing 106 of the most well-known World flags can be challenging. Have you seen the flags of Chad and Rumania? Except for very slight shade differences between the blue, yellow, and red stripes, the two flags are identical! Senegal and Mali are another tricky pair—their flags look the same, except Senegal’s has a green star in the center. This flag quiz game is great at helping you lock in those visual distinctions. And with that many flags to memorize, an engaging geography study aid like this will be your best tool in building your World flag knowledge.