: Nepal is the only country in the world with a non-quadrilateral national flag, featuring two stacked triangles. Switzerland and Vatican City are the only two countries with perfectly square flags.

Flag quizzes have surged in popularity thanks to interactive platforms like GeoGuessr , which offers difficult versions that challenge users to distinguish between nearly identical flags, such as those of and Mali . Social media trends on TikTok also feature "Guess the Flag" filters and challenges, making geography fun and accessible for a younger audience. Fascinating Flag Trivia

: Colors are rarely chosen at random. For example, in the South African flag, black represents the people, green the land, and yellow the natural resources.

To ace your next flag quiz, it helps to know the "rule-breakers" and unique designs that stand out from the standard rectangular format: