World Flags is a tool/lib designed to help developers to easily get the flag sprite for any country they need. And you can easily get a list will all countries and select any one of them you need and you can easily view the flag in UI image or as sprite in texture.
Features:
-Flags of 253 Country optimized (png100px).
-There is also a C# script library to search and get your flag with country short code.
-Works with unity 4 and unity 5.
-Simple and easy to use.
-Demo included.