: A compressed archive format. You will need a utility like WinRAR or 7-Zip to extract the .cia file inside.
: Stands for Region Free . This suggests the game has been patched to work on any 3DS console regardless of its original region. F15LE-USA-CIA-RF-Ziperto.rar
: Indicates the game is the North American (United States) version. : A compressed archive format