: Indicates the game is the North American regional version, meaning it is intended for consoles from that region and features English text/menus.
Files like this are typically used with emulators (like Citra) or 3DS consoles running custom firmware. Since this file originates from a third-party sharing site rather than an official storefront, it is considered a pirated copy. Always ensure you have a backup of your own legally purchased software. rar files or how CIA files differ from 3DS ROMs ? NSMB2-USA-CIA-v16-Ziperto.rar
: A compressed folder format. You would need a program like WinRAR or 7-Zip to "extract" the CIA file from inside this archive before you can use it. : Indicates the game is the North American