: These files are typically installed using homebrew tools like FBI or GodMode9 .
: Once installed, the game appears as a launchable icon on the console's home menu, just like a digital download from the Nintendo eShop. Download Cave Story 3D (EU) | CIA File | 449M
A file acts as an installation package for the 3DS, similar to an .exe or .msi file on Windows. : These files are typically installed using homebrew