: These are "CTR Importable Archives," digital packages used for installing games directly to the 3DS Home Menu.
When looking for Monster Hunter Generations, you will primarily encounter two file types: Monster Hunter Generations 3DS (USA) ROM & CIA ...
To play the game on a 3DS with Custom Firmware (CFW) like Luma3DS, use one of these common methods: : These are "CTR Importable Archives," digital packages