: An .NSP file is a digital game package used by the Nintendo Switch .

: The "(eShop)" tag suggests it is a digital version originally from the Nintendo eShop.

If you are trying to play the game officially, you can find it on the Nintendo Official Store or the Nintendo AU eShop.

: The .rar extension indicates the game data is compressed into an archive to reduce its size (the standard game size is approximately 1.8 GB).