When searching for "Pokémon Let’s Go, Pikachu! (NSP)(Base Game).rar," you are looking at a compressed archive containing a file, which is the digital format used for Nintendo Switch games. This specific file is used primarily for playing the game on emulators or modified consoles. File and Game Details
The uncompressed game typically requires about 4.2 GB of space.
This is the standard digital format for Switch titles. It is often preferred over XCI (cartridge dumps) for its ease of handling.
You can run this NSP file on various platforms using specialized software: