NSP files must be "installed" to the console's memory (NAND) or SD card to play.
A blog post about an NSP shouldn’t be this sentimental. But Pokémon Let’s Go, Eevee! is a hinge game—the last mainline Pokémon title before Sword/Shield cut the National Dex, the first to use GO mechanics, a remake that dares to erase random battles. Its NSP is a locked box of compromises and loves. pokemon lets go eevee nsp
Disclaimer: This post is for educational and critical discussion. I do not host or link to NSP files. Please support official releases when possible, and consult your region’s laws before dumping or emulating games. NSP files must be "installed" to the console's