An NSP (Nintendo Submission Package) is a file format used by the Nintendo Switch to install digital games and updates. While these files are used legitimately by the Nintendo eShop, they are also frequently distributed on third-party sites for use with modified (modded) consoles or emulators. Why You Should Avoid "Free" NSP Downloads

: Nintendo has a robust tracking system. If you connect a console to the internet that has played pirated NSP files, Nintendo can permanently ban your device from all online services, including the eShop and online multiplayer.

: Pirated versions often lack the ability to receive official updates, DLC, or stability patches, leading to a buggier experience compared to the official version. The Best Way to Play Age of Calamity