is a file format used by Nintendo for digital game distribution on the eShop. While legitimate NSP files are delivered directly to a console through official channels, "free" versions found on third-party sites are unauthorized copies of the game's intellectual property. Legality and Official Stance According to Nintendo’s Intellectual Property Enforcement Program
: Certain "fake" NSP files released by malicious users are specifically designed to render a console unusable. Legitimate Ways to Play Pokémon Shield
, downloading unauthorized copies of their games—often referred to as ROMs or NSPs—is 100% illegal Copyright Infringement
: Malicious actors may disguise malware as game files to brick consoles or steal sensitive Nintendo Account information. Console Bans