There are a few legitimate (and some gray-area) reasons players seek out the NSP:
Users on forums like GBAtemp have discussed that installing a game like Luigi's Mansion 3 can typically be done without issues using these methods, though some have occasionally run into minor errors, often resolved by updating their CFW or using a different installer.
Luigi's Mansion 3 NSP takes place several years after the events of the second game. Luigi, Mario, and their friends are on a vacation to a luxurious hotel on a tropical island. However, things take a dark turn when King Boo and his ghostly minions invade the hotel, trapping the group and kidnapping Mario and his friends. It's up to Luigi to once again grab his trusty Poltergust G-00 and set out to rescue his friends and capture the ghosts.
Beyond base games, the NSP format is used for downloadable content (DLC), software updates, and game demos. Luigi’s Mansion 3: An Overview of the Content
Interacting with NSP files outside of the official Nintendo eShop environment carries significant risks that every user should understand. Copyright Infringement
A sequel, Luigi's Mansion: Dark Moon, was released on the Nintendo 3DS in 2013, which, while well-received, didn't quite capture the same magic as the original. However, it laid the groundwork for Luigi's Mansion 3, which has now arrived on the Nintendo Switch.
Public forums and third-party sites hosting NSP files frequently bundle downloads with malicious software, adware, or ransomware targeting PCs.
By reading this article, you should now have a good understanding of what Luigi's Mansion 3 NSP is all about and why it's a great game to play on the Nintendo Switch. Whether you're a fan of the series or just looking for a fun and challenging experience, Luigi's Mansion 3 NSP is definitely worth checking out.
