NSPBase had been experimenting with the game's code, creating new characters, stages, and even game modes. But their ultimate goal was to create a version of the game that would surpass the original in every way.

The only universally legal way to acquire the game files for emulation is to dump them from your own, legally purchased copy of the game using a modified Nintendo Switch console.

An NSP (intendo S ubmission P ackage) is the official digital format Nintendo uses to package and install games, updates, and DLC on the Switch. These files contain everything needed for a game to run, including the executable code, graphics, audio, and other assets. NSP files are typically encrypted to prevent unauthorized distribution and modification.

An is a digital file format for Nintendo Switch games. It stands for Nintendo Submission Package . Originally used by developers to submit games to Nintendo, the format is now the standard for digital downloads from the eShop. Unlike XCI (cartridge dumps), NSPs are typically used for digital titles and updates.

Furthermore, downloading files from unofficial sources carries significant risks, including exposure to malware and unwanted software. Always exercise caution and use reputable antivirus software.

Using tools like or DBI for installation will automatically manage the merging of these files, ensuring the base game interacts correctly with the gamepart updates.

The decompression software will automatically detect all subsequent parts in the folder, stitching them together seamlessly.

The NSP base game part is copyrighted material. Discussing its usage applies only to: