This is the most technical part of the filename. stands for Nintendo Submission Package (or sometimes informally "Nintendo Switch Package"). It is the digital distribution format used by Nintendo for the Switch console. Unlike a cartridge dump (XCI), an NSP file is identical to what you download directly from the Nintendo eShop. It contains encrypted game data, metadata, certificates, and tickets.

If you're interested in "Stacklands" or similar games, exploring official sources or platforms that offer indie games might lead to a satisfying gaming experience while also being supportive of developers.

Stacklands is a base-building game that challenges players to construct and manage their own village, gather resources, and protect their inhabitants from monsters and other threats. The game features a unique blend of strategy, exploration, and RPG elements, making it an engaging and immersive experience. With a procedurally generated world, each playthrough offers a fresh and exciting adventure.

The .rar extension indicates a compressed folder. You must extract this on a PC before moving it to your Switch. : Use 7-Zip or WinRAR.

: This is a compressed folder. You need software like WinRAR or 7-Zip to "extract" the contents inside.