Before diving into the gameplay, let's look at the technical side. An NSP file is a digital distribution format used by the Nintendo Switch. Unlike XCI files (which are dumps of physical cartridges), NSPs are essentially the same files you would download directly from the Nintendo eShop .
relies heavily on DLC for additional characters (like Yumi, Murasaki, etc.). If the game boots but feels empty, ensure you have installed the corresponding DLC .nsp files. Verify File Integrity: senran kagura reflexions nsp work