These files are generally used for installation on custom firmware (CFW) Nintendo Switch consoles or for emulation using software like Yuzu or Ryujinx.
Based on the naming convention, NINO-KNIRK-PE-NSwTcH-[BASE]-NSP-Ziperto.part1.rar refers to a split archive file for a Nintendo Switch game (NSP format) distributed via the website Ziperto. NINO-KNIRK-PE-NSwTcH-[BASE]-NSP-Ziperto.part1.rar
Ziperto is a known repository for Switch NSP/XCI files. These files are generally used for installation on