Based on the naming convention, this .rar file probably contains:
: You will need a program like WinRAR or 7-Zip to extract the .nsp file from the .rar archive. MASTER-BLASTER-1_2-NSP-ROMSLAB.rar
: This is a specific file format ( Nintendo Submission Package ) used for digital software on the Nintendo Switch. It is the format used for games and updates installed via the Nintendo eShop. Based on the naming convention, this
: Refers to the Blaster Master Zero series, a modern reboot of the classic NES title Blaster Master . The series is developed by Inti Creates and features a mix of side-scrolling vehicle combat and top-down on-foot exploration. Based on the naming convention