Making digital backups of legally owned physical cartridges.
Based on the naming convention ( SAKUMMO3-(USA)-NSwTcH-[BASE]-NSP-Ziperto.rar ), this is likely (often abbreviated or slightly altered in scene releases), a popular action-RPG/farming simulator, in its base form for the US region. 1. File Breakdown SAKUMMO3-(USA)-NSwTcH-[BASE]-NSP-Ziperto.rar
The archive format, indicating the file must be extracted before use. 2. About the Game: Sakuna: Of Rice and Ruin Making digital backups of legally owned physical cartridges
If this is indeed Sakuna , it is a highly regarded game developed by Edelweiss and published by XSEED Games. It combines two distinct styles of gameplay: a popular action-RPG/farming simulator
This is the file format (Nintendo Submission Package) used to install digital games on a Switch.