This specifies the North American (USA) region of the game. "Base Game" indicates this is the core software and does not include separate update files or DLC, though Persona 5 Royal on Switch naturally includes most previous DLC on the cartridge. Game Overview
Large Switch games are often split into smaller "parts" to bypass file size limits (like the 4GB limit on FAT32 SD cards) or for easier uploading. You must have all parts (Part 1, Part 2, etc.) in the same folder to successfully extract the final playable .nsp file using software like 7-Zip or WinRAR. Persona 5 Royal (NSP)(US)(Base Games).part3.rar
This is a standard file format used for Nintendo Switch digital games. These files are typically intended for use on modded Switch consoles running custom firmware (CFW) like Atmosphere or on emulators like Ryujinx or Yuzu . This specifies the North American (USA) region of the game
Persona 5 Royal is the definitive, expanded version of the original 2016 JRPG. Persona 5 Royal Nintendo Switch Review You must have all parts (Part 1, Part 2, etc