This is where the "NSP" conversation enters the chat. In the world of Switch homebrew, an NSP (Nintendo Submission Package) is the file format used for installing digital titles onto the console’s internal memory.
While the official eShop provides a streamlined, legal purchase method, the "scene" often seeks NSP files for various reasons: custom firmware capabilities, USB installation, or simply bypassing the sluggish eShop interface. But for Arkham City, the existence of an NSP isn't just about piracy; it represents a technical snapshot of the game’s state at launch.
Unlike physical cartridges, which can be updated via internet patches, an NSP file often includes specific versions of the game. For tech enthusiasts, having access to the NSP structure allows for the analysis of how the game runs natively on the Switch hardware without the overhead of the eShop background processes.
Overview
Update summary
NSP vs eShop (official) — practical differences
Installation notes (official eShop)
Installation notes (NSP / sideloaded)
Technical & gameplay impressions after update
Save data and DLC
Legal and safety considerations
Recommendations
Brief troubleshooting checklist
If you want, I can:
A: No. Save files are encrypted per console. No cross-save feature exists.