In terms of raw gameplay, New Super Mario Bros. U Deluxe runs at a locked on both formats. However, there are subtle technical differences:

A: Yes, using Checkpoint or JKSV . Saves are universal regardless of format.

Disclaimer: This article is for informational and educational purposes regarding game performance and backup creation. The author does not condone piracy. Always purchase official copies of Nintendo games to support the developers.

Running the game as an NSP can slightly reduce loading screens when launching levels, though the difference in a 2D platformer like this is minimal.