NSP files are a format used for Switch game files, often associated with digital distributions and game backups. If you're looking to update "MAD RAT DEAD" on your Switch, here are some steps you can follow:
: Unlike traditional platformers, every action (jumping, dashing, and attacking) must be performed strictly to the beat of the music . Reviews from Nintendo Life note that while it can be tricky to master, a "rewind" function helps mitigate the difficulty by allowing you to restart from a specific beat . MAD RAT DEAD ROM NSP UPDATE - Switch Game
If Crypt of the NecroDancer was too slow and Cuphead wasn't weird enough, MAD RAT DEAD is your new addiction. It’s loud, it’s proud, and it proves that dead rats make the best DJs. NSP files are a format used for Switch