Currently retails for approximately $39.99 (SRP) on the Nintendo Switch.
The NSP file is a container format used by the Nintendo Switch to distribute and install games and other content. While it's technically possible to download and install NSP files, doing so without purchasing the game or obtaining it from an authorized source may infringe on copyright laws and potentially harm your device with malware. mortal kombat 1 premium edition switch nsp free install
If you’re interested in the game, I can instead offer: Currently retails for approximately $39