The specific naming convention in your search reveals technical details about how Switch files are categorized in unofficial communities:
Play billiards against unique characters! Fun play in a magical space!! With a support line that shows the trajectory of the ball, MULTIVERSEPOOL | Nintendo Switch download software Download MULTIVERSEPOOL [01004BF019296000][v0][US] nsp rar
This indicates the base version of the game without any additional patches or updates. The specific naming convention in your search reveals
This is a compressed archive. You would typically need a tool like WinRAR or 7-Zip to extract the actual .nsp file from it. Risks of Unofficial Downloads This is a compressed archive
While finding a specific digital file like may seem like a shortcut to playing, it is important to understand what this file represents, how it works, and the safer, official ways to enjoy this title. What is MULTIVERSEPOOL?