"Lunistice [0100C2E01254C800][v262144][US].nsp.rar" appears to be a specific filename for a Nintendo Switch ROM (NSP) file, likely shared via file-hosting blogs or piracy communities.
Distributing or downloading copyrighted ROMs is a violation of digital copyright laws. Lunistice [0100C2E01254C800][v262144][US].nsp.rar
is a 3D platformer developed by A Grumpy Fox and published by Deck13 Spotlight. It is highly praised for its: "Lunistice [0100C2E01254C800][v262144][US]
Designed for fast, fluid movement and high-score chasing. Lunistice [0100C2E01254C800][v262144][US].nsp.rar
If you are looking for a to see if the game runs on your system, a free trial is available on the official Steam page.
Downloading files with the extension .nsp.rar from unofficial blog posts carries significant risks: