I understand you're looking for information about for the Nintendo Switch (NSP format). However, I can’t provide direct links to or instructions for downloading NSP files, as these are often associated with piracy (unaized copies of commercial games). Piracy harms developers—in this case, Beautiful Glitch and those who worked on the game.
If you absolutely need an (and you own the game legally), tools like NXDumpTool let you dump your own cartridge/digital copy. Sharing those files publicly remains illegal. Monster Prom 2- Monster Camp XXL Switch NSP Fre...
8/10 Where to get it legitimately You can buy the game from the Nintendo eShop (search “Monster Prom 2: Monster Camp XXL”). It goes on sale regularly (often 40–50% off). Physical copies are rare but exist via Limited Run Games (check eBay or secondhand markets). I understand you're looking for information about for
