If you have a modded Switch or use an emulator, here’s how to properly install Super Smash Bros. Ultimate from NSP files:
: Piracy groups frequently bundle the game as a "complete" package (e.g., "NSP + Update 13.0 + All DLCs") to archive the game's final state, including every fighter from Joker to Sora. Looking Forward While official development on Super Smash Bros Ultimate SWITCH NSP XCI -DLC A...