No. An update NSP only contains patches. You need the base game (dump or cartridge).
While specific patch notes for the 1.4.1 version often include minor adjustments, the update primarily addresses technical issues reported by the community since its August 1, 2024, release . Thank-Goodness-You--39-re-Here--Update-1.4.1.nsp....
stands for Nintendo Submission Package . It’s the official digital format used by Nintendo for downloadable games, updates, and DLC on the Switch. When you purchase and download a game from the eShop, you’re getting an NSP file — but it’s encrypted, signed, and tied to your console and Nintendo account. Thank-Goodness-You--39-re-Here--Update-1.4.1.nsp....
Fixed specific character-softlock states, including a prominent bug where the traveling salesman could clip through the staff door at Meggs. Thank-Goodness-You--39-re-Here--Update-1.4.1.nsp....