Managing multiple NSP files (Base, Update, and DLC) is standard for custom firmware users. Nintendo Switch NSP Combination Install Tutorial
The game has several major updates and expansions that you might be managing: moving out rom nsp update dlc switch game
: A major free update that introduced a Moving In mode for 12 original levels, reversing the gameplay by requiring you to unpack items into specific spots. Downloadable Content (DLC) Managing multiple NSP files (Base, Update, and DLC)