The most critical update came with Version 4.0.0. This patch added the "Heroes in Another Dimension" mode, a challenging post-game expansion that addressed the community's desire for higher difficulty. By patching the game to this version, players gained access to new boss fights and complex puzzle rooms. For those managing their Switch library via NSP files, ensuring the latest update metadata
: Standard retail copies will update automatically if the Software Auto-Updates setting is enabled while connected to the internet. kirby star allies switch nsp update patched