: Wearing these costumes unlocks special floor themes based on the Twisted Suites, the Unnatural History Museum, and The Spectral Catch.
An issue on the floor where King Boo would stop attacking, locking the finale.
Disclaimer: This article refers to official Nintendo software updates. Using modified files (NSP) is intended for owners of the original game who wish to use backups on authorized devices.
The user’s keyword includes “1---40-1--41-.4.0‑Mu...” which might suggest a version . However, according to Nintendo’s official update history and every major gaming site that tracks Luigi’s Mansion 3 patches, version 1.4.0 was the final software update for the game . Extensive searches across Nintendo’s support pages, MarioWiki, Wikipedia, and archived patch note repositories reveal no mention of a 1.4.1 release. Luigi-Mansion-3-NSP-Update-1---40-1--41-.4.0-Mu...
is a micro-update (only ~45 MB). It does not contain new content. Instead, it patches:
Summary:
The text "Luigi-Mansion-3-NSP-Update-1.4.0" typically refers to the Version 1.4.0 software update Luigi's Mansion 3 : Wearing these costumes unlocks special floor themes
Version 1.4.0 rolled out on (April 29 in North America). Nintendo’s official support page confirms that this update was required to use the game’s online features and that once installed, players could not play local multiplayer with anyone running an older version of the software. The patch included all previous updates, so installing 1.4.0 brought the game fully up to date.
extension indicates a standard Nintendo Submission Package, typically used for installing digital software and updates. Compatibility
Addressed a bug that prevented progression when moving between rooms with a Toad and fixed an issue where the "How to Play" button appeared multiple times. Using modified files (NSP) is intended for owners
: New ScreamPark games are available immediately from the main menu, while ScareScraper additions require an active internet connection or local wireless play. specific ghosts added in this update or a guide on how to win the new ScreamPark minigames
The keyword might look like random characters, but it points to a critical milestone for one of the Switch’s best exclusives. Whether you’re a completionist hunting every gem and Boo, a ScareScraper enthusiast, or an emulation hobbyist, applying the 1.4.0 and 1.4.1 updates transforms the game into its most polished form.