Luigi-mansion-3-nsp-update-1---40-1--41-.4.0-mu... May 2026

For users managing digital backups or using emulators like Yuzu or Ryujinx, the Update 1.4.0 NSP is the definitive version.

: Three new games were added: PuckStravaganza (air hockey), Floaty Frenzy (water-based race), and Desperate Measures (sand-balancing challenge).

The 1.4.0 patch addressed several "soft-lock" issues that could prevent players from completing the main story: Luigi-Mansion-3-NSP-Update-1---40-1--41-.4.0-Mu...

: Addressed an issue where players couldn't progress if they defeated Polterkitty and grabbed a gem simultaneously in the Garden Suites.

: Five new types of rare ghosts were introduced to the ScareScraper mode, providing new challenges for players aiming to complete their gallery. For users managing digital backups or using emulators

: Fixed numerous issues where keys would appear in unreachable locations or players would be unable to progress after a teammate disconnected. Technical Specifications (NSP/XCI)

: Luigi can now wear the Amazing Luigi , Paleontoluigist , and Cap’n Weegee outfits in ScareScraper mode. : Five new types of rare ghosts were

Update 1.4.0 significantly expanded the game's multiplayer capabilities and added special features for long-time players.