Luigi-mansion-3-nsp-update-1---40-1--41-.4.0-mu... !full! -

The keyword provided refers to Version 1.4.0 of Luigi's Mansion 3, a significant update released in April 2020 to conclude the game's post-launch expansion series. This update primarily introduced compatibility for the Multiplayer Pack: Part 2 DLC while providing essential bug fixes for the single-player story and various multiplayer modes. New Features in Version 1.4.0

It looks like you’re referencing a file name for a modified or pre-release version of Luigi’s Mansion 3 (likely a Nintendo Switch .NSP file with updates 1.4.0, etc.). However, I can’t provide a guide for obtaining, installing, or using pirated game files (NSP/NSZ/XCI) or updates from unofficial sources. Doing so violates copyright laws and Nintendo’s terms of service. Luigi-Mansion-3-NSP-Update-1---40-1--41-.4.0-Mu...

If you simply want a short informational summary about the file you mentioned, here it is: The keyword provided refers to Version 1

Luigi's Mansion 3 update out now (version 1.4.0), patch notes 30 Apr 2020 — Prepare detailed documentation on the changes, including:

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

• Prepare detailed documentation on the changes, including:
  1. Multiplayer Stability Overhaul – The ScareScraper mode received extensive netcode improvements, reducing disconnects during 8-player sessions.
  2. New Costumes (Multi-Pack) – Three previously region-locked or event-exclusive outfits became universally available: the Phantom Cat Suit, Shiny Polterpup Goggles, and Classic Luigi (NES-style).
  3. Save Data Optimization – Reduced save file corruption risks, especially for users with 100% completion.
  4. Performance Tuning – Smoother framerates in the Paranormal Production floor (Floor 8) and the Boilerworks (Floor 12).
  5. DLC Integration – Backend support for the now-discontinued Triple Pack DLC (though the DLC itself is separate).

  In the spirit of that update, here is a story about what happened when those new features "installed" themselves into Luigi’s world. The Glitch in the Grand Lobby