Because 1.4.0 is the latest and most stable version, the homebrew modding community has focused its efforts on this update. Popular mods include:
A minor patch following 1.4.0, focusing on:
: Three outfits for Luigi: Amazing Luigi (Magician), Cap’n Weegee (Pirate), and Paleontoluigist (Paleontologist).
To ensure you have access to these features, your Nintendo Switch should download the update automatically if connected to the internet. You can also manually trigger it by: Highlighting Luigi's Mansion 3 on the HOME Menu. Pressing the and selecting Software Update . Selecting Via the Internet to download the latest files. Luigi-Mansion-3-NSP-Update-1---40-1--41-.4.0-Mu...
The represents the definitive version of Luigi's spooky hotel adventure, bringing crucial stability patches, single-player quality-of-life adjustments, and the complete set of multiplayer expansions to the Nintendo Switch. Technical Specifications Game Title: Luigi's Mansion 3 File Format: NSP (Nintendo Submission Package)
Released on April 30, 2020, this was a significant update that introduced the second half of the game's Multiplayer Pack DLC . How to Update Luigi's Mansion 3 | Nintendo Support
Article last updated: 2025 (reflecting final official version 1.4.1). Search keywords: Luigi’s Mansion 3 NSP, Luigi’s Mansion 3 update 1.4.1, Luigi’s Mansion 3 DLC NSP, switch game updates. Did we answer your query about “1.4.0 Mu”? Let us know in the comments below. Because 1
It is possible that:
Resolved a bug that stopped Boolossus from re-forming during battle and an issue where King Boo would stop attacking on the Rooftop.
For preservationists and hardware enthusiasts running Luigi's Mansion 3 on PC emulators like Ryujinx or archived builds of Yuzu, Update 1.4.0 is highly recommended. It offers the best baseline stability, but it requires specific tweaks for perfect performance. Recommended Emulator Settings You can also manually trigger it by: Highlighting
Tricky Ghost Hunt, Dodge Brawl, and Riverbank.
For users playing on Nintendo Switch hardware, the update is typically automatic. For those utilizing emulators, applying the is straightforward.
: Fixes were implemented to prevent the game from freezing when players disconnected while holding keys or capturing ghosts. Speedrunning Impacts
Three new, unique costumes have been added for Luigi, which can be worn in ScareScraper mode. These costumes also trigger thematic ghosts. 2. New Content and Features