Luigi's Mansion 3 tasks players with exploring the spooky Last Resort hotel to rescue Mario and his friends from King Boo. The second floor, known as the Mezzanine, contains six hidden gems that require clever use of Luigi's Poltergust G-00 gadgetry to uncover. Finding every collectible on 2F helps completionists unlock special gallery rewards and master the game's intricate environmental puzzles.
Uncovering the Red and Blue Gems in the Dining Areas
The Red Gem is located inside the restaurant area on the second floor, hidden behind a secret door mechanism. Players must send Gooigi through the nearby fence structure to interact with a hidden switch that opens the secret compartment. Once the mechanism activates, the Red Gem pops out into the main dining area for easy collection.
To locate the Blue Gem, head into the kitchen area and locate the large walk-in freezer door on the left side. Use the Suction Shot on the freezer door handle to pull it open and step inside the cold room. The Blue Gem sits trapped inside a giant ice cube on the shelf, which Luigi can melt using the stove burners in the main kitchen space.
Locating the Green and Purple Gems in the Entertainment Rooms
Finding the Green Gem requires visiting the dressing room area where a hidden panel conceals the prize. Luigi can use the Suction Shot to yank open the locked wardrobe doors and reveal a hidden passageway behind the clothing. Blowing vacuum air onto the internal wheel mechanism will drop the Green Gem directly onto the floor.
The Purple Gem resides inside the game room where players can interact with the billiards table and wall decorations. Use Luigi's vacuum power to spin the sword decoration mounted on the back wall until the shield opens up. The gem will immediately fall out of the wall compartment, allowing you to quickly add it to your collection.
Securing the Yellow and White Gems in the Restrooms and Corridors
The Yellow Gem is positioned in the hallway near the dining entrance, hidden behind a decorative wall painting. Players must flash the Dark-Light Device at the blank picture frame on the wall to reveal the missing gem artwork. Once the painting materializes completely, the physical Yellow Gem drops down to the hallway floor.
To collect the White Gem, head into the second-floor restroom and use Gooigi to bypass the blocked piping. Have Gooigi slip down the floor drain to reach the lower pipe valve and turn off the flowing water stream. Luigi can then safely open the corner closet using his Suction Shot to capture the final White Gem on 2F.
Essential Tips for Efficient Gem Hunting on Floor 2
Many 2F gems rely on abilities unlocked later in the single-player campaign, such as the Dark-Light Device and Gooigi summoning. If you cannot access a specific hidden area right away, mark the room on your map and return after progressing further through the hotel floors. Re-visiting earlier floors with an upgraded toolkit ensures you gather all six collectibles without frustrating backtracks.
Observing small environmental details like loose wallpaper, strange shadows, and unlit lanterns often points directly to hidden gem puzzles. Using Luigi's Strobe Light on dark spots or green sensors frequently reveals secret compartments throughout the Mezzanine floor. Combining patience with thorough scanning of every room guarantees complete status for this floor's gem collection.
