Remember that moment, just as you were about to conquer the final boss in Luigi’s Mansion 3, a pesky little voice piped up, “You’re missing a GEM!” Heart sinking, the reality sets in – there are still secrets to uncover. That’s especially true in the 7th Floor – “The Unnatural,” a haunting, mirror-filled world with a ghostly opera singer as its star. But fear not, fellow ghost-busting gamer, this guide will reveal the secrets of the 7th floor, unlocking those elusive gems and leading you to victory.

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There’s a thrill in exploring every nook and cranny of a video game, unearthing hidden treasures and feeling a rush of accomplishment. The 7th floor of Luigi’s Mansion 3 is no exception, filled with hidden gem locations that test your skills and reward your dedication. From the whimsical world of the 7th floor to its ghostly inhabitants, there’s a captivating charm that makes this adventure truly special.
Navigating the 7th Floor: A Journey through Mirrors and Melodies
The 7th floor of Luigi’s Mansion 3 is unlike any other. It’s a world of twisted reflections, musical mayhem, and a lingering sense of something…unnatural. The floor resembles a backstage area, filled with mirrors and dressing rooms, each carrying its own mystery.
Gem #1: The Lost Melody
This gem is cleverly hidden behind a curtain in the main opera stage area. Your first challenge involves using the Poltergust 5000 to suck up a small pile of dust on the stage. This reveals a hidden switch that triggers a music box to play. Once the music box is activated, a gem will appear, ready to be collected.
Gem #2: The Reflection Riddle
Venture into the Mirror Chamber, a room filled with numerous mirrors that offer a deceptive glimpse of reality. Look carefully for the mirror with a faint, flickering glow. Interact with this mirror, and a ghostly figure will appear on the other side, playfully throwing a gem back and forth. Use the Poltergust 5000’s “Suction Shot” to grab and collect the gem.

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Gem #3: The Dressing Room Mystery
One of the dressing rooms on the 7th floor is home to a pair of mischievous ghosts known as “The Twins.” The room has a series of drawers and a strange, pulsating red light. To unlock this gem, you’ll need to interact with the drawers, using the Poltergust 5000 to carefully open and close them. The red light will react in a predictable pattern – find the right sequence to open drawers and claim your prize.
Gem #4: The Ghostly Opera
As you explore the opera stage, keep an eye on a specific mirror. While observing it, a ghostly opera singer, “Diva,” will appear. Her performance is short-lived, but it does unveil a gem that’s sitting behind the mirror. You’ll have to quickly dart behind the mirror before Diva disappears, picking up the gem.
Gem #5: The Mirror Illusion
The 7th Floor’s mirror world is full of illusions. One specific mirror appears particularly distorted, with the reflection flickering and changing. Use the Poltergust 5000’s “Gooigi” ability to walk through the mirror. On the other side, you’ll find a gem hidden in a corner, cleverly concealed by the distorted illusion.
Gem #6: The Hidden Button
In the back of the main stage area, there’s a small passageway with a series of decorative buttons. Using the Poltergust 5000, suck up the dust on one button, revealing a hidden door. Inside the door, you’ll find a gem guarded by a playful, yet harmless ghost.
Gem #7: The Final Act
After gathering the previous gems, head back to the main stage area. You’ll notice the performance of the opera singer Diva has changed. She’s now in a grand finale, and the curtain begins to fall. As the final curtain drops, a gem will become visible behind it. Grab the gem before Diva disappears.
Expert Tips for Mastering the 7th Floor
- Don’t Be Afraid to Explore: The 7th floor is full of secrets, so don’t be afraid to look behind every mirror, under every table, and in every corner.
- Pay Attention to the Environment: The environment holds clues to the gem locations. For example, the pulsating red light in the dressing room hints at a light-based puzzle.
- Master Gooigi: Utilizing Gooigi’s ability to pass through mirrors and other tight spaces is key to unlocking several of the hidden gems.
7th Floor Gems Luigi’S Mansion 3
The Unnatural World of Gems
The 7th floor of Luigi’s Mansion 3, “The Unnatural,” holds more than just haunted hallways and ghostly illusions. It holds a treasure trove of hidden gems, rewarding the persistent, the curious, and the brave. Every gem unearthed adds to the sense of accomplishment and deepens your engagement with the game. So, embrace those ghostly challenges, and remember, behind each phantom and every mirror, a gem awaits.