Embarking on Luigi’s Mansion 3, you’ll find yourself in a world filled with ghosts, puzzles, and a plethora of hidden gems known as 15f gems. These elusive treasures are scattered throughout the game, offering a mix of challenges and rewards. Let’s dive into the world of Luigi’s Mansion 3 and explore the locations of these captivating 15f gems.
Before we begin, it’s crucial to understand that 15f gems are not your typical collectibles. They require a keen eye, strategic thinking, and sometimes, a bit of luck to obtain. Each gem is hidden within a puzzle or a secret area, adding an extra layer of fun to the game.

Early Game 15f Gem Locations
In the initial stages of the game, you’ll find 15f gems in the Haunted Mansion, the first area you’ll explore. These gems serve as a gentle introduction to the challenges that lie ahead.
As you progress, you’ll notice that some gems are easier to find than others. However, each one offers a sense of accomplishment once you’ve successfully claimed it.
Haunted Mansion – First Floor
The first 15f gem can be found in the Main Hall. After defeating the Boos, look for a painting on the wall. Use your Poltergust to pull it down, revealing a hidden gem.
Another gem is located in the Dining Room. After clearing the room of ghosts, look for a chandelier with a gem hanging from it. Suck it up with your Poltergust to claim your prize.

Haunted Mansion – Second Floor
In the Library, you’ll find a gem hidden behind a bookshelf. To access it, you’ll need to solve a simple puzzle involving moving books around.
For the next gem, head to the Billiards Room. You’ll find a gem on the pool table. To reach it, you’ll need to use your Poltergust to move the pool cues and create a path.
Mid-Game 15f Gem Locations
As you venture deeper into Luigi’s Mansion 3, the challenges become more complex, and the rewards become more satisfying.

The following gems require a bit more exploration and puzzle-solving, but the sense of achievement you’ll feel upon obtaining them is well worth the effort.
Forgotten Highway
In the Gas Station, you’ll find a gem hidden behind a locked door. To unlock it, you’ll need to find three hidden keys scattered throughout the area.
Another gem is located in the Abandoned Cabin. To reach it, you’ll need to solve a puzzle involving moving crates and creating a path to the gem.
Cat Shoppe
In the Cat Shoppe, you’ll find a gem hidden in a secret room. To access it, you’ll need to find a hidden passage by moving a bookshelf.

The next gem is located in the Cat Tower. To reach it, you’ll need to solve a puzzle involving moving platforms and avoiding lasers.
Late Game 15f Gem Locations
As you approach the final stages of the game, the challenges become more intense, and the rewards become more valuable.
The following gems are some of the most challenging to obtain, but they offer a great sense of accomplishment once you’ve successfully claimed them.
Final Battle
Before facing the final boss, you’ll have a chance to obtain the last 15f gem. It’s located in the final room of the Haunted Mansion, hidden behind a locked door. To unlock it, you’ll need to solve a complex puzzle involving moving platforms and avoiding hazards.

Once you’ve obtained all 15f gems, you’ll unlock a special ending and a new game mode, adding hours of additional gameplay to Luigi’s Mansion 3.
Embarking on this gem-hunting adventure is just one of the many reasons why Luigi’s Mansion 3 is such a captivating game. Each gem is a testament to the game’s clever design and commitment to providing a fun and engaging experience. So, grab your Poltergust and get ready to explore the world of Luigi’s Mansion 3 – the 15f gems are waiting for you!




















