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Once gamers have completed every stage in Old Clockworks mansion, they’ll move on to Secret Mine. This mansion only has three missions, but that doesn’t mean players will simply breeze through it. Secret Mine is a huge manor with various basement levels and dozens of floors, so it won’t be an easy task to find every Boo hidden inside.
While normally gamers would have to capture a total of fiveBoos in a mansion, this time around, they will only have to find three Boos - one per mission. For those who are having trouble locating each one of these tricksters, this guide will point them in the right direction.

Secret Mine Boo Locations
Here are the locations of the three Boos hidden in Secret Mine:
Boofoon
Terminal (B1)
After getting thekey from the Airway (B1), return to the Terminal room. The mirror has been covered by a cloth; remove it and check the reflection. Use theDark-Light Deviceon the barrel, which is only visible in the mirror, to reveal Boofoon.
Booger
Chalet (F1)
As soon as you start this mission,inspect the spot on the right of the fireplaceto uncover a missing rocking chair. Use thePoltergust 5000to get the spirit balls and reveal Booger.
ParaBoola
Deep Hall (B3)
There used to be a pot by the campfire, but it is no longer there. Reveal it with theDark-Light Device, then use the Poltergust 5000 to move it over the fire and bring it to a boil, which will cause the Boo to pop out of it.
Reward for Finding All Boos in Secret Mine
Once players have found the three Boos inside the mansion, they’ll unlock Severe Infestation, Secret Mine’s bonus mission. Whenever gamers capture all the Boos in a mansion, they’ll gain access to a bonus mission. These levels are crucial for players who want toobtain the three Professor E. Gadd Medals; the requirement to get one of the medals is to get a 3-Star ranking on all the missions in the game, and this includes bonus missions.



