luiginumberone

Check your Game Boy Horror map for the locations of the rooms...

Parlor (2F) - "Bamboo"
Waiting Room (2F) - "Bootha"
Closet (2F) - "GameBoo Advance"
Study (2F) - "TaBoo"
Nursery (2F) - "Turboo"
Ballroom (1F) - "Boo La La"
Storage Room (1F) - "GameBoo"
Mirror Room (1F) - "Kung Boo"
Laundry Room (1F) - "Boogie"
Hidden Room (1F) - "GumBoo"
Conservatory (1F) - "Boomeo"
Dining Room (1F) - "Boodacious"
Kitchen (1F) - "Booligan"
Rec Room (1F) - "Booregard"
Tea Room (2F) - "Mr. Boojangles"
Billiards Room (1F) - "Boohoo"
Projection Room (1F) - "ShamBoo"
Nana's Room (2F) - "LimBooger"
The Twins' Room (2F) - "Booris"
Astral Hall (2F) - "Boonswoggle"
Fortune-Teller's Room (1F) - "Booigi"
Safari Room (3F) - "Little Boo Peep"
Balcony (3F) - "Boolossus" (worth 15 Boos)
Breaker Room (Basement) - "Boo B. Hatch"
Cellar (Basement) - "Booripedes"
Clockwork Room (3F) - "Boocaster"
Sitting Room (2F) - "Boolivia"
Guest Room (2F) - "Boonita"
Armory (3F) - "UnderBoo"
Ceramics Studio (2F) - "TamBoorine"
Pipe Room (Basement) - "Booffant"
Cold Storage (Basement) - "Boolderdash"
The Artist's Studio (3F) - "Bootique"

If I missed any, I apologize, but putting a list like this together is hard.