Hallway (RIP Suites)
When Luigi first exits Room 503, which was his hotel room, he walks toward the elevator, where he sees Hellen Gravely, and King Boo. Later, King Boo starts chasing him down the hallway and when Luigi gets to the end, he jumps down the laundry chute.
Later in the game, upon entering the hallway for the first time after the King Boo chase, Luigi gets a call from Professor E. Gadd on the Virtual Boo informing him that the Poltergust G-00 has a new feature called the Suction Shot. He then starts explaining how to use the Suction Shot. After the call with Professor E. Gadd, Luigi has to use the Suction Shot to get rid of the suitcases on the right side, both of which have money inside of them. While walking down the hallway, a cleaning cart suddenly moves which scares Luigi. As he keeps walking, between Room 506 and Room 507, the cleaning cart will break open and 3 Goobs will come out. After sucking them up, Luigi then can continue on and go into Room 508, where he finds Chambrea.
The hallway connects all the rooms on the floor. In the southwest side of the hallway is an area with a vending machine, a couple of chairs and tables, a couch, and a broken window. If Luigi uses his suction shot on the vending machine or the wooden boards on the window, he will be able to go to the Laundry Room or the 5F Exterior respectively. On the left side of the hallway leading to Room 504 is a tarpaulin which Luigi can suck up revealing the entrance to the Elevator Shaft.
There is another tarpaulin to the left of Room 508, sucking it up reveals a Gold Bar and a stack of Bills. To the right of Room 508, is a painting which Luigi can open up by using the Strobulb, inside there are a bunch of coins and gold bars.
To get the green gem, Luigi must suck up the metal ball to the right of Room 505, and throw it at the statue holding the green gem. Once that is done, Luigi can get the green gem.
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