Floor 2: Mezzanine

Lobby: Head left upon entering. Use your Suction Shot to remove the sign blocking the door.

Hallway: The Polterpup runs through the double doors. Explore side rooms before following. Suck up two Bills on the left and collect Coins from a bucket. Enter the Game Room to the east.

Entertainment Room: Collect two Gold Bars on the floor and one on the door frame. Suck up the pool balls and place them in the pockets to earn Coins and the "Played Billards on 2F" achievement. Suck up Bills behind the triangle and open the wardrobe for Coins. Go upstairs. Suck up the sword on the wall, aim at the target, and hit a bullseye to get a Purple Gem. Collect Bills under a small table and from a black chair's cushion. Spin the pig for Bills. Destroy lockers against the back wall to find a hole containing Gold. Return to the Hallway.

Hallway (Revisited): The Polterpup waits at the double doors. Collect Bills from Wanted posters. Slam furniture blocking the western door for a shortcut. Head right. Open the trashcan for Gold and burst near the fire hydrant for Coins. Take down posters and look through the hole over the rathole to find a bathroom with a G-Bag. Collect Coins from a painting. A Gold Crow appears near the window; suck it up or flash it. Open the trashcan for Coins and pull curtains for Bills.

Restroom: Collect Coins from the blowdryer and a sink. Open the rightmost stall with a Suction Shot to find a newspaper. Suck it up to reveal a Gem Goob. Defeat it to get the Clear Gem. Collect Bills from the toilet in the left stall and toilet paper in the center stall. To access the western bathroom, remove the lid on the left wall to reveal a pipe for Gooigi. Remove food blocking the door and in the sink. Suck up the G-Bag behind the sink for Bills. Collect a Coin from the sink. Collect Coins from the toilet in the right stall. Collect Coins from vents on the eastern wall. Interact with an invisible blowdryer in the bottom-left corner for Coins. Return to the Hallway.

Hallway (Third Visit): Take down the plant on the left for Coins and the sign beside the doors for Coins, revealing a pinwheel. Find another pinwheel to the east of the doors. Have Luigi and Gooigi spin both pinwheels simultaneously to open a vault in the ceiling containing the Yellow Gem. Enter the next room.

Restaurant: The Polterpup goes east with a baguette. Suck up blue pillows for Bills. Slam the big sign for Coins. Collect two Gold Bars under the desk. Tug on clothes for Bills and to reveal a pipe. Send Gooigi through the pipe to a platform above with food, two Gold Bars, and a G-Bag with Bills. Return to Luigi. Head east. Four Goobs and four reinforcements appear. Defeat all ghosts. Collect Coins from a white table. Tear off tablecloths for Gold. Head through the eastern door.