Find all six gems in 14F — The Dance Hall. The colours are white, red, blue, green, purple and yellow. Gem collection is separate from the ending money rank; completing all seventeen floor sets unlocks Suction Shot Type-C.
Required tools and return visits
Finish the DJ battle and use Super Suction to open the booth and balcony collection routes.
White gem — Left balcony — missing table
After the boss and stage cleanup, reach the left balcony. Restore the absent table closest to the camera with Dark-Light and capture the crystal ghost.
Red gem — Balcony turntables
Put one character at each balcony’s record deck. Blow at both decks together until the disco ball drops and breaks, releasing the red gem.
Blue gem — DJ dressing room
After DJ Phantasmagloria, stand on the two dark dance-floor squares with Luigi and Gooigi. Connect to the revealed Super Suction socket and remove the DJ booth. Enter the room behind it and use Dark-Light on the mannequin head missing its wig.
Green gem — Cloakroom
Vacuum every garment in the cloakroom until its concealed wall panel opens. Collect the green gem inside.
Purple gem — Elevator Hall — block
Blow at the record decks to extend the square wall block near the neon dancer. Keep one character on the mechanism while the other repeatedly uses Burst beneath the block until it releases the purple gem.
Yellow gem — Secret vault
Walk along the unlit floor tiles outside the elevator without leaving the pattern. Put Luigi and Gooigi on the paired dark tiles and repeat the revealed sequence. Descend the stairs and send Gooigi through the vault bars for the yellow gem.
Six-gem check
Open the floor collection screen and check all six colour slots. A missing colour identifies the exact entry to revisit above. Gem ghosts must be fully captured before their gem is awarded.
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