The Grand Lobby connects the basement stairwell, elevator and the upper route into 2F. It has six gems but no separate boss battle; its collection becomes fully accessible after Gooigi is unlocked.
First visit
Clear the ghosts around reception and inspect the desk for the route forward. Burst over the reception counter to reach the area behind it. Follow the stairs to the accessible Mezzanine passage during E. Gadd’s rescue.
Return with Gooigi
After recovering the 5F briefcase, return with Gooigi and Dark-Light. Roll back the upper-west carpet to reveal the grate, then send Gooigi to the gem ledge. Use the two characters on the chandelier’s paired pressure pads.
Finish the collection
Check the plant pot by the elevator, the hotel emblem right of the stairs, the rear reception sensor and the missing sofa under the west window. The sofa releases a crystal ghost, so remain in the room and capture it. Follow the separate gem page for all six colour checks.
Gumboo
After the Boo hunt is unlocked, return to the lobby and follow the vibration feedback. Its hiding container can change, so inspect the object producing the strongest signal rather than assuming a fixed toolbox. Reveal the escaped Boo with Dark-Light and vacuum its tongue.
Gems and floor completion
Use the six-colour list to finish this floor. Check the required return visit before trying a route that needs Gooigi, Super Suction or the later Toad mission.
- All six gems — 1F — Grand Lobby
- Boo locations and capture method
- Floor achievements and full checklist
Continue the walkthrough
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