This is my 100% walkthrough of Luigi's Mansion 2 HD for Nintendo Switch. This includes the locations of all Gems and Boos and also shows how to get a 3-star rank on each mission.

00:00:00 Intro
00:08:09 Gloomy Manor
02:11:18 Haunted Towers
03:50:45 Old Clockworks
05:32:18 Secret Mine
06:49:12 Treacherous Mansion
08:30:10 King Boo's Illusion (Final Boss)
08:39:02 Ending & Credits
08:46:55 Bonus: Terrifying Invasion