A guide and walkthrough showing the locations for all 65 Gemstones and 32 Boos in Luigi's Mansion 2 HD for Nintendo Switch. Refer to the bottom left corner for gemstone availability per level.

Timestamps for all Gemstones and Boos:
0:00 Gloomy Manor Gems
4:50 Gloomy Manor Boos

6:42 Haunted Towers Gems
11:33 Haunted Towers Boos

13:33 Old Clockworks Gems
19:08 Old Clockworks Boos

21:10 Secret Mines Gems
27:30 Secret Mines Boos

28:37 Treacherous Mansion Gems
36:02 Treacherous Mansion Boos

Note: E4's Boo (x10) are acquired automatically

Luigi's Mansion 2 HD gameplay walkthrough playlist:    • Luigi's Mansion 2 HD  Nintendo Switch