After all these years, I finally got 100% on Luigi's Mansion 2 (Dark Moon). I might be late but I'm not less proud since it's my favorite 3Ds game ever :) : r/LuigisMansion
Luigi's Mansion 4 | Video Game Fanon Wiki | Fandom
Luigi's Mansion: Dark Moon - Wikiwand
Luigi's Mansion 2 Video Game - 3DS (Switzerland) - from Sort It Apps
Luigi's Mansion: Dark Moon for Nintendo 3DS - Nintendo Official Site
Luigi Mansion 2 (Nintendo 3DS, 2013) - Japanese Version for sale online | eBay