Ravensburger Vampire Castle Escape Puzzle. Roughly 18 hours between two people. Super fun puzzle, we didn't bother solving the riddle however. : r/Jigsawpuzzles
Amazon.com: Ravensburger Escape Puzzle Vampire's Castle 759 Piece Jigsaw Puzzle for Kids and Adults Ages 12 and Up - an Escape Room Experience in Puzzle Form 27" x 20" : Toys & Games
Vampire The Masquerade: Swansong Blood Labyrinth Puzzle Guide - Pro Game Guides