Puzzlium Hardest Puzzles Posted on September 6, 2017April 9, 2021 by G4G Team How quickly can you solve three of Puzzlium’s most challenging puzzles? Put your writing instrument and scissors to the test in these logic and visual spatial challenges.Submitted by: Peter Grabarchuk at PuzzliumTime Required: 15 minutes to 60 minutes per puzzleYou’ll Need: pen/pencil and scissorsDownload Puzzles