Welcome to Pin Board Puzzle where really difficult puzzles await! ?Immerse yourself in a maze of twisted iron sheets, bolts and nuts, and plates, pinned with discarded bolt pieces and rings, presenting an epic and complex puzzle match. Let's feel the excitement in the new unscrew and screw pin game and become a screw master.As a seasoned technician, skillfully unblock screws and untangle each twisted iron piece from the jigsaw of obstacles.