Screws are the main characters in Wood Bolts Nuts Screw Pin Puzzle. At each level, they hold metal strips, attaching them to the wood flooring. Your task is to unscrew the metal screws and move them to the free holes so that the bar falls down below. The number of screws and strips can be different, in addition, the screws can be located outside the strips, not holding anything, but preventing the strips from falling. Wood Bolts Nuts Screw Pin Puzzle has a total of one hundred challenging levels that get more difficult the further you progress.