Wood Nuts & Bolts Puzzle, a new free game that will increase your IQ by unscrewing wooden nuts, will put your quiz-taking skills to the test! Become a pro at loosening nuts and bolts while enjoying an exciting journey. Key Features of Wood Nuts & Bolts Puzzle Game: Various Difficulty Levels: Immerse yourself in over 300 levels, from beginner to advanced, full of new challenges and brain-busting puzzles