Engage your mind with Nuts & Bolts 3D: Screw Puzzle, a captivating game that offers a blend of fun and intelligence. Challenge yourself with a variety of pin puzzles that aim to test and enhance your IQ.

Experience the thrill of unscrewing blocks and freeing all screws within, mastering puzzle-solving skills with each level. The gameplay is simple yet entertaining - just tap your way through to release all screws and clear the blocks to emerge victorious.

With over 100 levels of varying difficulty, this game guarantees a continuous stream of brain-teasing challenges that will keep you engaged. Utilize the hint system for those tricky puzzles and navigate through twists and turns to conquer each obstacle in your path.