Brain Games for Adults. Sudoku puzzles are fun and entertaining, while providing your brain with stimulation. With more than 100 puzzles medium levels of difficulty, this collection is sure to keep puzzlers of all experience levels busy for hours on end. Since each puzzle is spread out on one full page, solving will be easy on your eyes but not on your brain. Enjoy.
Brain Games for Adults. Sudoku puzzles are fun and entertaining, while providing your brain with stimulation. With more than 100 puzzles medium levels of difficulty, this collection is sure to keep puzzlers of all experience levels busy for hours on end. Since each puzzle is spread out on one full page, solving will be easy on your eyes but not on your brain. Enjoy.