Maintain your brain with these challenging sudoku puzzles. Many times more mentally stimulating than regular English language style sudoku puzzles.66 Arabic Alphabet Sudoku Puzzles in easy, medium and hard levels of play, and in 9x9 and 16x16 grid sizes. Give your brain a terrific workout with my Arabic Alphabet Sudoku Puzzles and your brain will thank you.54 9x9 grid size puzzles and 12 16x16 grid size games, both in easy, medium and hard levels of play. 2 puzzles per page means large, easy to read, easy to fill in sudoku puzzles.