Short description of Best Kakuro 3.7: Try Best Kakuro for the best Kakuro puzzles. Best Kakuro creates Kakuro puzzles in 6 difficulty levels from novice to killer, and grid sizes ranging from 8x8 to 14x22. Print the puzzles, or solve on screen using either your mouse or keyboard. Includes 'zeros allowed' puzzles. All puzzles have a guaranteed unique solution and can be solved using logic - no guessing required. Possible combinations shown for each square while solving on screen.