Fill each run with digits that sum to the clue. No digit repeated in a run!
Kakuro is a number logic puzzle often described as a mathematical crossword. The grid contains white cells to fill with digits 1 through 9 and shaded cells displaying clue sums. Each clue indicates the total that the consecutive white cells in that row or column must add up to, and no digit can repeat within a single sum group. Solving Kakuro requires a blend of arithmetic skill and logical deduction, as you cross-reference row and column constraints to narrow down possibilities. Smaller puzzles are approachable for beginners, while larger grids with tighter constraints challenge even experienced puzzle solvers. If you enjoy Sudoku but want something that exercises both your number sense and logic, Kakuro is the ideal next step.