Kakuro

Goal: Fill the white cells with digits 1–9 so that each run of cells matches the clue shown in the black cell beside it.

Clue cells are black with a diagonal line. The number in the top-right is the target for the run going across (right). The number in the bottom-left is the target for the run going down. A small symbol next to the number shows the operation (+ for addition, − for subtraction).

No repeats: Within any single run, you may not use the same digit twice.

Select a cell by clicking it, then click a number on the pad below to fill it in. Click a filled cell and press Clear (or click the same number) to erase it.

Errors are highlighted in red – either a duplicate digit in a run or a completed run that doesn’t match its target.

Undo: Click Undo to reverse your last action. You can undo as many times as you like.

Kakuro

Fill the grid with digits 1–9 so each run matches its clue.

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