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🔢 Kakuro
Objective: Fill the grid with digits 1-9 so that the sum of each horizontal and vertical run matches the clue at its start, with no repeated digits in any run.
Controls:
- Click a white cell to select it
- Press 1-9 or click palette buttons
- Press Delete/Backspace to clear
- Press H for hint, Ctrl+Z to undo
- Arrow keys to navigate cells
Rules: Fill the grid with digits 1-9. The clue in the top-right of a block shows the sum of that horizontal row. The clue in the bottom-left shows the sum of the vertical column. Each run must sum to the clue and cannot repeat digits.
Tips: Start with runs that have limited possible combinations. Use pencil marks to track possible digits.