Kakuro

Fill white cells with 1–9, even on a 5 × 5 board. Each contiguous run sums to its clue with no repeated digit within that run. Repeats across blocks are legal. There are no givens.

New defaults to total size 5 × 5 Easy. Only this choice is qualified. 5 Medium/Hard and all 7/9 bands are unavailable; existing codes reopen independently.

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Full rules, original worked lesson and printing · Daily Kakuro · Published archive · All puzzles and saved boards