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Kakuro
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Numbers & arithmeticNumbers & arithmetic

Kakuro

Fill crossing runs with digits whose sums match the clues.

#05
Current gameKakuroCargando juego…
How to play
Time00:00

Blupoli

Game information

Kakuro

Types of challenge

  • Numbers
  • Regions

Skills you put into practice

  • Calculation and number senseCombine quantities, sums or numeric relationships.
  • Working memoryHold several clues and constraints in mind while deciding.
  • Logical reasoningDeduce consequences and eliminate incompatible options.
  • Attention to detailTrack clues and detect conflicts on the board.

Fill crossing runs with digits whose sums match the clues.

These puzzles engage different skills while you play. This does not in itself establish general cognitive improvement or replace professional care.

The challenge

Fill crossing runs with digits whose sums match the clues.

How to play

  1. Enter digits 1–9 so each run adds to its clue.
  2. A digit may not repeat within the same horizontal or vertical run.

Advanced strategies

  • Start with a short sum having few possible combinations; then cross-check its digits against the perpendicular sum.

History and background

Kakuro brings the crossing-clue structure of crosswords to arithmetic, with sums made from non-repeating digits.

Tips and strategies

  • Before making a move, check what each rule rules out and avoid blocking options you may need later.

Frequently asked questions

  • Where should I begin? Start with a short sum having few possible combinations; then cross-check its digits against the perpendicular sum.
  • What makes this game different? A digit may not repeat within the same horizontal or vertical run.
Read the article about Kakuro →
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