Kakuro: Cross Sums Deduction

Fill white squares with digits 1–9 so each clue run equals its target sum without repeated digits.

Select Difficulty:

Puzzle 1 of 8

Time: 00:00

Moves: 0

Runs Solved: 0 / 0

Fill each white square with a single digit from 1 to 9.

• Across Sums: The clue in the upper-right triangle indicates the target sum for consecutive white squares to its right.

• Down Sums: The clue in the lower-left triangle indicates the target sum for consecutive white squares below it.

• No Repeated Digits: No digit may be repeated in any single clue run.

Highlight active clue runs

Highlight sum & repeat errors

Sound effects

Shortcuts: Arrow keys move, 1–9 enter digits, N pencil notes, Del clear, U undo, H hint.

Across Clue: —

Down Clue: —

Select a white square and enter a digit from 1 to 9.