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Kakuro

Kakuro

Fill empty squares so each block sums up to the number on its left or on its top

The number-logic equivalent of crosswords
Fun, addictive and fascinating
Simple rules, very easy to learn
Requires no language skills
Wide range of logic and difficulty levels
Develops logical deduction and reasoning

See Kakuro rules

Classic Kakuro

Play new puzzles each week

Each puzzle consists of a blank grid with sum-clues in various places. The object is to fill all empty squares using numbers 1 to 9 so the sum of each horizontal block equals the clue on its left, and the sum of each vertical block equals the clue on its top. In addition, no number may be used in the same block more than once. See Kakuro rules

: Classic Kakuro 7x7; Difficulty: Very easy

: Classic Kakuro 8x8; Difficulty: Very easy

: Classic Kakuro 10x10; Difficulty: Very easy

Holey Kakuro

Play new puzzles each week

Each puzzle consists of a blank grid with sum-clues in various places. The object is to fill all empty squares using numbers 1 to 9 so the sum of each horizontal block equals the clue on its left, and the sum of each vertical block equals the clue on its top. In addition, no number may be used in the same block more than once. See Kakuro rules

: Holey Kakuro 14x14.1; Difficulty: Easy

: Holey Kakuro 22x16.1; Difficulty: Medium

Round Kakuro

Play new puzzles each week

Each puzzle consists of a blank grid with sum-clues in various places. The object is to fill all empty squares using numbers 1 to 9 so the sum of each horizontal block equals the clue on its left, and the sum of each vertical block equals the clue on its top. In addition, no number may be used in the same block more than once. See Kakuro rules

: Round Kakuro 10x10.1; Difficulty: Very easy

: Round Kakuro 14x14.1; Difficulty: Easy

Multi Kakuro

Play new puzzles each week

Each puzzle consists of a blank grid with sum-clues in various places. The object is to fill all empty squares using numbers 1 to 9 so the sum of each horizontal block equals the clue on its left, and the sum of each vertical block equals the clue on its top. In addition, no number may be used in the same block more than once. See Kakuro rules

: Multi Kakuro 12x12.1; Difficulty: Easy

: Multi Kakuro 16x16.3; Difficulty: Medium

Diamond Kakuro

Play new puzzles each week

Each puzzle consists of a blank grid with sum-clues in various places. The object is to fill all empty squares using numbers 1 to 9 so the sum of each horizontal block equals the clue on its left, and the sum of each vertical block equals the clue on its top. In addition, no number may be used in the same block more than once. See Kakuro rules

: Diamond Kakuro 14x14.1; Difficulty: Very easy

: Diamond Kakuro 22x16.1; Difficulty: Medium

Heart Kakuro

Play new puzzles each week

Each puzzle consists of a blank grid with sum-clues in various places. The object is to fill all empty squares using numbers 1 to 9 so the sum of each horizontal block equals the clue on its left, and the sum of each vertical block equals the clue on its top. In addition, no number may be used in the same block more than once. See Kakuro rules

: Heart Kakuro 12x12.1; Difficulty: Easy

: Heart Kakuro 14x14.1; Difficulty: Easy