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4x4: easy intermediate hard challenging expert
6x6: easy intermediate hard challenging expert
8x8: easy intermediate hard challenging expert
9x11: easy intermediate hard challenging expert
9x17: easy intermediate hard challenging expert

Kakuro is like a crossword puzzle with numbers. Each "word" must add up to the number provided in the clue above it or to the left. Words can only use the numbers 1 through 9, and a given number can only be used once in a word. Every kakuro puzzle has one and only solution, and can be solved through logic alone.

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Kakuro Hint: Not sure what a number is yet? Fill in its remaining possible values -- the cell will automatically resize to accommodate.

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Also try sudoku and hitori
 
 
7
 
29
  
 
6
 
29
 
15
 
9
 
34
  
5
 
35
11
  
38
 
 
6
 
5
11
10
 
12
 
18
 
7
15
10
17
8
 
8
14
17
5
 
 
23
13
20
9
15
 
25
 
10
24
 
5
23
16
11
13
 
14
 
8
 
8
 
4
10
4
13
 
8
 
38
 
 
34
 
3
 
00:00
You are playing 9x11 hard puzzle 33682

Start over, and play another kakuro of this size and difficulty.


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