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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
 
 
16
 
32
  
 
23
 
32
 
6
  
 
24
 
7
3
 
9
 
7
6
11
 
35
6
34
 
9
20
 
16
31
 
11
 
13
 
11
11
8
17
 
4
 
 
24
11
 
 
13
 
30
 
 
17
10
14
 
10
16
 
30
 
 
13
11
 
4
 
18
 
9
11
5
 
 
4
22
 
19
 
 
6
9
 
 
25
  
 
 
17
3
24
 
17
6
24
 
34
12
 
19
 
12
14
10
 
31
16
 
11
8
15
13
30
 
14
 
9
 
21
 
7
 
00:00
You are playing 9x17 challenging puzzle 93978

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


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