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.

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
 
 
8
 
14
 
19
 
 
13
 
17
 
32
 
12
24
 
29
19
41
 
   
10
33
 
12
 
 
6
13
 
7
10
26
7
 
 
8
 
 
10
 
 
7
11
9
 
11
 
7
40
 
29
 
10
 
00:00
You are playing 8x8 hard puzzle 23565

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