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
 
 
5
 
17
 
 
30
 
4
 
 
24
 
13
12
 
9
7
11
15
40
 
 
 
17
8
19
12
22
 
10
11
 
7
 
16
 
13
 
3
9
11
17
 
17
12
13
16
 
9
 
6
37
 
8
 
16
 
8
 
00:00
You are playing 8x8 intermediate puzzle 61814

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