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: Did you know that you can use the arrow keys on your keyboard to move up and down, left and right?

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Also try sudoku and hitori
 
 
6
 
10
 
 
25
 
10
 
4
 
23
 
7
 
15
6
 
27
44
 
 
 
25
9
15
 
9
 
15
 
 
20
4
19
11
 
 
14
 
13
 
 
4
10
10
 
8
 
11
41
 
 
15
 
16
 
00:00
You are playing 8x8 expert puzzle 30879

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