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Kakuro Kakuro
How to play Kakuro
Kakuro is similar to both sudoku and traditional crossword games.
Like a Crossword
Similar to crosswords, Kakuro has clues both across and down. When you put numbers in the vacant squares, the sum must equal the given clues. This is why the game is sometimes called 'cross sums'.
Like a Sudoku
Just like a sudoku, you cannot have the same number in a row or column. If a row is broken into 2 areas by a clue, then you can have the same number occuring once in each of the separate areas.
Other variations
Still looking for more puzzles? How about a variation on sudoku? Try Wordoku. Wordoku uses letters instead of numbers and has a hidden 9-letter word! For crossword puzzles, try Free Crossword PUzzles. 2 free crosswords (Easy, Hard) daily.

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Hard Kakuro for 10/April/2010


   
  
 39 
  
  
 10 
  
 39 
  
 
  17
 16 
          
  15
  
    
  7
 30 
      
  33
  
          
  
 16 
 
  34
  
          
 
  12
  
    
  13
  
    
 
  22
  
          
Choose a number, and place it in the grid above.
  1 2 3 4 5 6 7 8 9
Talk about anything and everything, but nice to each other - you don't have to agree, but this is not the place for personal attacks. As Sir Paul McCartney said: 'I used to think anyone doing anything weird was weird. Now I know that it is the people that call others weird that are weird' (longer explanation). Enjoy!
9:42 had to use trial and error
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I thought the key was the deduction that I and R cannot both be 9, but I was unable to construct a logic chain from that point to a solution.
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me neither, got as far as seeing 22A can only contain 4189 or 4279 but no further without some trial and error.

I and R can't both be 7 either and there's only one way round for them to be 79 but it's hardly possible to show that by logic, for me anyway.
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I found the key to be the 7s in the puzzle. I used orphans and one extended elimination chain to show that the square where 39 down and 17 across intersect cannot be a 5 (if so the 7s do not work out in the bottom 4 across rows). The puzzle is easily solvable with logic from that point.
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I used the 7's in a different way - Box I can't be seven or it leads to a fairly easy contridiction, then faily easy to solve.
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3:51
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Needed Orphans. After Some Elimination Proofs. I Then found F,S,T had 1 Solution. This Allowed Further eliminations Around 7.
I bit Muddled in a very tough puzzle.
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6:07
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808 w/a guess
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5:00
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1/9/13 - interesting solution. After solving for orphans and filling in possibilities: There are two rows definitely containing 9 and four that may contain 9, but there are five columns that definitely contain 9 and none that may. For 7 we get the same result. Since two of the columns are 16 pairs, More...
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Orphans and a guess, but I can see where Dan is coming from but 7s & 9s need more logic than I can muster, 2018
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