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Calcudoku size:4×46×68×89×98×8Killer SudokuSudoku
Level:EasyMediumDifficultEasyMediumDifficultMediumDifficultDifficultExtraDifficultEasyMedium
18 Aug 2012   Hide solution
     Rating:  
     Points: 9     Solved 73 times so far,
abcdefghi
1 
15
6
15
4
16
3

8

5
11
7

1
16
9
11
2
2 

8

9

2
19
6

1
26
4

3

7

5
3 

1
20
5

7

3

2

9

8
11
6

4
4 

7

8
13
1

9

3

5
18
4

2
13
6
5 
24
9

6

4
16
1

8
8
2

5

3

7
6 

2

3
19
5

7
13
4

6

9
13
8

1
7 
15
3

7

6
9
5

9
11
1
8
2

4
21
8
8 

5
7
2

8

4

7

3

6

1

9
9 

4

1
17
9

2

6
20
8

7

5

3

You can solve the puzzle using the number + arrow keys, or the mouse. Use shift + number to toggle guesses, the space bar to clear a cell, and 'backspace' for undo. Press '=' to highlight the number in a cell.

A Killer Sudoku is the same as a Calcudoku puzzle, except:

  • the operator is always + (and not shown)
  • every 3×3 box has the numbers 1..9 exactly once
  • a cage also can not have duplicate numbers (!)

You can also solve the puzzles on the iPhone/iPod Touch/iPad and the Kindle 3.

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