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Calcudoku:4×45×56×68×812×1210×10Killer SudokuSudoku
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Killer Sudoku

Medium        

16 Aug 2012   Show solution   Rating:
Points: 7 (solved 126 time(s) so far)
10

13
14

11

6

6
14

18

13

17



9

26


12

7


6




10
26

7

11

16



15

12

24







20

12

25
13









10


14

8


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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Many more Sudoku variations are at Planet Sudoku.