Calcudoku logo

How to solve Video      Forum Timed Rankings Books Specials Print
Calcudoku:4×46×68×89×98×8Killer SudokuSudoku
Select level:EasyMediumDifficultEasyMediumDifficultMediumDifficultDifficultExtraDifficultEasyMedium

Killer Sudoku

Difficult        

18 Aug 2012   Show solution   Rating:
Points: 9 (solved 75 time(s) so far)
abcdefghi
1 
12

14

20
7

24

2 

18



22

19

3 
5

16






4 


16

11

8


5 
16


10

6

27

6 
12

10

18

14


7 



7



10

8 
17
15



20


6
9 


14



11


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.

Do you enjoy this site? Support it by becoming a subscriber! (no ads, more puzzles, free books)

The last 20 solved puzzles (       = by subscriber):total
Cell size for 9×9:  small medium large
   
All puzzles published on this site are © Patrick Min. Send your ideas and suggestions to



Server time: Friday 22 August 2014, 7:54:35 Central European Time. Page processing time: 0.074 sec. Page load time sec.