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How to solve Videos Forum Timed Rankings Books PDF Print 22 Sep 2019
Easy:
4×4
5×5
6×6
Killer
Sudoku
Medium:
4×4
5×5
6×6
8×8
Sudoku
Difficult:
4×4
5×5
6×6
12×12
Extra
Difficult 6 × 6, Rating: ★★★  Points: 7     Solved 506 times
Calcudoku twin  -  these two puzzles have the same solution

abcdef
1 
13+

30×

0-

2 

24×



3-
3 
15+

2 :

11+

4 



360×

18+
5 






6 
1-


4


abcdef
1 
13+

20×

10+

2 

15+

6 :


3 
16+



40×

4 

5

48×


5 


0-


2-
6 
1-


4


total
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