Free Math Doku

Hard KenKen

Advanced puzzles. 6×6 grids requiring careful planning.

Select a Puzzle

1
Puzzle 1
2
Puzzle 2
3
Puzzle 3
4
Puzzle 4
5
Puzzle 5
6
Puzzle 6
7
Puzzle 7
8
Puzzle 8
9
Puzzle 9
10
Puzzle 10
11
Puzzle 11
12
Puzzle 12
13
Puzzle 13
14
Puzzle 14
15
Puzzle 15
16
Puzzle 16
17
Puzzle 17
18
Puzzle 18
19
Puzzle 19
20
Puzzle 20