3. KenKen (WP) 4X4 puzzles

The solutions to the 4x4 puzzles are as follows:
Estimated time of completion: 1-2 hours (70 puzzles)
Easy

(1)
1 2 3 4
2 3 4 1
4 1 2 3
3 4 1 2

(2)
4 2 3 1
2 3 1 4
1 4 2 3
3 1 4 2

(3)
2 3 4 1
4 2 1 3
1 4 3 2
3 1 2 4

(4)
2 1 4 3
4 3 2 1
1 4 3 2
3 2 1 4

(5)
3 4 2 1
1 2 3 4
2 1 4 3
4 3 1 2

(6)
3 4 1 2
2 3 4 1
4 1 2 3
1 2 3 4

(7)
4 3 2 1
3 2 1 4
2 1 4 3
1 4 3 2

(8)
1 3 2 4
3 4 1 2
4 2 3 1
2 1 4 3

(9)
1 4 2 3
4 2 3 1
3 1 4 2
2 3 1 4

(10)
4 1 3 2
2 3 1 4
3 2 4 1
1 4 2 3

(11)
4 1 3 2
2 4 1 3
3 2 4 1
1 3 2 4

(12)
4 3 1 2
3 2 4 1
2 1 3 4
1 4 2 3

(13)
2 3 4 1
4 1 2 3
1 4 3 2
3 2 1 4

(14)
2 1 3 4
3 2 4 1
4 3 1 2
1 4 2 3

(15)
3 1 4 2
2 3 1 4
1 4 2 3
4 2 3 1

(16)
1 4 2 3
4 2 3 1
2 3 1 4
3 1 4 2

(17)
4 3 1 2
3 2 4 1
2 1 3 4
1 4 2 3

(18)
2 3 4 1
3 4 1 2
4 1 2 3
1 2 3 4

(19)
3 1 2 4
2 4 3 1
1 3 4 2
4 2 1 3

(20)
3 2 1 4
1 3 4 2
4 1 2 3
2 4 3 1

Normal
(1)
1 4 3 2
2 1 4 3
4 3 2 1
3 2 1 4

(2)
2 3 1 4
3 1 4 2
1 4 2 3
4 2 3 1

(3)
4 3 1 2
3 1 2 4
1 2 4 3
2 4 3 1

(4)
1 2 3 4
2 1 4 3
4 3 1 2
3 4 2 1

(5)
1 2 4 3
2 3 1 4
4 1 3 2
3 4 2 1

(6)
3 1 2 4
4 2 3 1
1 3 4 2
2 4 1 3

(7)
4 1 2 3
1 3 4 2
3 2 1 4
2 4 3 1

(8)
1 2 3 4
2 3 4 1
3 4 1 2
4 1 2 3

(9)
3 1 4 2
4 2 1 3
1 3 2 4
2 4 3 1

(10)
3 2 4 1
1 4 2 3
4 1 3 2
2 3 1 4

(11)
3 2 1 4
1 3 4 2
2 4 3 1
4 1 2 3

(12)
4 2 1 3
2 3 4 1
3 1 2 4
1 4 3 2

(13)
4 3 2 1
1 2 4 3
3 4 1 2
2 1 3 4

(14)
3 4 1 2
2 1 3 4
4 3 2 1
1 2 4 3

(15)
4 1 2 3
1 2 3 4
2 3 4 1
3 4 1 2

(16)
2 3 1 4
4 2 3 1
3 1 4 2
1 4 2 3

(17)
2 3 4 1
4 2 1 3
3 1 2 4
1 4 3 2

(18)
2 3 4 1
3 4 1 2
1 2 3 4
4 1 2 3

(19)
1 4 2 3
4 2 3 1
3 1 4 2
2 3 1 4

(20)
4 1 3 2
2 4 1 3
1 3 2 4
3 2 4 1

Hard
(1)
1 4 3 2
2 1 4 3
3 2 1 4
4 3 2 1

(2)
4 3 1 2
3 4 2 1
1 2 3 4
2 1 4 3

(3)
1 4 3 2
2 3 1 4
3 2 4 1
4 1 2 3

(4)
3 2 4 1
4 1 2 3
2 3 1 4
1 4 3 2

(5)
1 2 4 3
2 3 1 4
4 1 3 2
3 4 2 1

(6)
2 1 3 4
3 4 1 2
1 2 4 3
4 3 2 1

(7)
2 4 3 1
3 2 1 4
1 3 4 2
4 1 2 3

(8)
1 3 2 4
3 4 1 2
2 1 4 3
4 2 3 1

(9)
4 1 2 3
1 3 4 2
3 2 1 4
2 4 3 1

(10)
3 2 1 4
4 3 2 1
2 1 4 3
1 4 3 2

(11)
1 3 4 2
4 2 3 1
3 1 2 4
2 4 1 3

(12)
3 1 4 2
4 2 1 3
1 3 2 4
2 4 3 1

(13)
2 3 4 1
4 2 1 3
3 1 2 4
1 4 3 2

(14)
3 1 4 2
4 2 1 3
2 4 3 1
1 3 2 4

(15)
2 3 1 4
3 1 4 2
4 2 3 1
1 4 2 3

(16)
1 4 2 3
4 2 3 1
2 3 1 4
3 1 4 2

(17)
1 4 2 3
4 2 3 1
3 1 4 2
2 3 1 4

(18)
3 2 4 1
1 4 3 2
2 3 1 4
4 1 2 3

(19)
2 3 4 1
1 2 3 4
4 1 2 3
3 4 1 2

(20)
3 1 2 4
2 4 1 3
1 3 4 2
4 2 3 1

Unsigned
(1)
1 2 4 3
4 1 3 2
2 3 1 4
3 4 2 1

(2)
3 2 4 1
4 1 3 2
2 4 1 3
1 3 2 4

(3)
4 1 2 3
1 4 3 2
2 3 1 4
3 2 4 1

(4)
3 1 2 4
4 3 1 2
2 4 3 1
1 2 4 3

(5)
4 1 2 3
1 2 3 4
2 3 4 1
3 4 1 2

(6)
2 3 1 4
3 4 2 1
4 1 3 2
1 2 4 3

(7)
3 2 1 4
1 4 3 2
4 3 2 1
2 1 4 3

(8)
4 3 2 1
1 2 3 4
2 1 4 3
3 4 1 2

(9)
2 1 3 4
1 2 4 3
3 4 1 2
4 3 2 1

(10)
2 3 4 1
1 2 3 4
4 1 2 3
3 4 1 2

4x4 Master

Beat all 4x4 puzzles on all skill modes.

4x4 Master
1 guideOffline Game ModeSingle Player

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