Irregular Killer Sudoku 4x4 Expert
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4
6
7
6
5
5
7
1
2
3
4
5
6
7
8
9
?
~
123
1
2
3
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Latest score list for #l0e62
Is
Isabella a second ago
5'55''
mo
mortgage 14 minutes ago
15'17''
Au
Automotive 8 minutes ago
17'47''
Tr
Trading 19 minutes ago
19'10''
ma
masters 23 minutes ago
7'25''
gu
guest 26 minutes ago
18'40''
mo
motivation an hour ago
16'5''
Ol
Olivia 53 minutes ago
14'25''
Am
Amelia 2 hours ago
18'38''
re
recovery 55 minutes ago
9'20''
Latest score list for Irregular Killer Sudoku 4x4
gu
guest solved puzzle No#lmg72;
12'8''
gu
guest solved puzzle No#od0qj;
9'57''
an
anonymous solved puzzle No#3jnv4;
11'7''
Re
Rehab solved puzzle No#l2ydy;
13'8''
fa
farmstand solved puzzle No#l9qyr;
18'2''
La
Lawyer solved puzzle No#l2ydy;
8'5''
Ol
Olivia solved puzzle No#lx817;
18'36''
gu
guest solved puzzle No#lx817;
5'32''
an
anonymous solved puzzle No#ov479;
16'36''
gu
guest solved puzzle No#3w8dy;
18'21''
How to play Irregular Killer Sudoku 4x4
Irregular Killer Sudoku 4x4 Rules：
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Each row, column, and 2x2 block must contain each of the digits 1 to 4 exactly once.
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The sum of the digits in each region must match the number in its corner.
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No digit can appear more than once in a region.
- Irregular Sudoku Rule: Each row, column, and irregularly shaped block must contain all the digits (1-4) without repetition. This is the key difference.
Read more: Irregular Killer Sudoku 4x4 rule & tips
Killer Sudoku combines the gameplay of Sudoku and Kakuro, adding to the game's complexity and fun. It not only trains players' logical thinking skills but also enhances their calculation and attention abilities.
Irregular Killer Sudoku 4x4 = Irregular Sudoku 4x4 + Killer Sudoku 4x4
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