Sudoku 16x16 num: 387 (Level: hard)
E
6
5
G
3
D
B
F
9
7
8
B
2
D
4
F
1
D
B
G
6
F
7
8
F
4
E
D
4
C
2
G
2
3
1
E
F
6
B
G
A
5
8
E
E
9
C
B
A
F
9
4
B
D
3
C
4
B
D
8
7
6
F
B
1
D
G
C
F
9
8
E
9
F
6
3
4
F
8
E
1
G
2
3
B
4
6
D
1
3
2
A
5
E
7
9
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6F5A97E81D4B2CG3
2CG31D4B97E86F5A
1D4B2CG36F5A97E8
798EF6A5C23GD1B4
F6A5798ED1B4C23G
C23GD1B4798EF6A5
D1B4C23GF6A5798E
E8975A6FG32C4B1D
5A6FE8974B1DG32C
G32C4B1DE8975A6F
4B1DG32C5A6FE897
8E79A5F63GC2B4D1
A5F68E79B4D13GC2
3GC2B4D18E79A5F6
B4D13GC2A5F68E79
Sudoku 16x16
Sudoku 16x16 is one of the largest and most fascinating variations of the classic puzzle, designed for those who enjoy thinking on a grand scale. The grid contains 16 rows and 16 columns, divided into smaller regions of 4x4 cells, each of which must respect the same placement rules as the rest of the board. The objective is to complete all the empty spaces with the numbers 1 through 16, making sure that no digit is repeated in any row, column, or region. Because of its size, this version requires extra concentration and a methodical approach, but its logical foundation remains the same as traditional Sudoku. Solving it feels like weaving together many small puzzles into one impressive challenge.
Every game begins with a selection of pre-filled numbers that guide your progress. Using these clues, you analyze interactions across rows, columns, and boxes, slowly narrowing down the possibilities until the solution emerges. Guessing is never necessary, since each puzzle has only one valid answer, reachable through careful reasoning. This 16x16 format is perfect for players who want to step up from 12x12 or 15x15 boards and explore the thrill of a truly large Sudoku. It's both entertaining and mentally stimulating, helping to sharpen logic, memory, and long-term focus. Tackling a 16x16 puzzle may look intimidating at first, but with patience and persistence, each solved section becomes a rewarding victory that brings you closer to completing the whole board.