Sudoku 15x15 num: 499 (Level: hard)
6
A
8
1
9
5
4
3
2
7
6
3
B
1
F
4
1
3
D
5
B
A
7
2
E
F
7
9
2
B
8
3
C
A
5
D
E
7
B
9
6
3
E
5
7
1
2
4
F
3
B
8
C
7
B
5
3
A
D
1
C
7
E
A
2
8
1
D
3
D
5
3
6
C
9
1
6
C
F
D
5
2
9
7
8
C
1
9
5
2
4
E
7
A
7
6
4
D
E
F
D
E
9
7
5
B6A8F1927E54CD3
527C986D34BA1EF
413EDCF5BA76289
DE4F76A92B8153C
1A852DC4F39E76B
CB963E5718A2F4D
F963AB8E42C7D51
E7B48F1C5D63A92
2D51C73A96E8BF4
9FEA427B81D53C6
78D253E6C9FB41A
63CB1A4FD52987E
8C19B5236F4DEA7
A52764D1EC3F9B8
34FDE9B8A71C625
Sudoku 15x15
Sudoku 15x15 is a supersized variation that stretches the classic puzzle onto a grid of 15 rows and 15 columns. The board is divided into square regions of 3x5 cells, and every one of these must follow the same strict placement rules as rows and columns. The challenge is to use the numbers 1 through 15 to fill every space without repeating any digit in a row, column, or region. The larger size brings a unique rhythm to solving: patterns are more spread out, and spotting logical connections often requires scanning across wider distances. It's a puzzle of patience and method rather than speed, where each correct move gradually brings clarity to the whole grid.
At the start, some cells are already filled in, giving you anchors to begin your reasoning. From these initial hints, you eliminate options, track possible placements, and slowly uncover the solution. Guessing is never required-logic alone will always guide you to the end. This easy 15x15 version is perfect for players who want to move beyond smaller boards like 9x9 or 12x12, but still prefer a puzzle that feels fair and solvable. It offers a satisfying balance between accessibility and depth, making it a great way to train focus, practice logical thinking, and develop persistence. Playing Sudoku 15x15 is not just a pastime It's a mental workout that rewards steady progress and leaves you with the satisfaction of completing an impressive, expansive puzzle.