Sudoku 25x25 num: 413 (Level: hard)
P
A
8
K
F
7
4
I
J
3
L
H
7
5
O
9
J
N
G
B
M
D
E
O
9
2
J
3
N
C
G
P
B
A
8
K
F
7
5
9
3
L
C
G
B
7
4
6
J
N
L
C
8
H
7
4
1
D
5
2
G
P
7
I
1
M
D
5
O
2
J
3
N
L
H
7
4
I
1
9
2
6
J
3
N
C
G
8
1
D
5
N
L
C
8
H
7
J
C
G
P
A
K
H
4
M
L
C
P
A
8
7
4
M
D
9
2
P
H
4
5
E
O
2
3
L
G
H
F
7
4
I
1
E
O
9
2
6
J
3
N
C
P
B
A
K
1
5
9
2
3
C
P
B
8
K
H
7
4
I
O
9
J
N
P
B
K
H
F
7
I
D
E
P
8
H
7
4
1
9
J
B
A
K
H
F
7
4
1
M
5
O
9
J
L
C
F
4
I
1
E
9
J
3
C
G
A
8
H
D
5
2
J
3
N
L
C
G
P
A
H
1
2
3
N
L
P
8
K
F
M
D
5
E
N
P
A
8
H
5
E
J
3
8
K
4
I
1
E
9
2
6
J
3
L
B
7
4
I
M
O
6
N
C
P
B
8
H
F
2
L
C
P
B
A
8
H
7
I
M
2
3
N
C
P
A
8
H
F
7
I
M
D
O
C
P
8
7
I
1
M
D
5
9
N
CGPBA8KHF74I1MD5EO926J3NL
8KHF74I1MD5EO926J3NLCGPBA
4I1MD5EO926J3NLCGPBA8KHF7
5EO926J3NLCGPBA8KHF74I1MD
6J3NLCGPBA8KHF74I1MD5EO92
GPBA8KHF74I1MD5EO926J3NLC
KHF74I1MD5EO926J3NLCGPBA8
I1MD5EO926J3NLCGPBA8KHF74
EO926J3NLCGPBA8KHF74I1MD5
J3NLCGPBA8KHF74I1MD5EO926
PBA8KHF74I1MD5EO926J3NLCG
HF74I1MD5EO926J3NLCGPBA8K
1MD5EO926J3NLCGPBA8KHF74I
O926J3NLCGPBA8KHF74I1MD5E
3NLCGPBA8KHF74I1MD5EO926J
BA8KHF74I1MD5EO926J3NLCGP
F74I1MD5EO926J3NLCGPBA8KH
MD5EO926J3NLCGPBA8KHF74I1
926J3NLCGPBA8KHF74I1MD5EO
NLCGPBA8KHF74I1MD5EO926J3
A8KHF74I1MD5EO926J3NLCGPB
74I1MD5EO926J3NLCGPBA8KHF
D5EO926J3NLCGPBA8KHF74I1M
26J3NLCGPBA8KHF74I1MD5EO9
LCGPBA8KHF74I1MD5EO926J3N
Sudoku 25x25
Sudoku 25x25 is a colossal interpretation of the classic puzzle, played on an immense grid of 25 rows and 25 columns. The layout is divided into regions of 5x5 squares, and your task is to place the numbers 1 through 25 so that none are repeated in any row, column, or region. The sheer size of the puzzle transforms the experience, requiring players to manage a far greater range of possibilities while still applying the same logical principles as in smaller Sudokus. Each move feels like a step in building a vast, ordered structure, where progress comes from careful analysis and long-term planning.
At the start, a set of given numbers provides the foundation for your strategy. Using these anchors, you eliminate contradictions, trace logical paths, and gradually fill the board. Guessing is unnecessary, since every Sudoku 25x25 is designed to have only one valid solution that can be reached through reasoning alone. This format is particularly appealing to players who enjoy tackling monumental challenges and pushing the limits of logical deduction. It sharpens memory, boosts focus, and strengthens problem-solving skills while offering hours of immersive gameplay. Completing such a puzzle is not just solving-it's an achievement, a test of persistence and mental discipline that turns a daunting expanse of numbers into a perfectly structured masterpiece.
