✖️ X-Sudoku
Classic Sudoku with diagonal constraints
Mistakes:0/3
00:00
1
6
2
5
3
9
7
8
1
6
7
3
9
8
5
3
2
9
1
7
5
9
1
4
2
6
7
5
5
1
7
8
3
2
9
Mistakes:0/3
00:00
How to Play X-Sudoku
- ✓ Fill the grid following standard Sudoku rules
- ✓ Each row, column, and 3×3 box must contain 1-9
- ✖️ Both diagonals must also contain 1-9 (no repeats)
- 💡 Diagonal cells are highlighted with blue lines