Printable Sudoku
Hard Sudoku Collection
Tougher puzzles for focused, high-precision solving.
TodayToday's Hard Sudoku • Updated daily • December 25, 2025 (UTC)
Rotated daily from our printable library (UTC-based).
TodayToday's printable set • Updated daily • December 25, 2025 (UTC)
Hard Sudoku - Intense Logic Session
9x9 grid · One puzzle per page
8
1
8
4
3
7
9
8
5
8
9
1
1
7
5
9
4
9
1
6
3
6
4
8
Hard Sudoku - Tough Session Pack
9x9 grid · One puzzle per page
3
2
1
8
7
6
1
3
2
5
6
9
4
9
3
2
7
8
1
2
8
6
2
2
Hard Sudoku - Relentless Shift Collection
9x9 grid · One puzzle per page
2
7
5
6
1
7
9
3
6
8
4
5
8
7
4
5
8
6
3
4
4
6
4
9
Hard Sudoku - Elite Clarity Set
9x9 grid · One puzzle per page
6
9
2
1
1
9
6
8
7
2
3
5
7
2
6
1
8
1
5
6
7
3
7
5
Hard Sudoku - Elite Balance Pack
9x9 grid · One puzzle per page
9
2
3
1
5
8
1
1
2
3
9
3
7
7
4
1
9
5
8
1
4
2
2
7
Hard Sudoku - Relentless Warm-Up Pack
9x9 grid · One puzzle per page
4
4
9
4
2
5
7
6
2
6
8
9
6
5
2
1
9
1
6
7
6
3
7
4
Prefer to play online?
Use the interactive Sudoku game when you want hints, undo, or daily challenges.
Play Sudoku online