Hard Sudoku 2010 to print (free PDF)
Download every hard Sudoku from 2010 — 365 puzzles — as a free printable PDF.
Sample puzzles
5
8
2
3
2
9
8
7
4
2
6
9
1
7
9
8
6
5
3
5
6
7
6
9
1
8
6
2
3
6
1
8
9
2
4
2
5
9
6
8
3
8
1
4
4
7
3
9
8
7
1
4
6
2
6
8
9
7
2
6
3
7
1
8
7
1
4
6
9
2
4
5
1
8
2
5
4
3
2
5
1
7
9
8
5
3
1
9
7
3
5
8
1
2
1
1
2
4
6
4
6
9
7
7
3
2
8
6
1
4
2
1
5
2
5
1
6
5
7
4
6
8
5
3
7
8
6
9
5
9
7
8
6
5
3
4
8
3
5
8
6
8
1
7
3
4
2
9
2
6
3
5
8
4
4
9
2
5
8
3
8
9
2
1
3
7
Other years
Hard — Sudoku book 2026
Hard — Sudoku book 2025
Hard — Sudoku book 2024
Hard — Sudoku book 2023
Hard — Sudoku book 2022
Hard — Sudoku book 2021
Hard — Sudoku book 2020
Hard — Sudoku book 2019
Hard — Sudoku book 2018
Hard — Sudoku book 2017
Hard — Sudoku book 2016
Hard — Sudoku book 2015
Hard — Sudoku book 2014
Hard — Sudoku book 2013
Hard — Sudoku book 2012
Hard — Sudoku book 2011
Hard — Sudoku book 2010
Hard — Sudoku book 2009
Hard — Sudoku book 2008
Hard — Sudoku book 2007
Hard — Sudoku book 2006
Hard — Sudoku book 2005
All Hard books