Hard Sudoku Puzzles
Recommended: Check out our Printable Puzzle Books Collection to download and print.
Also try these puzzle makers to make your own custom printable puzzles.
Need Help? To get started, check out these instructions, goals and rules for how to solve puzzles
6x6 Sudoku - Hard - 13
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
6x6 Sudoku - Hard - 15
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
4x4 Sudoku - Hard - 11
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
6x6 Sudoku - Hard - 11
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
4x4 Sudoku - Hard - 9
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
4x4 Sudoku - Hard - 18
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
4x4 Sudoku - Hard - 16
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
6x6 Sudoku - Hard - 19
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
4x4 Sudoku - Hard - 4
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
4x4 Sudoku - Hard - 5
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
6x6 Sudoku - Hard - 16
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
6x6 Sudoku - Hard - 17
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
6x6 Sudoku - Hard - 18
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
4x4 Sudoku - Hard - 12
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
4x4 Sudoku - Hard - 19
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
4x4 Sudoku - Hard - 13
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
4x4 Sudoku - Hard - 6
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
4x4 Sudoku - Hard - 15
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
4x4 Sudoku - Hard - 10
Printable Sudoku Puzzles, Easy for Beginning Problem Solvers - with different levels of difficulty and variations with the number of grids. Simply download, print and play.
