Easy Sudoku 1
A first sudoku. Puzzle 1 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Sudoku
Fill in the empty squares so every row, every column and every box has each number once. No guessing needed: each puzzle can be solved one step at a time. Start small with 4×4, then work up to the classic 9×9.
Easy 4×4 Ages 6-10
Easy Sudoku 2
A quick warm-up. Puzzle 2 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 3
Small and friendly. Puzzle 3 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 4
A perfect starter. Puzzle 4 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 5
A first sudoku. Puzzle 5 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 6
A quick warm-up. Puzzle 6 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 7
Small and friendly. Puzzle 7 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 8
A perfect starter. Puzzle 8 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 9
A first sudoku. Puzzle 9 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 10
A quick warm-up. Puzzle 10 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 11
Small and friendly. Puzzle 11 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 12
A perfect starter. Puzzle 12 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 13
A first sudoku. Puzzle 13 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 14
A quick warm-up. Puzzle 14 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 15
Small and friendly. Puzzle 15 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 16
A perfect starter. Puzzle 16 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 17
A first sudoku. Puzzle 17 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 18
A quick warm-up. Puzzle 18 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 19
Small and friendly. Puzzle 19 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Easy Sudoku 20
A perfect starter. Puzzle 20 gives you 8 numbers; fill the other 8 of this 4×4 grid.
4×4 · 8 cluesPrint
Challenge 6×6 Ages 10 and up
Challenge Sudoku 1
A step up. Puzzle 1 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 2
More boxes to fill. Puzzle 2 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 3
A trickier grid. Puzzle 3 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 4
A good brain stretch. Puzzle 4 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 5
A step up. Puzzle 5 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 6
More boxes to fill. Puzzle 6 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 7
A trickier grid. Puzzle 7 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 8
A good brain stretch. Puzzle 8 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 9
A step up. Puzzle 9 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 10
More boxes to fill. Puzzle 10 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 11
A trickier grid. Puzzle 11 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 12
A good brain stretch. Puzzle 12 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 13
A step up. Puzzle 13 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 14
More boxes to fill. Puzzle 14 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 15
A trickier grid. Puzzle 15 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 16
A good brain stretch. Puzzle 16 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 17
A step up. Puzzle 17 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 18
More boxes to fill. Puzzle 18 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 19
A trickier grid. Puzzle 19 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Challenge Sudoku 20
A good brain stretch. Puzzle 20 gives you 18 numbers; fill the other 18 of this 6×6 grid.
6×6 · 18 cluesPrint
Expert 9×9 Ages 12 and up
Expert Sudoku 1
The classic puzzle. Puzzle 1 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 2
A full-size grid. Puzzle 2 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 3
For patient solvers. Puzzle 3 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 4
The big one. Puzzle 4 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 5
The classic puzzle. Puzzle 5 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 6
A full-size grid. Puzzle 6 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 7
For patient solvers. Puzzle 7 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 8
The big one. Puzzle 8 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 9
The classic puzzle. Puzzle 9 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 10
A full-size grid. Puzzle 10 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 11
For patient solvers. Puzzle 11 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 12
The big one. Puzzle 12 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 13
The classic puzzle. Puzzle 13 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 14
A full-size grid. Puzzle 14 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 15
For patient solvers. Puzzle 15 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 16
The big one. Puzzle 16 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 17
The classic puzzle. Puzzle 17 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 18
A full-size grid. Puzzle 18 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 19
For patient solvers. Puzzle 19 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint
Expert Sudoku 20
The big one. Puzzle 20 gives you 34 numbers; fill the other 47 of this 9×9 grid.
9×9 · 34 cluesPrint