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Hard Mini Sudoku Puzzles

Page 39 of 60 · 760 puzzles

6×6 Hard Puzzles

10 puzzles

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Hard
6×6

Mini Sudoku 6x6 #0921

A hard 6×6 board with 10 clues. One unique solution.

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0922

A hard 6×6 board with 10 clues. One unique solution.

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0923

A hard 6×6 board with 10 clues. One unique solution.

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0924

A hard 6×6 board with 10 clues. One unique solution.

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0925

A hard 6×6 board with 10 clues. One unique solution.

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0926

A hard 6×6 board with 10 clues. One unique solution.

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0927

A hard 6×6 board with 10 clues. One unique solution.

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0928

A hard 6×6 board with 10 clues. One unique solution.

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0929

A hard 6×6 board with 10 clues. One unique solution.

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0930

A hard 6×6 board with 10 clues. One unique solution.

10/16/2026Play puzzle

Hard Mini Sudoku puzzles have about the fewest clues that scanning can still finish, 10 to 12 on a 6×6, like a Thursday to Sunday daily.

You never need pencil marks or a guess, but the opening is narrow and some boards need a row or column scan to get going again.

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