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Hard Mini Sudoku Puzzles

Page 11 of 60 · 760 puzzles

6×6 Hard Puzzles

10 puzzles

View all 6×6 puzzles →
Hard
6×6

Mini Sudoku 6x6 #0251

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

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0252

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

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0253

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

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0254

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

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0255

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

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0256

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

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0257

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

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0258

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

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0259

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

10/16/2026Play puzzle
Hard
6×6

Mini Sudoku 6x6 #0260

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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