Hard Mini Sudoku Puzzles
Page 1 of 60 · 760 puzzles
6×6 Hard Puzzles
10 puzzles
Mini Sudoku 6x6 #0003
A hard 6×6 board with 10 clues. One unique solution.
Mini Sudoku 6x6 #0004
A hard 6×6 board with 10 clues. One unique solution.
Mini Sudoku 6x6 #0153
A hard 6×6 board with 11 clues. One unique solution.
Mini Sudoku 6x6 #0154
A hard 6×6 board with 11 clues. One unique solution.
Mini Sudoku 6x6 #0155
A hard 6×6 board with 11 clues. One unique solution.
Mini Sudoku 6x6 #0156
A hard 6×6 board with 12 clues. One unique solution.
Mini Sudoku 6x6 #0157
A hard 6×6 board with 11 clues. One unique solution.
Mini Sudoku 6x6 #0158
A hard 6×6 board with 11 clues. One unique solution.
Mini Sudoku 6x6 #0159
A hard 6×6 board with 11 clues. One unique solution.
Mini Sudoku 6x6 #0160
A hard 6×6 board with 12 clues. One unique solution.
8×8 Hard Puzzles
10 puzzles
Mini Sudoku 8x8 #0181
A hard 8×8 board with 20 clues. One unique solution.
Mini Sudoku 8x8 #0182
A hard 8×8 board with 20 clues. One unique solution.
Mini Sudoku 8x8 #0183
A hard 8×8 board with 21 clues. One unique solution.
Mini Sudoku 8x8 #0184
A hard 8×8 board with 21 clues. One unique solution.
Mini Sudoku 8x8 #0185
A hard 8×8 board with 20 clues. One unique solution.
Mini Sudoku 8x8 #0186
A hard 8×8 board with 20 clues. One unique solution.
Mini Sudoku 8x8 #0187
A hard 8×8 board with 20 clues. One unique solution.
Mini Sudoku 8x8 #0188
A hard 8×8 board with 20 clues. One unique solution.
Mini Sudoku 8x8 #0189
A hard 8×8 board with 21 clues. One unique solution.
Mini Sudoku 8x8 #0190
A hard 8×8 board with 21 clues. One unique solution.
10×10 Hard Puzzles
10 puzzles
Mini Sudoku 10x10 #0181
A hard 10×10 board with 38 clues. One unique solution.
Mini Sudoku 10x10 #0182
A hard 10×10 board with 37 clues. One unique solution.
Mini Sudoku 10x10 #0183
A hard 10×10 board with 38 clues. One unique solution.
Mini Sudoku 10x10 #0184
A hard 10×10 board with 37 clues. One unique solution.
Mini Sudoku 10x10 #0185
A hard 10×10 board with 36 clues. One unique solution.
Mini Sudoku 10x10 #0186
A hard 10×10 board with 36 clues. One unique solution.
Mini Sudoku 10x10 #0187
A hard 10×10 board with 37 clues. One unique solution.
Mini Sudoku 10x10 #0188
A hard 10×10 board with 36 clues. One unique solution.
Mini Sudoku 10x10 #0189
A hard 10×10 board with 36 clues. One unique solution.
Mini Sudoku 10x10 #0190
A hard 10×10 board with 38 clues. One unique solution.
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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