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6×6 Mini Sudoku Puzzles

6×6 Mini Sudoku is the quickest format here: digits 1–6, six 3×2 regions, and enough structure to solve in a few focused minutes.

Start with rows and regions that already have several givens, then use pencil marks only where a cell has two or three realistic candidates.

Page 1 of 10 · 300 puzzles

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hard
6×6

Mini Sudoku 6x6 #0300

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0299

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0298

A hard 6×6 puzzle. One unique solution. Tap to play.

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hard
6×6

Mini Sudoku 6x6 #0297

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0296

A hard 6×6 puzzle. One unique solution. Tap to play.

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hard
6×6

Mini Sudoku 6x6 #0295

A hard 6×6 puzzle. One unique solution. Tap to play.

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hard
6×6

Mini Sudoku 6x6 #0294

A hard 6×6 puzzle. One unique solution. Tap to play.

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hard
6×6

Mini Sudoku 6x6 #0293

A hard 6×6 puzzle. One unique solution. Tap to play.

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hard
6×6

Mini Sudoku 6x6 #0292

A hard 6×6 puzzle. One unique solution. Tap to play.

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hard
6×6

Mini Sudoku 6x6 #0291

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0290

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0289

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0288

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0287

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0286

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0285

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0284

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0283

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0282

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0281

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0280

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0279

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0278

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0277

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0276

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0275

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0274

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0273

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0272

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
hard
6×6

Mini Sudoku 6x6 #0271

A hard 6×6 puzzle. One unique solution. Tap to play.

2/10/2026Play puzzle
6×6 Mini Sudoku — Free Online Logic Puzzles