Level:

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Game over

You made 3 errors and lost this game

You lost!
You won!
Errors: 0/3
00 : 00
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9

Hotkeys:

  • Q - Notes mode
  • W - Hint
  • E - Pause/Resume
  • Enter - New game
  • ←↑→↓ - Move between cells
  • 1-9 - Enter numbers

Sudoku Medium — Balanced challenge

The Medium level of Sudoku represents the perfect balance between accessibility and interest. Here you will find puzzles that require more reflection than easy ones, but at the same time remain solvable without applying complex techniques. This level is ideal for players with basic experience who want to develop their logical thinking skills.

Medium Level Features

The Medium level of Sudoku offers optimal difficulty balance:

  • Moderate number of clues: 35-40 cells initially filled, requiring deeper analysis.
  • Varied techniques: it is necessary to apply various solving strategies, but without extreme difficulties.
  • Solving time: 15-30 minutes per puzzle, ideal for complete mental training.
  • Logical connections: it is required to find non-obvious connections between cells and blocks.
  • Skill development: excellent platform for mastering advanced solving techniques.
  • Solving satisfaction: each solved puzzle brings a true sense of achievement.

Strategies for the Medium Level

  1. Candidate analysis: carefully study the possible digits for each cell.
  2. Hidden singles search: look for digits that can only be in one cell of the block.
  3. Pairs technique: find pairs of digits that can only be in two cells.
  4. Block exclusion: use information from neighboring blocks to exclude options.
  5. Systematic notes: keep records of possible digits for complex cells.
  6. Hypothesis verification: try different options and analyze their consequences.

Why the medium level is ideal for development

The Medium level of Sudoku is the perfect middle ground, where you can develop your skills without facing excessive difficulties. Here you will learn to apply various solving techniques, develop logical thinking and enjoy the intellectual challenge. This level is suitable both for regular training and preparation for more complex puzzles.

Rules and techniques

The goal of Sudoku is to fill a 9×9 grid with digits from 1 to 9 so that:

  • Each row contains all digits from 1 to 9 without repetitions.
  • Each column contains all digits from 1 to 9 without repetitions.
  • Each small 3×3 square contains all digits from 1 to 9 without repetitions.

At the medium level it is important to apply a systematic approach and not rush with solutions.

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