Sudoku is offline game to play. A classic math logic puzzle game to increase your brain power and concentration.

Sudoku is a logic-based, combinatorial number-placement puzzle.
The objective is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 sub grids that compose the grid (also called "boxes", "blocks", or "regions") contains all of the digits from 1 to 9.

features:
- Input modes: cell first and digit first - without toggling
- Pencil marks (with automatic removal)
- 5 difficulty levels
- If you need help you can use free hint
- Simple and intuitive tutorial
- You can play Sudoku Glow both on tablets and phones
- Top times
- Works offline
- Digit highlighting
- Count of remaining digits
- Undo
- Board validation
- Different difficulties: Easy, Medium, Hard and Very hard
- Pencil mode to make notes
- Eraser. If you make mistake
- If you need help you can use free hint
- Simple and intuitive tutorial
- You can play Sudoku Glow both on tablets and phones
- Auto-save.