Sudoku

Sudoku is classic Sudoku puzzle game.

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 regions) contain all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a single solution.

Main features:
- Four levels supported: Easy, Medium, Hard and Very Hard.
- Unlimited games.
- Support of puzzle auto saving.
- Fully compatible with screen readers.

Screen: The game is played in portrait screen orientation. Screen is spitted to following areas:
1. The Sudoku puzzle.
2. Current cell selection: current selected cell with three buttons: ROW: reads all cells in row; COLUMN: reads all cells in column and REGION: reads all cells in region.
3. Buttons from 1 to 9 for input value to selected cell.
4. Control buttons: UNDO: undo last input, ERASE: erase value in selected cell, HINT: not used recently.
5. Info about current game: mistake counter, level and solving time.
6. Button Next for opening new puzzle.

How to play:
- Guess the values in each blank cell according to rules.
- Click to individual cell to select cell for input.
- Click buttons 1 to 9 for input value to selected cell.
- Click Undo or Erase to make correction of wrong input.
- If you made 5 mistakes, you lost the game and click New Game to play new puzzle.
- If you resolved the puzzle, click New Game to play new puzzle.

Note:
- This game is a game of Pinocchio Game Collection - Collection of accessible games for blind and visually impaired people.
- It's free without ads.