Classic Sudoku by Logic Wiz

Classic Sudoku by Logic Wiz is a free entertaining logic game and brain training app, joining a family of Sudoku and Logic games developed by Logic Wiz.
The puzzles are beautifully handcrafted and divided into 6 playing levels from Beginner to Master.
The app comes with a great interface and tools for novice and professional solvers.
Smart hints show the next logical step to overcome hurdles and help you become a better player.
The Logic Wiz Sudoku free app was chosen as the Best Sudoku app and the Best Brain Training app.
About Sudoku:
Sudoku is a logic number game. The objective is to fill a 9x9 board with the digits 1 to 9, so that no digit appears twice in a row, column and 3x3 box.

Puzzle Features:
* Beautiful handcrafted boards.
* Unique solution to each puzzle.
* All boards designed and created by Logic-Wiz.

Game Features:
* Smart Hints to help and teach.
* Weekly Challenge.
* Gallery game view.
* Play multiple games concurrently.
* Cloud Sync - Synchronize your progress over multiple devices.
* Keep Screen Awake.
* Light and Dark Theme.
* Sticky digit mode.
* Remaining cells of a digit.
* Select multiple cells at once.
* Select multiple cells at distributed locations of the board.
* Multiple pencil marks styles.
* Double notation.
* Auto remove pencil marks.
* Highlight matching digits and pencil marks.
* Multiple error modes.
* Performance tracking for each puzzle.
* Statistics and Accomplishments.
* Unlimited Undo/Redo.
* Various cell marking options- highlights and symbols
* Track and improve solving time.
* Board preview.
* Reset Level
* Mobile Phones and Tablets.