Sudoku

Objective: Fill all the empty cells so that each of the rows, columns, and block in the game board contain numbers 1-9.

How to Play:
* Select a cell, and press on a number (1-9) from the number pad below to enter.
* Use Undo to revert last step(s), and eraser to delete a specific number you entered.
* Use Notes mode to enter possible numbers - just like using a paper and pencil.
* Get Hints if you are stuck on a step.

Features:
* Beautiful and elegant UI and game-play.
* Automatically saves last game - pick up right where you left off.
* Four levels of difficulty to choose from.
* Highlight duplicate numbers in each row, column, and block.
* If you enter a cell with a number, the same numbers are highlighted.
* When the number is finalized, remove it from all notes in a row, column, and block.
* Theme colors to choose from.
* Mute sounds.