Sudoku, also known Number Place, is the most popular logic based number-placement puzzle in the world. Fill the 9×9 grid with digits so that each column, each row, and each of the nine 3×3 sub-grids contains all of the digits from 1 to 9 now! Sudoku Features: - More than 20,000 well posed puzzles - 4 perfectly balanced difficulty levels - Complete Daily Challenges to collect trophies - Turn on/off Notes (Pencil) mode as you like - Highlight Duplicates to avoid identical numbers in a row, column and sub-grid - Intelligent Hints can guide you through the numbers whenever you get stuck - 2 Input modes: Cell first or Digit first - Super smooth interfaces like on paper/newspaper - Unlimited Undo and Eraser to help you get rid of mistakes - Highlighting of a row, column and sub-grid related to the selected cell to help you discover patterns - Automatically saves your game when you get a phone call, switch applications, or lock the phone - Day mode and Night mode If you enjoy Sudoku, this is the app for you!