Sudoku is unique puzzle game experience on mobile like real sudoku on paper with pencil :) Exercise your brain where ever you go with Sudoku puzzle game with 3 levels of difficulties easy, medium and hard. Each difficulty contains several puzzle packs and each pack contains 30 puzzles now. Total 2700+ Sudoku puzzles. Solve puzzles in Sudoku, Achieve the achievements, check your worldwide rank in leaderboard and compete your friends if they can solve more puzzles then you. HOW TO PLAY: Tap on empty cell, select it and then tap on a number from keyboard to enter solution. Place numbers 1 through 9 in empty cells. Each row, column and square(3x3) needs to be filled with numbers 1 through 9, without repeating any numbers within the row, column or square(3x3) When whole sudoku puzzle cells filled with solution without any errors, Puzzle solved!! Features of game: ✓ Daily challenge. Solve sudoku once per day ✓ Night mode Theme ✓ 3 levels of difficulties Easy, medium and hard. ✓ Auto-save if you leave a sudoku unfinished ✓ Unlimited Undo option ✓ Use Hint where you are stuck in game ✓ Highlighting of a row and column related to the selected cell ✓ Highlighting of Similar numbers in a cell ✓ Automatic error detection of numbers which fail to match final sudoku solution ✓ Control Auto remove notes from settings ✓ Highlight Repeated numbers in each column, row and block ✓ Eraser to get rid from mistakes made ✓ Turn on/off time during game play ✓ Use Pencil to make notes ✓ Reset puzzle at any point ✓ Simple tutorial to learn how to play sudoku ✓ Check how much puzzle you solved and your rank in leaderboard ✓ Check how much total time you spent in sudoku in leaderboard ✓ Achieve different achievements To access Leaderboard and Achievements, you have to sign in using google plus account. Available Languages: English, Portuguese(Brazil), Spanish, French, German, Italian, Japanese, Danish, Dutch, Chinese, Greek, Romanian, Turkish, Norwegian, Polish and Korean