Sudoku for beginners and advanced players. Whether you’d like to relax or keep mind active – pass your free time in a pleasant way! Get a small stimulating break or clear your head with sudoku. Take your favorite app with you wherever you go. Playing Sudoku on mobile is as good as with a real pencil and paper. ***Features*** - Challenge yourself figuring out your mistakes, or enable Auto-Check to see your mistakes as you go - Turn on Pencil mode to make notes as on paper. Each time you fill in a cell, notes are automatically updated! - Highlight duplicates to avoid repeating numbers in a row, column and block - Hints can guide you through the points when you are stuck – Unlimited Undos. Made a mistake? Just put it back quickly! – Auto-save. If you leave a sudoku unfinished it will be saved. Continue playing anytime – Highlighting of a row, column and box related to the selected cell – Eraser. Get rid of all mistakes • More than 5,000 well-formed puzzles • 9×9 grid • 4 perfectly balanced levels of difficulty: easy, medium, hard, and expert • Support both phones and tablets • Simple and intuitive design