. 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 favourite app with you wherever you go. Playing Sudoku on mobile is . Choose any level you like. Play easier levels to exercise your brain, logical thinking and memory, or try hard levels to give your mind a real workout. Our classic puzzle game has some features that make sudoku easier for you: hints, auto-check, and duplicates highlight. You can use them or complete the challenge without help – it's up to you! What's more, in our app each puzzle has one solution. You will find all you need whether you are playing your first sudoku, or you've progressed to expert difficulty. ✓ Complete Daily Challenges and get unique trophies ✓ 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 - Statistics. Track your progress for each difficulty level: analyse your best time and other achievements - 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 • 9x9 grid • 4 perfectly balanced levels of difficulty: easy, medium, hard, and expert • Support both phones and tablets • Portrait and landscape mode for tablets • Simple and intuitive design Challenge your brain anywhere, anytime!