Sudoku is a great fun for people of all ages. Exercise your brain where ever you go with Sudoku puzzle game with 4 levels of difficulties easy, medium, hard and expert. It's a perfect game for a break or when you're waiting for the bus. It offers daily hints, thousands of brainteaser numbers puzzles and other various features. Features: ★ Complete Daily Challenges and get unique trophies ★ More than 5,000 well-formed Sudoku puzzles are waiting for you. ★ Auto highlight selected numbers, give you sudoku hints, make you be math solver. ★ Our crossword puzzle games support for offline mode, allows you to play sudoku online. ★ Clear sudoku tutorial, logic puzzles for adults, unique sudoku master training ways. ★ Hints - Guide you through the numbers when you are stuck not just an answer but with explanations ★ Eraser - Get rid of all errors quickly ★ Pencil Notes - Hints to help you complete hard ones ★ Timer - to see how fast you are solving various difficulty - 4 difficulty levels: Easy, Medium, Hard, and Expert - More than 5,000 well-formed Sudoku puzzles - Unlimited Undo and Redo. - Auto-Fill Notes Option - Auto Error Checking Option - Auto Noting Empty Squares. - Auto Updating Notes. - Simple and Intuitive Design - Highlight Duplicates - Colorful Theme - Night Mode How to play: 1. Tap on cell with empty number and select appropriate solution from keyboard from 1-9 numbers 2. Easy row and column must be filled with 1-9 numbers without repeating same numbers within each row, column and current square. 3. When sudoku puzzle finish with all numbers solution without any error, puzzle solved. Available Languages: English, Portuguese(Brazil), Spanish, French, German, Japanese, Russian, Chinese, Greek, Korean, India, Indonesian.