Sudoku - Free Sudoku Puzzles, Number Puzzle Game "Sudoku - Free Sudoku Puzzles, Number Puzzle Game" is a FREE number puzzle game and single player game. "Sudoku - Free Sudoku Puzzles, Number Puzzle Game" is also a brain game and offline game. You can download Sudoku free app for your android phone and tablet. Classic Sudoku is a logic-based number puzzle game and the goal is to place 1 to 9 digit numbers into each grid cell so that each number can only appear once in each row, each column and each mini-grid. With our Sudoku puzzle app, you can not only enjoy sudoku games anytime anywhere, but also learn Sudoku techniques from it. Key Features: 💥 Sudoku puzzles come in 4 difficulty levels - easy Sudoku, medium Sudoku, hard Sudoku and expert Sudoku! Perfect for Sudoku beginners and advanced players! 💥 Daily Challenges - Complete Daily Challenges and train you brain. 💥 Pencil Mode - Turn on/ off pencil mode as you like. 💥 Highlight Duplicates - to avoid repeating numbers in a row, column and block. 💥 Intelligent Hints - guide you through the numbers when you get stuck. Daily sudoku is the best way to start your day! 1 or 2 classic sudoku puzzles will help you to wake up, make your brain work, and help you to be ready for a productive working day. Download this classic number game and play sudoku free puzzles offline. Challenge your brain anywhere, anytime! Have a good time!