Sudoku Free Puzzle Game is a welcomed and addictive Brain Sudoku puzzle game on App Store. You can download Sudoku free app for your iPhone. You get 5000+ challenging Sudoku puzzles everyday to one true solution. Classic Sudoku the best puzzle game for your brain, logical thinking, memory, and A GOOD TIME KILLER! 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 1. Sudoku puzzles come in 4 difficulty levels - easy Sudoku, medium Sudoku, hard Sudoku and expert Sudoku! Perfect for Sudoku beginners and advanced players! 2. Daily Challenges - Complete Daily Challenges and collect trophies. 3. Pencil Mode - Turn on/ off pencil mode as you like. 4. Highlight Duplicates - to avoid repeating numbers in a ...