Sudoku by Block Puzzle Games is a free iPhone app that offers the classic and challenging logic game of numbers. The objective is to write the numbers 1-9 in every square without repeating the same number in the same row or column. This game is perfect for those who love to train their brains and become math masters!

This app features tons of puzzles that are all completely free to play. Sudoku by Block Puzzle Games offers four difficulty modes: easy, medium, hard, and expert, catering to players of all skill levels. Additionally, if you get stuck, the app provides hints to help guide you through the puzzle. You can also use the pencil to mark numbers in squares, and erase mistakes. The app highlights all the numbers on the board that are the same as the one you click on, making it easier to solve puzzles faster. Lastly, you can play Sudoku without wifi and the app saves your progress automatically, allowing you to continue your game later.