Simple Sudoku: Free is an iPhone game developed by Yuangang Sheng. This free app offers unlimited sudokus in four different difficulty levels, providing a challenging experience for puzzle enthusiasts of all skill levels. With Game Center support, players can compete for leaderboard rankings and unlock achievements as they solve puzzles.

The app is designed to be user-friendly, with support for iOS 7 and a range of helpful features. Players can receive hints when they get stuck, make notes to keep track of possibilities, and undo or redo moves if they make a mistake. The game also boasts funny animations and sharp graphics, enhancing the overall gameplay experience.

Simple Sudoku: Free is a great choice for anyone looking to exercise their brain and enjoy the classic puzzle game on their iPhone. If you find the app enjoyable, the developer kindly requests users to rate and review it. Download Simple Sudoku: Free today and start challenging yourself with endless sudoku puzzles.