Sudoku, developed by AI Factory Limited, is a full-version game available for Android. With over 2,500 puzzles, players can enjoy five different levels of difficulty, ranging from easy to extreme. The game is ad-free, making it a seamless experience for Sudoku enthusiasts.

The game offers various modes for note input, catering to different playing styles. Players can use the pre-fill notes option and the auto-clear notes option to make the game more user-friendly. Additionally, the game offers optional hints, undo, and board aids, which can be used to solve puzzles more efficiently. The game comprises four different fonts/sets of symbols and five boards, making it visually appealing. The game's statistics tracking feature keeps track of fastest times, average times, and completion percentages for each level, making it an excellent tool for tracking progress. Sudoku has a super-smooth interface and graphics and is suitable for both phones and tablets.

Overall, Sudoku by AI Factory Limited is an excellent game for those who love Sudoku. With its various difficulty levels and user-friendly features, it is an ideal game for beginners and experienced players alike. Its smooth interface and graphics make it a joy to play, and the statistics tracking feature adds an extra layer of engagement for players who want to track their progress.