A full version app for Android, by Cyanlab Games.

Sudoku Zen: Offline Sudoku & Puzzle Game is a free offline puzzle game. It offers both online and offline modes, so you can play it anywhere you want. The puzzles are unique and can be solved in different ways. It’s a perfect game for people who love solving Sudoku.

The game consists of 6 game modes, 5 difficulty levels, and 2 input modes. It offers a wide range of puzzles. The puzzles can be solved using different tools, such as the pencil, the eraser, and the hint. You can undo the changes you made and can redo the puzzles if you make a mistake. It also offers a way to save your progress, so you won’t lose your progress if you close the app or change your phone.

Sudoku Zen is an offline game, so it doesn’t require an internet connection. It works even if you don’t have a WiFi connection.