Sudoku Zen: Classic Puzzle

Sudoku Zen is a calm, classic Sudoku for your phone. No clutter, no timers shouting at you: just a clean board, a soothing blue palette and hundreds of hand-checked puzzles.

HOW TO PLAY
• Fill the 9×9 grid so every row, column and 3×3 box contains the digits 1 to 9.
• Tap a cell, then tap a number. Turn on Notes to pencil in candidates.
• A wrong digit counts as a mistake; after 3 mistakes the game is over, but you can get a second chance.

FEATURES
• 4 difficulty levels: Easy, Medium, Hard and Expert.
• 600+ puzzles, each with a single unique solution.
• Smart highlighting of the selected row, column, box and matching numbers.
• Pencil notes with automatic clean-up when you place a number.
• Undo, erase, 3 free hints per game, mistake counter and timer.
• Your game is saved automatically, continue whenever you like.
• Statistics: games won and best time for every difficulty.
• Works offline, no account needed.
• Supports English, Arabic and French.
• Small download, runs on almost any phone.

Train your logic, relax your mind and enjoy a few quiet minutes of Sudoku every day.