Sudoku - Classic Puzzle No Ads

Relax, focus, and challenge your brain with classic Sudoku. Play four difficulty levels, use unlimited undo, or enter your own Sudoku puzzles and solve them quickly.

Enjoy Sudoku the simple, relaxing way.

Sudoku Classic brings you clean, easy-to-read number puzzles with four difficulty levels: Easy, Medium, Hard, and Expert. Whether you're new to Sudoku or an experienced puzzle solver, you can find the right challenge for every moment.

Play at your own pace with helpful tools including unlimited undo, hints, and candidate marks. Take on a fresh Daily Challenge, sharpen your logic skills, or simply enjoy a quiet puzzle whenever you want.

Found a Sudoku puzzle in a newspaper, magazine, or book? Use the Custom Puzzle feature to enter any Sudoku grid and work through it directly in the app.

Features:

• Easy, Medium, Hard & Expert Sudoku puzzles
• Daily Sudoku Challenge
• Unlimited undo
• Helpful hints when you get stuck
• Candidate marks for possible numbers
• Custom Sudoku puzzle input
• Clean and easy-to-read game board
• Relaxing logic gameplay
• No distracting ads

Sudoku doesn't require math—just logic, observation, and deduction. Fill every row, column, and 3×3 box with the numbers 1 through 9 without repeating a digit.

Train your brain, improve your concentration, and enjoy classic Sudoku anytime.