Sudoku Classic - Daily Puzzle

Sudoku Classic is the sudoku you've been looking for: free, offline, with a clean design built so you enjoy the puzzle, not the interface.

Pick one of 4 difficulty levels —Easy, Medium, Hard or Extreme— or take on the Daily Challenge: a new sudoku puzzle every day, the same one for every player worldwide. Build your streak and compete with yourself.

▶ FEATURES

✓ Classic 9×9 sudoku with the traditional rules

✓ 4 difficulty levels: easy, medium, hard, extreme

✓ Daily Challenge with calendar and streak tracking

✓ Notes mode (pencil marks) for candidates

✓ Long-press shortcut: hold a keypad digit to add a note directly

✓ Hints for when you get stuck

✓ Optional auto-check to spot mistakes instantly

✓ Row, column and 3×3 block highlighting on cell tap

✓ Same-number highlighting across the whole board

✓ Per-difficulty statistics: games, best times, win percentage

✓ Night mode for comfortable evening play

✓ Configurable vibration and sound effects

✓ Fully offline: play anywhere, no data connection needed

✓ Optimised for phones and tablets

▶ WHY SUDOKU CLASSIC

· A pure sudoku experience — no intrusive ads, no aggressive popups

· Readable board with real contrast: crisp by day, easy on the eyes at night

· Interface designed for both quick sessions and long thoughtful games

· Single tap places a number, long-press adds a pencil mark

· Honest difficulty progression: our extreme puzzles are actually extreme

▶ WHO IT'S FOR

If you love traditional sudoku — the kind you solve by thinking, not guessing — this app is for you. Perfect brain training for your morning coffee, commute, or before bed. Sharpen your memory, logic and focus with one of the best puzzle games ever made.

Sudoku Classic is for all ages and skill levels. Exercise your brain with the greatest logic puzzle of all time.

Download Sudoku Classic now and start your first puzzle.