Izi Sudoku: Logic Puzzle Game

Izi Sudoku is a beautiful, modern Sudoku puzzle game for everyone — from your first puzzle to expert-level challenges. Train your brain with classic number puzzles, anytime, anywhere, online or offline.

DAILY CHALLENGE
One puzzle a day, the same for every player in the world. Win it to earn a Bronze, Silver, Gold or Diamond medal — scored on speed, mistakes and hints — and fill your monthly trophy calendar. Missed a day? A streak freeze keeps your run alive.

LEARN THE TECHNIQUES
- Training mode teaches real solving techniques step by step
- Teaching hints explain the logic behind a move instead of just filling a cell
- 42 achievements to unlock, including hidden ones

🧩 CLASSIC SUDOKU, 4 DIFFICULTY LEVELS
Fill the 9x9 grid so every row, column and 3x3 box contains 1–9. Choose Easy, Medium, Hard or Expert. Every puzzle is generated with a guaranteed unique solution.

✨ SMART ASSISTANCE
• Hints when you're stuck (earn extra hints by watching a quick ad)
• Pencil marks / notes for candidate numbers
• Unlimited undo & redo
• Optional mistake highlighting and conflict detection
• Second-chance revive on any difficulty

☁️ PLAY ANYWHERE, NEVER LOSE PROGRESS
• Fully playable offline — a large library of pre-checked puzzles ships with the app
• Cloud sync across devices with Google or Apple sign-in
• Resume any unfinished game on any device
• Or just play as a Guest, no account needed

📈 TRACK YOUR PROGRESS
• Win rate, best times and current streak
• XP, levels and achievements
• Detailed statistics by difficulty

🎨 DESIGNED TO RELAX
• Clean, modern interface with light & dark themes
• Distraction-free, comfortable for long sessions
• Available in 10 languages

Izi Sudoku is supported by ads. Prefer to play without them? Upgrade to Pro to remove ads and enjoy uninterrupted puzzling.

Download Izi Sudoku now and start solving!