Bi Sudoku - Puzzle Game

Bi Sudoku — the world's most loved number puzzle, now with a modern twist! Whether you're a beginner or a Sudoku master, enjoy thousands of handcrafted puzzles with smart hints that actually teach you solving techniques.

🧩 CLASSIC SUDOKU & BEYOND
Play the classic 9x9 Sudoku you know and love, plus exciting variants:
• Mini Sudoku (4x4) — Perfect for quick sessions
• Diagonal Sudoku — Extra diagonal constraints for a fresh challenge
• Killer Sudoku — Sum-based cages for advanced players
• Color Sudoku — A colorful twist on the classic

🎯 MULTIPLE DIFFICULTY LEVELS
Challenge yourself at every skill level:
• Easy — Great for beginners learning the basics
• Medium — The perfect daily brain workout
• Hard — Test your logical thinking
• Expert — Only for true Sudoku masters

🧠 SMART HINT SYSTEM
Unlike other Sudoku apps, our hints don't just give you the answer — they explain the logic behind each move:
• "This cell must be 7 because all other numbers appear in this row and block"
• Learn techniques: Naked Singles, Hidden Pairs, Pointing Pairs, and more
• Improve your skills with every game

🏆 DAILY CHALLENGES & STREAKS
• A fresh puzzle every single day
• Build your daily streak
• Earn rewards for consecutive completions
• Track your progress on the calendar view

🎮 6 EXCITING GAME MODES
• Classic — Standard Sudoku gameplay
• Zen Mode — No timer, no pressure, pure relaxation
• Time Attack — Race against the clock
• No Mistakes — One wrong move and it's game over
• Survival — Progressive difficulty that keeps pushing you
• Challenge — Special objectives to test your limits

📊 DETAILED STATISTICS
Track your Sudoku journey:
• Games played, solved, and win rate
• Best and average completion times
• Streak tracking
• Difficulty distribution chart
• Hint and mistake statistics

🏅 ACHIEVEMENTS & LEADERBOARDS
• 15+ achievements to unlock
• Compete on global leaderboards
• Compare your best times across all difficulties

✏️ GAMEPLAY FEATURES
• Pencil Mode (Notes) — Mark candidate numbers
• Unlimited Undo & Redo
• Auto-erase invalid notes
• Smart highlighting of rows, columns, and boxes
• Mistake detection
• Auto-save — Never lose your progress

🎨 BEAUTIFUL THEMES
• Light & Dark themes
• Neon theme for night play
• Minimal theme for distraction-free gaming
• Earn coins to unlock exclusive themes

🌍 15 LANGUAGES SUPPORTED
English, Türkçe, العربية, Deutsch, Español, Français, हिन्दी, עברית, Bahasa Indonesia, 日本語, 한국어, Bahasa Melayu, Português, Русский, 中文

📴 WORKS OFFLINE
Play anytime, anywhere — no internet connection required!

💰 COIN SYSTEM & REWARDS
• Earn coins by completing puzzles
• Bonus coins for perfect games (no mistakes, no hints)
• Watch ads for extra rewards
• Spend coins on themes and hints

⭐ PREMIUM OPTION
Upgrade to Premium for the ultimate experience:
• Remove all ads
• Unlimited hints
• Exclusive premium themes

Download Sudoku now and start training your brain today! Whether you have 5 minutes or an hour, there's always a perfect puzzle waiting for you.