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.