App Features
Discover all the powerful features that make our Sudoku app special
Dual Hint System
Two Types of Hints for Different Needs
🎲 Random Hint
- ✓ Reveals any random empty cell
- ✓ Great for getting unstuck
- ✓ Earn more by completing games
- ✓ Watch ads to earn hints instantly
💡 Specific Hint
- ✓ Reveals the value for YOUR selected cell
- ✓ More strategic - helps you learn
- ✓ Premium subscribers get unlimited
- ✓ Watch ads to earn hints instantly
💡 Pro Tip: Use random hints when completely stuck, use specific hints when you want to learn a particular cell's logic!
Performance Analytics
Track Your Progress & Improvement
- 📈 Games completed by difficulty
- 🏆 Best times tracking by difficulty
- 📊 Completion rate by difficulty
- 🔥 Difficulty streak tracking
- 🎯 Game type filter (Dual Hint/Jigsaw)
- 💡 Personalized recommendations
Daily Challenge
New Puzzle Every Day
- 🔥 Build your streak (consecutive days)
- 📆 New puzzle every day at midnight UTC
- 🏆 Compete on daily leaderboards
- 📜 View calendar of completed challenges
- 🎯 Track your daily completion rate
Leaderboards
Compete with Players Worldwide
- 🌍 Global rankings
- ⏰ 24-Hour leaderboard (top 20)
- 📅 7-Day leaderboard (top 20)
- 🎯 Game type filter (Dual Hint/Jigsaw)
- 🔝 See your current rank
Advanced Notes System
Pencil Marks for Strategic Solving
📝 How to Use
- 1. Click "📝 Notes" button (turns purple)
- 2. Select an empty cell
- 3. Click numbers to toggle notes on/off
- 4. Click "📝 Notes" button to exit mode
- 5. Place final answer - notes stay until cleared
✨ Features
- ✓ Add multiple possible values (1, 3, 5, 7)
- ✓ Displays in 3x3 grid within cell
- ✓ Works with keyboard shortcuts
💡 Strategy: Mark all possible candidates first, then eliminate as you solve!
Keyboard Shortcuts
Solve Faster with Your Keyboard
⚡ Power User Tip: Enable notes mode and use number keys to quickly mark candidates. Keyboard navigation works seamlessly with both number entry and notes!
🎯 How it works: When notes mode is ON, pressing number keys toggles notes. When OFF, they place numbers. Arrow keys work in both modes!
Customization
15+ Settings to Personalize Your Experience