Diagonal Sudoku adds an exciting new rule: both main diagonals must also contain numbers 1-9 without repetition.
This simple change transforms every puzzle into a deeper strategic challenge.
Whether you're a Sudoku veteran seeking new challenges or a beginner looking to sharpen your mind, Diagonal Sudoku offers the perfect brain workout with four difficulty levels and fresh daily puzzles.
【DAILY CHALLENGES & STREAKS】
Start each day with a new puzzle!
Complete daily challenges to build your streak and stay sharp.
Track your progress and compete with yourself to maintain the longest streak.
【FOUR DIFFICULTY LEVELS】
- Easy: 40 starting numbers for relaxed play
- Medium: Balanced challenge for daily players
- Hard: Test your skills with fewer hints
- Expert: Only 22 numbers for ultimate brain training
【ACHIEVEMENTS & RANKING SYSTEM】
Unlock 10 unique achievements as you play.
Progress through 7 ranks from Novice to Grandmaster.
Every completed puzzle earns points based on difficulty, speed, and accuracy.
【SMART FEATURES】
- Pencil notes to track candidates
- Hints when you're stuck
- Error highlighting to learn faster
- Auto-save ensures you never lose progress
- Customize timer display, haptic feedback, and more
【PREMIUM FEATURES】
Upgrade for the ultimate experience:
- Unlimited hints
- No ads
- Exclusive weekly challenges with bonus points
- Access to past 30 daily puzzles
- Detailed performance statistics
【Terms of Use (EULA)】
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Download now and discover why the diagonal twist makes all the difference. Your daily brain training starts here!
What's new (v1.04)
Save your game progress and resume anytime — never lose your place again.