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•v2.0.0New Feature
Major UI Overhaul & Multilingual Support
Complete redesign inspired by leading sudoku platforms with support for 19 languages.
- ✓New modern UI design matching professional sudoku sites
- ✓Support for 19 languages including English, Japanese, Chinese, Spanish, and more
- ✓Improved number pad with remaining count indicators
- ✓Enhanced pause/resume functionality
- ✓Better mobile responsiveness
- ✓Daily challenge feature
•v1.5.0New Feature
Game Controls Enhancement
Added new game controls for better solving experience.
- ✓Notes mode for pencil marks
- ✓Undo functionality with history
- ✓Hint system for stuck players
- ✓Mistake tracking (3 mistakes = game over)
- ✓Timer with pause capability
- ✓Keyboard shortcuts support
•v1.4.0Improvement
SEO & Performance Improvements
Enhanced search engine optimization and site performance.
- ✓Added structured data (Schema.org) for better search visibility
- ✓Improved page load times
- ✓Better image optimization
- ✓Enhanced security headers
- ✓PWA support for offline play
•v1.3.0New Feature
Content Expansion
Added comprehensive guides and strategy content.
- ✓Complete solving guide with step-by-step instructions
- ✓Advanced strategies (X-Wing, Swordfish, XY-Chain)
- ✓FAQ sections on all pages
- ✓Difficulty comparison guide
- ✓17-clue challenge information
•v1.2.0New Feature
Printable Puzzles
Added ability to print puzzles for offline solving.
- ✓Printable puzzle pages
- ✓PDF download option
- ✓Multiple difficulty levels
- ✓Solutions included
•v1.0.0New Feature
Initial Launch
Sudoku Evil website launched with core features.
- ✓Free online sudoku game
- ✓Four difficulty levels (Easy, Medium, Hard, Evil)
- ✓Responsive design for all devices
- ✓Timer and game statistics
- ✓Clean, distraction-free interface
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