Cat Sudoku | HTML5 Logic Puzzle Game

Cat Sudoku is a beautifully designed HTML5 logic puzzle game that combines the classic Sudoku experience with adorable cat-themed visuals. Players must place different cat characters into the grid while ensuring that no cat is repeated within the same row, column, or highlighted region.

Featuring smooth animations, responsive controls, multiple difficulty levels, and an elegant modern interface, Cat Sudoku delivers a relaxing yet challenging brain-training experience for players of all ages on both desktop and mobile devices.

Built entirely with HTML5, CSS3, and Vanilla JavaScript, the game requires no installation or plugins and runs directly inside any modern web browser. Main Features Cute cat-themed Sudoku gameplay Modern clean user interface Smooth animations and visual effects Responsive mobile-first design Desktop, tablet, and mobile support Multiple difficulty levels Intelligent puzzle generation Unlimited replayability Instant puzzle restart Hint system Error highlighting Auto validation Sound effects Background music Touch and mouse controls Fast loading performance Lightweight optimized code Easy to customize Well-commented source code No external game engine required Gameplay

Players must correctly place each cat into the Sudoku grid.

The objective is simple:

Each row must contain every cat exactly once. Each column must contain every cat exactly once. Each highlighted region must also contain every cat exactly once. Complete the entire board without breaking any Sudoku rules to win the game.

Choose your preferred difficulty level and improve your logical thinking, concentration, and problem-solving skills while enjoying charming cat artwork. Technology Used HTML5 CSS3 Vanilla JavaScript (ES6) HTML5 Canvas API (if used) Web Audio API Google Fonts (or Local Fonts if included) CSS Animations Responsive Design Local Storage (High Score & Settings) Touch Events RequestAnimationFrame Included Files HTML Files CSS Files JavaScript Files Assets Folder Audio Files Image Files Documentation Browser Support

Fully compatible with all modern browsers.

Google Chrome Mozilla Firefox Microsoft Edge Safari Opera Brave Samsung Internet Mobile Chrome Mobile Safari Easy Customization

The project is well organized and easy to customize.

You can easily modify:

Colors Cat graphics Difficulty settings Sounds Music UI elements Animations Game rules Branding Troubleshooting Game does not start Ensure JavaScript is enabled. Upload all project files correctly. Use a modern web browser. Sounds do not play Click or tap once to activate browser audio. Verify browser audio permissions are enabled. Images are missing Make sure the assets folder has been uploaded. Verify all image paths are correct. Fonts not loading Ensure internet access for Google Fonts. Replace with local fonts if preferred. Touch controls not working Test using HTTPS. Update to the latest version of your mobile browser. Technical Details Built with pure HTML5, CSS3, and Vanilla JavaScript No PHP required No database required No backend required No framework dependency Easy installation Cross-browser compatible Mobile optimized Fully responsive Clean and organized source code Well documented