Happy Sudoku-Sudoku Game

Happy Sudoku is an intelligent Sudoku game developed with Flutter, combining AI technology with innovative level design. The game features a dynamic infinite-scrolling level selection system, providing players with a unique gaming experience.

Core Features

1. Innovative Level System

   • Dynamic Level Path: Programmatically generated infinite scrolling curve path for level display
   • Stage-based Layout: Levels divided into multiple stages, each containing a fixed number of levels
   • Smart Loading: Lazy loading technology for optimized performance and memory usage
   • Smooth Experience: Intelligent scroll monitoring and preloading mechanism
   • Visual Feedback: Current level highlighting, clear stage separation, and special character display

2. Smart Game Features

   • AI Hint System: Intelligent analysis of solving strategies
   • Note Mode: Support for candidate number recording in cells
   • Highlight Hints: Highlight same numbers for assistance
   • Error Detection: Real-time input error detection
   • Undo Function: Support for undoing previous moves

3. Game Interface

   • Professional Sudoku Board: 9x9 standard grid with clear 3x3 sub-grid division
   • Smart Input System: Bottom number pad supporting number input and note mode
   • Visual Feedback: Selected cell highlighting with related cells (row, column, box) highlighting
   • Status Display: Timer, error counter (heart display), game progress
   • Theme Switching: Multiple preset themes (green, blue, sakura, red, deep purple)

4. Game Mechanics

   • Difficulty Levels: From beginner to master level
   • Progress Saving: Independent save for each level
   • Achievement System: Record solving time and success rate
   • Error Limit: Maximum 3 errors allowed
   • Haptic Feedback: Operation vibration feedback

5. Personalization

   • Theme Customization: Multiple preset themes with real-time switching
   • Haptic Settings: Customizable vibration feedback
   • Interface Optimization: Dark mode support, customizable font size
   • Operation Habits: Customizable gestures and operation methods
   • Multilingual: Support for 18 languages

6. Technical Features

   • Performance Optimization: Smooth gaming experience, low power consumption
   • Offline Mode: Full offline support
   • Auto-save: Real-time progress saving
   • Data Security: Secure user data storage
   • Continuous Updates: Regular feature optimization and content updates

Usage Scenarios

1. Daily Entertainment

   • Commute Time: Solve puzzles during travel
   • Relaxation: Unwind after work or study
   • Waiting Time: Pass time while waiting
   • Bedtime Relaxation: Light game for better sleep
   • Family Entertainment: Suitable for all ages

2. Learning and Training

   • Mathematical Thinking: Develop logical reasoning
   • Concentration: Improve focus and attention
   • Memory: Exercise memory through puzzle solving
   • Thinking Training: Develop systematic thinking
   • Stress Relief: Relax through puzzle solving

3. Professional Training

   • Sudoku Competition: Preparation for competitions
   • Brain Training: Professional brain training tool
   • Solving Techniques: Learn advanced solving methods
   • Speed Training: Improve solving speed
   • Difficulty Challenge: Challenge high-difficulty puzzles