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Development & Roadmap

Welcome! This document provides transparency into SudoSodoku's development process, upcoming features, and how we ensure quality. Whether you're a user curious about what's coming next, or a contributor looking to help, this is the place to find information.

📋 Table of Contents

  1. Feature Roadmap
  2. Feature Priority
  3. Release Checklist
  4. Implementation Guidelines

🗺️ Feature Roadmap

Planned Features

  1. Detailed Statistics 📊
  2. iPad Optimization 📱
  3. Achievement System 🏅
  4. Global Leaderboard 🌍 (Requires Apple Developer features)
  5. Hint System 💡
  6. Tutorial Mode 📚
  7. macOS Version 💻
  8. Custom Themes 🎨
  9. Variant Sudoku 🔀
  10. AI Features 🤖

Feature Details

1. Detailed Statistics 📊

Priority: High | Version: v1.1 | Complexity: Medium

Features:

  • Completion time tracking
  • Difficulty analysis and success rates
  • Progress charts over time
  • Technique usage tracking
  • Error analysis heatmap
  • Streak tracking (daily/weekly/monthly)
  • Performance metrics

Implementation:

  • New StatisticsManager class
  • Extend GameRecord with timing data
  • New StatisticsView with Swift Charts
  • Data aggregation functions

2. iPad Optimization 📱

Priority: High | Version: v1.1 | Complexity: Medium

Features:

  • Adaptive layout for larger screens
  • Split view support
  • Keyboard shortcuts
  • Trackpad/mouse support
  • Stage Manager support
  • Larger board display

Implementation:

  • Size class detection
  • New iPadGameView with optimized layout
  • Keyboard event handling
  • Pointer interaction enhancements

3. Achievement System 🏅

Priority: Medium | Version: v1.2 | Complexity: Medium

Features:

  • Completion achievements
  • Difficulty achievements
  • Speed achievements
  • Streak achievements
  • Rating achievements
  • Technique achievements

Implementation:

  • New AchievementManager class
  • Achievement definitions (Codable)
  • Progress tracking
  • Game Center integration

4. Global Leaderboard 🌍

Priority: Medium | Version: v1.3 | Complexity: High

Features:

  • ELO leaderboard
  • Category leaderboards
  • Friend rankings
  • Regional rankings
  • Historical rankings

Requirements:

  • Paid Apple Developer Account
  • Game Center configuration
  • CloudKit setup

5. Hint System 💡

Priority: Medium | Version: v1.2 | Complexity: Medium-High

Features:

  • Cell hints
  • Candidate hints
  • Technique hints
  • Step-by-step guidance
  • Hint cost/limit system

Implementation:

  • New HintManager class
  • Hint generation algorithms
  • Technique detection
  • Cost system

6. Tutorial Mode 📚

Priority: Medium | Version: v1.2 | Complexity: Medium

Features:

  • Interactive tutorials
  • Solving techniques guide
  • Progressive learning
  • Practice puzzles
  • Progress tracking

Implementation:

  • New TutorialManager class
  • Tutorial content system
  • Interactive overlay
  • Step-by-step guidance

7. macOS Version 💻

Priority: Low | Version: v2.0 | Complexity: High

Features:

  • Native macOS app
  • Window management
  • Menu bar integration
  • Keyboard navigation
  • Trackpad gestures

Implementation:

  • New macOS target
  • Platform-specific UI
  • Shared codebase
  • macOS-specific features

8. Custom Themes 🎨

Priority: Low | Version: v1.4 | Complexity: Medium

Features:

  • Multiple theme options
  • Theme customization
  • Theme preview
  • Theme persistence

Implementation:

  • New ThemeManager class
  • Theme definitions
  • Color scheme system
  • Theme storage

9. Variant Sudoku 🔀

Priority: Low | Version: v1.5 | Complexity: High

Features:

  • Diagonal Sudoku
  • Irregular Sudoku
  • Hyper Sudoku
  • Windoku
  • Killer Sudoku
  • Samurai Sudoku

Implementation:

  • New VariantSudokuGenerator
  • Variant rule definitions
  • Variant-specific validation
  • UI adaptations

10. AI Features 🤖

Priority: Low | Version: v2.0+ | Complexity: Very High

Features:

  • AI hints
  • Difficulty prediction
  • Solving strategy analysis
  • Personalized recommendations
  • AI solver demonstration

Implementation:

  • Core ML integration
  • Model training
  • AI hint generation
  • Pattern analysis

🎯 Feature Priority

Tier 1: Quick Wins (v1.1) - 2-3 weeks

  1. Detailed Statistics 📊
  2. iPad Optimization 📱

Tier 2: Core Enhancements (v1.2) - 4-6 weeks

  1. Achievement System 🏅
  2. Hint System 💡
  3. Tutorial Mode 📚

Tier 3: Social Features (v1.3) - 6-8 weeks

  1. Global Leaderboard 🌍 (Requires Apple Developer)

Tier 4: Customization (v1.4) - 3-4 weeks

  1. Custom Themes 🎨

Tier 5: Advanced Features (v1.5) - 8-12 weeks

  1. Variant Sudoku 🔀

Tier 6: Platform Expansion (v2.0) - 12+ weeks

  1. macOS Version 💻
  2. AI Features 🤖

Recommended Starting Point

Start with Detailed Statistics 📊

  • Builds on existing data
  • High user value
  • No external dependencies
  • Relatively quick to implement
  • Sets foundation for other features

✅ Quality Assurance

We take quality seriously. Before every release, we thoroughly test all features to ensure you have the best possible experience. Here's what we check:

Pre-Release Testing

Functionality Tests

  • Game Generation

    • All difficulty levels generate correctly
    • All puzzles are solvable
    • Difficulty scores are within expected ranges

  • Gameplay

    • Number input works correctly
    • Pencil mode toggles properly
    • Notes display correctly
    • Undo/Redo functions properly
    • Clear cell works
    • Error detection highlights conflicts
    • Victory detection triggers correctly
    • Victory animation displays

  • Archive System

    • Games auto-save during play
    • Archive view displays all records
    • Favorites system works
    • Filter by favorites works
    • Batch operations work
    • Replay functionality works

  • Rating System

    • Rating increases on completion
    • Rating calculation is correct
    • Rank titles display correctly
    • User profile shows correct statistics
    • Anti-smurfing works

  • Data Persistence

    • Games save/load correctly
    • iCloud sync works (if available)
    • Local fallback works
    • Data migration works

UI/UX Tests

  • Terminal aesthetic is consistent
  • All text is readable
  • Icons display correctly
  • Animations are smooth
  • Haptic feedback works
  • Navigation works correctly

Platform Tests

  • App runs on iPhone simulator
  • App runs on iPad simulator
  • App runs on physical devices (if available)
  • Performance is acceptable
  • No crashes during extended play

Build Tests

  • Debug build succeeds
  • Release build succeeds
  • Clean build works
  • No warnings (or acceptable warnings)

Code Quality

  • All code comments are in English
  • Code follows Swift conventions
  • MVVM pattern is maintained
  • Error handling is appropriate
  • Memory management is correct

Documentation

  • README.md is up to date
  • CHANGELOG.md is updated
  • Code comments are clear

Version Management

  • Version number updated
  • Version displayed in app
  • All version references updated

Assets

  • App icon is set
  • All assets are included
  • No missing images

🛠️ For Contributors

If you're interested in contributing code, here are our development guidelines:

Code Organization

We follow these principles:

  • MVVM Pattern: Maintain clear separation between Models, Views, and ViewModels
  • File Structure: Place files in appropriate directories (Models, Views, Managers, etc.)
  • Dependency Injection: Use shared instances appropriately
  • Backward Compatibility: Ensure updates don't break existing functionality

Testing

We test thoroughly:

  • Unit tests for core logic
  • UI tests for new features
  • Performance testing
  • User acceptance testing

Documentation

We maintain documentation:

  • Update README for user-facing changes
  • Add clear code comments (in English)
  • Update CHANGELOG for releases
  • Create guides for complex features

Git Workflow

Our contribution process:

  • Create feature branches (feature/your-feature)
  • Write descriptive commit messages (see CONTRIBUTING.md)
  • Update CHANGELOG before merging
  • Tag releases appropriately

📝 Dependencies & Requirements

External Dependencies

  • Game Center: For achievements and leaderboards
  • CloudKit: For global leaderboard data
  • Core ML: For AI features
  • Swift Charts: For statistics visualization

Apple Developer Requirements

  • Paid Apple Developer Account ($99/year) for leaderboards
  • Game Center configuration
  • CloudKit container setup
  • App Store Connect configuration

Technical Requirements

  • iOS 17.0+ (current)
  • macOS 14.0+ (for macOS version)
  • Xcode 15.0+
  • Swift 5.9+

Last Updated: January 2, 2026
Current Version: 1.0.0