KenKen - The internationally recognized mathematical logic puzzle, now optimized for iOS with professional-grade features. System Architecture: • Algorithmically generated puzzles ensure unique challenges • Latin Square constraint satisfaction engine • Real-time conflict detection and validation • Automated progress tracking and performance analytics Difficulty Specifications: ▸ Easy Mode: 4×4 grid, basic operations (+, −) - Cage size: 2 cells maximum - Growth probability: 55% - Ideal for beginners and rule mastery ▸ Medium Mode: 5×5 grid, all operations (+, −, ×, ÷) - Cage size: 3 cells maximum - Growth probability: 70% - Optimal for intermediate skill development ▸ Hard Mode: 6×6 grid, all operations (+, −, ×, ÷) - Cage size: 4 cells maximum - Growth probability: 78% - Designed for advanced practitioners Performance Features: → Auto-save system with 500ms debounce (UserDefaults persistence) → Undo stack (100 actions max, FIFO buffer) → Candidate notes system for advanced solving strategies → Haptic feedback integration (selection, input, error, success) → Time tracking with personal best records → Pause/resume with state preservation Technical Excellence: • 100% offline operation - zero network dependencies • Pure Swift implementation with MVVM architecture • SwiftUI declarative UI for optimal performance • Zero third-party dependencies • Optimized for iOS 16+ Performance Metrics: Track completion times across all difficulty levels. Monitor improvement with persistent best-time records. Ideal For: - Cognitive training and working memory enhancement - Arithmetic fluency development - Logical reasoning skill building - Competitive puzzle solving Deployed with clean architecture. No analytics. No tracking. Pure puzzle experience.
