KenKen Puzzle

Professional-grade logic puzzles with adaptive difficulty. Optimize your cognitive performance with KenKen's systematic brain training.

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.