Nonograms - Picross

Nonograms delivers the definitive picross puzzle experience for iOS, engineered for both casual players and logic puzzle veterans.

CORE MECHANICS:
• Classic nonogram rules with number-based row/column clues
• Three-tier difficulty system: 5×5 (40-60% fill), 10×10 (35-55%), 15×15 (30-50%)
• Three-state cell interaction: Empty → Filled → Marked (X)
• Continuous drag-painting for rapid cell marking
• Real-time error feedback with visual indicators

ADVANCED FEATURES:
• Procedural puzzle generation ensures unlimited unique challenges
• Automatic row/column completion detection with visual strikethrough
• Comprehensive undo system (100-action history)
• Persistent auto-save with state recovery
• Performance timer with difficulty-specific best time tracking
• Adaptive hint system highlights solved sections
• Haptic feedback for enhanced tactile response

TECHNICAL SPECIFICATIONS:
• 100% offline operation - zero network dependencies
• Zero third-party SDKs - maximum privacy and security
• Native SwiftUI implementation for optimal performance
• Dark mode and light mode support
• Optimized for iPhone (portrait orientation)
• iOS 16.0+ compatibility

STATISTICS TRACKING:
• Completion count per difficulty level
• Best time records with timestamp tracking
• Progressive skill development metrics

IDEAL FOR:
• Sudoku enthusiasts seeking new logical challenges
• Students of discrete mathematics and combinatorial logic
• Professionals requiring cognitive maintenance exercises
• Anyone who appreciates elegant, rule-based puzzle systems

Download Nonograms and experience the gold standard in mobile picross puzzles.