Hexudoku vs Nonograms

Hexadecimal Sudoku (16×16): Play with digits 0–9 and A–F for a deeper logic challenge. Classic Sudoku (9×9): Switch anytime for a familiar experience. Daily Puzzle: The same daily challenge for everyone. Multiple Difficulties: Easy, Moderate, and Hard. Smart Hints: 5 free daily clues, with extra hints available by watching ads. Notes & Pencil Marks: Keep track of candidates. Undo/Redo: Step backward and forward through your moves. Pause Mode: Hide the grid when you step away. Stats & Personal Bests: Track solves and average time by difficulty. Light/Dark/System Themes: Matches your device preference. Accessible & Clean UI: Fast gameplay with clear highlights.

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.