Slitherlink vs Slitherlink

Follow the number clues and draw one continuous loop. Each clue tells you how many of a cell’s edges belong to the loop. Connect the right edges without branches, crossings, or loose ends. 1,200 PUZZLES TO EXPLORE • 900 puzzles across Easy, Medium, and Hard • 300 new Expert puzzles, available with Premium • Start with 100 free Easy puzzles. Premium unlocks the full collection. MAKE IT A DAILY HABIT Try a fresh daily challenge and keep your streak going. Learn the rules through clear explanations, then build your skills with guided practice. SOLVE YOUR WAY Add your own notes to mark cells as inside or outside the loop. Optional automatic crosses offer another solving aid: they are off by default and unavailable in Daily challenges. • Play puzzles offline • Choose readable light and dark themes • Follow your progress with Game Center leaderboards and achievements • Play with VoiceOver labels, hints, and adjustable text Start with a free puzzle and close your first loop.

Slitherlink - The definitive logic puzzle experience for serious puzzle solvers. Based on the classic Nikoli puzzle, this app delivers a refined, performance-optimized implementation with intelligent puzzle generation and comprehensive progress tracking. Technical Features: • Algorithmically generated puzzles ensuring high-quality challenges • Three calibrated difficulty tiers: 5×5 (Easy), 7×7 (Medium), 10×10 (Hard) • Real-time conflict detection with visual feedback • Efficient undo system with 100-step history • Persistent state management with auto-save • Performance-optimized rendering for smooth 60fps gameplay Game Mechanics: • Three-state edge marking: line, cross, undecided • Loop validation: single continuous closed path verification • Clue satisfaction: numerical constraint checking • Best time tracking per difficulty level • Completion statistics and progress analytics Designed for players who appreciate mathematical logic, constraint satisfaction problems, and systematic problem-solving. Ideal for fans of Sudoku, Minesweeper, and other deductive reasoning puzzles. Elevate your puzzle-solving expertise.