Masyu: Logic Loop Puzzles

Masyu: Pearl Puzzle Logic — the classic Japanese loop puzzle, polished for mobile.

Draw one continuous closed path through every black and white pearl. Straight on white, turn on black — simple rules, deep logic. Perfect for fans of Slitherlink, Sudoku, Hashi, and other Nikoli-style pencil puzzles.

WHY PLAY MASYU
• Authentic Masyu (Pearl Puzzle) rules, easy to learn, hard to master
• Hundreds of puzzles across 6 grid sizes: 5×7, 6×9, 7×11, 8×12, 9×14, 10×15
• Daily Challenge — a fresh puzzle every day with calendar history
• Random Challenge — endless variety when you want something new
• Interactive tour & tips for complete beginners
• Smooth finger drawing, undo/redo, pinch-zoom & pan
• Mark impossible edges with crosses to reason faster
• Timer, personal bests, and missions to keep you motivated
• Play offline anytime — no connection required to solve

HOW TO PLAY
1. Connect adjacent cells to form a single closed loop
2. The path must pass through every pearl
3. White pearls: go straight through; turn in at least one neighbor
4. Black pearls: turn on the pearl; both neighbors stay straight
5. No branches, no crossings — one elegant loop wins

Whether you want a quick morning brain workout or a long evening logic session, Masyu delivers clean boards, fair difficulty progression, and the satisfying “aha” of a perfect loop.