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.