Pearl Loop: Masyu Puzzle

Pearl Loop is a calm, classic logic puzzle. Draw a single continuous loop through the grid that obeys two simple pearl rules, and enjoy a perfectly clean solve.

How to play
- White pearl: the loop passes straight through it, and turns in at least one of the next cells.
- Black pearl: the loop turns on it, and goes straight through both neighbouring cells.
- The loop never crosses or branches and forms one closed loop.

Tap between two dots to add or remove a line. Large, comfortable touch targets make it easy on any screen.

Features
- Endless puzzles generated right on your device. Never run out.
- Three sizes: Easy 6x6, Medium 8x8, Hard 10x10.
- Every puzzle has exactly one solution and can be solved by pure logic. No guessing, ever.
- 100% offline. No account, no sign-up, no internet needed to play.
- Clean, distraction-free design with undo, redo and clear.

Masyu, also known as Pearl Loop, is a beloved Japanese logic puzzle in the same family as Sudoku, Nonogram and Slitherlink. If you enjoy quiet, thoughtful puzzles that train your brain, Pearl Loop is made for you.

Free to play, supported by ads.