Pearl Path Masyu
draw the loop · follow the pearls

Play Pearl Path (Masyu) — Free Loop Puzzle

00:00
0 edges
Draw the loop by clicking and dragging between cells.

How to Play Pearl Path (Masyu)

Draw a single closed loop that travels through the grid horizontally and vertically. The loop must pass through every pearl (circle) and follow two rules:

White pearl ○ — the loop goes straight through. It must turn in at least one of the two adjacent cells.

Black pearl ● — the loop must turn at the pearl. It must go straight through both adjacent cells on either side of the turn.

The loop may not cross itself and must visit every pearl exactly once as part of a single connected closed path. Empty cells may or may not be visited.

Pearl Path is inspired by Masyu, a logic puzzle popularised by Nikoli (Japan, 1999).

New Puzzle
Grid size
Difficulty
Pearl Rules
○
White pearl: loop goes straight through. Must turn in an adjacent cell.
●
Black pearl: loop turns here. Goes straight in both neighbours.
↻
Loop is a single closed path. No crossings. Every pearl visited.
Progress
Pearls: 0 total
Loop: 0 edges drawn
Loop closed: No

How to play Pearl Path

Draw one closed loop through every pearl: straight through white pearls, turning on black ones.

The rules

  1. Draw a single closed loop through the centres of cells, moving horizontally and vertically. It may not cross or touch itself.
  2. The loop must pass through every pearl.
  3. White pearl ○: the loop goes straight through, and turns in at least one of the cells just before or after.
  4. Black pearl ●: the loop turns at the pearl, and goes straight for at least one more cell in both directions.
  5. Cells without pearls may be visited or left empty.

Playing here

  1. Pick a grid size and difficulty and press New Puzzle.
  2. Click and drag between cells to draw the loop.
  3. Undo, Clear and Check are on the toolbar; the Progress panel shows whether the loop is closed.
  4. Send to Solver shows the solution step by step; Send to Slate puts the puzzle on a Slate whiteboard.

Tips

The full guide, with a worked example and common mistakes: How to play Pearl Path.

Questions

Is Pearl Path the same as Masyu?

Yes — the same rules. Pearl Path is this site's name for it.

How do I draw in the game?

Click and drag between cells to draw loop segments; drag again to remove one.

Can I solve a puzzle from a book?

Place the pearls in the Pearl Path Solver (white, black, erase) and click Solve.

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