GAME № 96 / White goes straight; black turns. Make one loop

Black and White Pearls

Follow the white and black pearl rules to draw one continuous loop.

How to play and common questions ↓

Preparing the board…

Feedback about this game

Clear a stage to continue. Individual settings are available in Standard play.

HOW TO PLAY

The little rulebook

Clear a stage to unlock Next stage. Choose Standard play to select your own puzzle or deal.
Connect orthogonally adjacent cell centers into one loop through every white and black pearl. No crossings, branches or revisiting a cell. Cells without pearls may be left unused.
Go straight through a white pearl. Turn in at least one of the two neighboring cells along the loop. Turning in both is allowed.
Turn at a black pearl. Go straight in both neighboring cells along the loop, extending two cells from the pearl in each direction.
Select a starting cell, then a neighbor to mark the edge between them. The second cell becomes the next start. Select the same cell to cancel; a distant cell only moves the start. Choose Line, Cross or Erase, and use Undo to correct mistakes.
A cross means an edge is not used. You do not need to mark every unused edge. Fit view shows the whole loop; enlarged view offers larger cells. Use arrow keys to move, and Enter or Space to select.
Hints respect your current lines and crosses. They distinguish forced marks from steps toward one possible completion. Hint use marks the record as assisted. Any completion that follows the rules is accepted.
Lines, crosses, starting cell and tool are saved. Stages grow through five board sizes from 5×5 to 9×9, with fresh layouts after the size cap. Standard play lets you choose a board size.

Your board is saved automatically in this browser.

Export or import your records →

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Black and White Pearls — How to play and useful tips

Follow the white and black pearl rules to draw one continuous loop.

Controls

Clear a stage and choose Next stage. Individual settings remain available in Standard play.
Connect orthogonally adjacent cell centers into one loop through every white and black pearl. No crossings, branches or revisiting a cell. Cells without pearls may be left unused.
Go straight through a white pearl. Turn in at least one of the two neighboring cells along the loop. Turning in both is allowed.

Playing tips

Turn at a black pearl. Go straight in both neighboring cells along the loop, extending two cells from the pearl in each direction.

Common questions

What makes this game different?

Lines, crosses, starting cell and tool are saved. Stages grow through five board sizes from 5×5 to 9×9, with fresh layouts after the size cap. Standard play lets you choose a board size.

Can I resume later?

Your board is saved automatically in this browser.

Are stage personal bests saved?

Yes. Open Records to see your best reached and cleared stages.

Saves, backups and playing after a connection loss →