Wamuzu 虫道

Join the circles in pairs with worms that turn in every cell they cross. Each circle is one end of a worm, a worm bends ninety degrees in every cell between its two circles, no two worms share a cell, and when the puzzle is solved every cell of the grid belongs to some worm.

Three modes: Classic; Snack, where each worm must swallow exactly one snack along its length; and Stones, where stones sit on the board that no worm may enter, while every other cell must still be filled.

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All NazoKiro puzzles

Wamuzu 虫道 — Zigzagging Worms