All levels

One-Stroke Trail

Plan one continuous trail through every line exactly once, discovering that dots can be revisited.

How to play

Start at the flag. Tap a connected dot, use arrow keys, or hold the pencil and trace dots. Follow only unused lines. Undo removes one line.

You may return to a dot along a different line. A dotted teal line is already used. Trace every line to finish; Next trail waits for you.

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