Single loop — How to play and useful tips
Solve 56 loop puzzles in 3×3, 5×5 and 7×7 sizes by drawing the required edges around each number. Satisfy local clues while forming one connected loop.
Controls
- Select an edge, then apply a line, cross or erase action.
- Compare the drawn edges with each neighboring number.
Playing tips
- Exclude edges around zero clues and remember that a used point must meet exactly two lines.
Common questions
Can I make several small loops?
No. The solution must be one closed loop, without branches, crossings or separate loops.
Can I resume later?
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