Loopy

Game Rules: Form a single closed loop out of the grid edges, in such a way that every numbered square has exactly that many of its edges included in the loop. Click on a grid edge to mark it as part of the loop (black), and again to return to marking it as undecided (yellow). Right-click on a grid edge to mark it as definitely not part of the loop.

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Game Controls

Game Information

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Shortcuts: Ctrl+S(Save) | Ctrl+O(Load)

Game Rules: Loopy

Play Slitherlink online for free. Draw one closed loop around the grid using number clues and pure logic.

Also known as: Slitherlink

Why play this puzzle

Loopy focuses on drawing a single loop from edge clues, often searched as Slitherlink. It works well as a quick logic exercise, but also has enough depth for longer solving sessions with fresh generated boards.

The best way to solve this Path Connection puzzle is to lean on edge reasoning: confirm forced moves first, reduce the remaining possibilities, and let the full solution emerge step by step.

Form a single closed loop out of the grid edges, in such a way that every numbered square has exactly that many of its edges included in the loop. Click on a grid edge to mark it as part of the loop (black), and again to return to marking it as undecided (yellow). Right-click on a grid edge to mark it as definitely not part of the loop.