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Slitherlink

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Slitherlink Game Guide

📖 About

Slitherlink is the elegant loop-drawing puzzle that has captivated logic enthusiasts worldwide! Each cell contains a number 0-3 indicating how many of its edges are part of the loop. Your task: draw a single continuous loop that never crosses or branches. Using pure deduction, you'll discover which edges belong to the loop and which don't. Simple rules, deeply satisfying solutions!

🎯 Objectives

Draw a single continuous loop through the grid edges. The loop must pass through exactly the number of edges shown by each clue (0, 1, 2, or 3). The loop cannot cross itself or branch. Find the unique solution through logical deduction!

🎮 How to Play

Click edges to include them in the loop. Numbers 0-3 indicate how many edges around that cell are used. Create one continuous loop with no crossings or branches.

⌨️ Controls

Click on the edges between dots to toggle them as part of the loop or not. Numbers inside cells tell you how many of that cell's four edges are part of the loop. Build the loop section by section.

⚙️ Game Mechanics

  • Clues 0-3 show edges around each cell
  • Loop must be single and continuous
  • No crossings or branches allowed
  • Empty cells have no constraints
  • Each puzzle has unique solution

Features

  • Loop Puzzle - Single continuous path
  • Number Clues - Logical constraints
  • Pure Deduction - No guessing needed
  • Elegant Solutions - Beautiful patterns

💡 Tips

  • 0 means no edges around that cell
  • 3 in a corner forces two edges
  • Diagonal 3s create a specific pattern
  • The loop must be continuous - avoid creating branches

Frequently Asked Questions

What does a 0 clue mean?
A cell with 0 means none of its four edges are part of the loop. Mark all four edges as 'not loop' immediately—this is crucial starting information!
How do I handle a 3 in a corner?
A 3 in a corner is powerful! The cell has only two edges on the corner, so both must be part of the loop. Plus, the loop must continue, which forces specific patterns.
What about diagonal 3s?
When two 3s are diagonal from each other, they create a specific pattern. The edges that would connect them diagonally must NOT be part of the loop. This is a key deduction rule.
How do I know the loop is correct?
The loop must be one continuous closed curve (like a rubber band). Every clue must be satisfied. There should be no loose ends, branches, or crossings. Following the loop should return you to where you started.

Strategy Guide

Want to master Slitherlink? Read our comprehensive strategy guide with expert tips and techniques.

Read Full Guide

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