Slitherlink
Play Slitherlink directly in your browser. Solve the loop puzzle by drawing one continuous line around the grid using the number clues.
Quick facts
- Platform
- Desktop and mobile browser
- Typical time
- 5–15 minutes
- Difficulty
- Beginner-friendly
- Players
- Solo
- Input / output
- Tap, click, or use the on-screen controls
About Slitherlink
Slitherlink is a logic puzzle where you draw one continuous loop around a grid. Number clues tell you how many sides of a cell must be part of the loop.
How to play Slitherlink
Draw line segments between grid points. A numbered cell must have exactly that many surrounding edges included in the final loop. The loop must be single and continuous, with no branches or separate loops.
Who it is for
For solo solvers who enjoy spatial logic and connecting local clues into a whole solution. It suits patient deduction about both where a line must go and where it cannot go.
Features
- Draw segments between grid points.
- Number clues specify the surrounding edges used.
- Complete one continuous loop without branches or separate loops.
Tips for playing Slitherlink
Start with obvious clues such as zeros and high numbers. Mark edges that cannot be used when you know them. Avoid creating a closed loop too early unless it includes the whole solution.
Important limitations
Game rules and controls are shown on the page. Results are for entertainment and practice; the site does not provide competitive ranking or guaranteed skill assessment.
Slitherlink history and background
Slitherlink is strongly associated with Japanese logic puzzle publishing and became known internationally through puzzle magazines and digital puzzle collections. Its appeal comes from simple rules and deep deduction.
Slitherlink FAQ
What does a number mean in Slitherlink?
It tells you how many sides around that cell must be part of the loop.
Can Slitherlink have more than one loop?
No. The final answer should be one continuous loop.