Game guide · CTCPX
Learn your way around Slitherlink
Open Slitherlink, check the instructions and begin a round. Draw one closed loop whose edges match the count around every numbered cell. Check the relevant rule before repeating a move. Begin with the solo mode shown on the page. Choose a clear next step rather than rushing through the instructions.
Ten 4×4 loop puzzles with all cell clues shown.
Give this approach a try
Compare the worked example with your own position. Use the reasoning, not an answer copied from a different board. Use the example to check your reasoning.
Understand the aim
Draw one closed loop whose edges match the count around every numbered cell. An attractive position is not enough unless the goal is met. Start with a deliberate move.
A walkthrough of the rules
- Click an edge to draw, exclude or clear it.
- Count the four edges around each cell.
- Do not branch or form separate loops.
- Check puzzle verifies every clue and loop connectivity.
Input guidance
Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution. On a smaller screen, keep the active part of the board within view. Read the example below alongside these instructions.
Work through an example
A 0 cell has no loop edge around it; a 3 has exactly three. Your next round may have a different position, so inspect it before acting. Keep the game’s format in mind.
Notice this detail
Several small loops are invalid even if clues match. Take a moment to reassess the position before continuing. After a move, check what changed. Decide which rule explains the new state before acting again.
If you are unsure
When I return, what is the goal of Slitherlink?
For clarity: Draw one closed loop whose edges match the count around every numbered cell.
While learning, how do I control Slitherlink?
Keep this in mind: Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.
For my first round, what example helps explain Slitherlink?
Keep this in mind: A 0 cell has no loop edge around it; a 3 has exactly three.
For a quick reminder, what should I watch out for in Slitherlink?
Here is the relevant explanation: Several small loops are invalid even if clues match.
For a quick reminder, what format does Slitherlink offer?
Keep this in mind: Ten 4×4 loop puzzles with all cell clues shown.
For this browser game, which play mode does Slitherlink use?
Here is the relevant explanation: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.
Where should I start with Slitherlink?
Here is the relevant explanation: Click an edge to draw, exclude or clear it.
Do I need an account or a payment for Slitherlink?
Keep this in mind: No player account or payment is needed. Game scores are recreational results, not cash prizes.
For a quick reminder, how can I find Slitherlink again?
The key detail is this: Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.
For a quick reminder, how do I report an issue with Slitherlink?
Here is the relevant explanation: Use the contact form and include the game name, browser, device and the actions that led to the issue. Do not send passwords or payment details.
