THE PLAYBOOK · YSSDYY
How to play Slitherlink
YSSDYY presents Slitherlink with a practical playbook rather than a download screen. Draw one closed loop whose edges match the count around every numbered cell. Read the learn from a completed round note before you begin.
Ten 4×4 loop puzzles with all cell clues shown.
Learn from a completed round
Finish a round where possible, then identify one decision you would change. Revisit the example or mistake section for a focused second attempt.
Your goal
Draw one closed loop whose edges match the count around every numbered cell.
Step by step
- 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.
Controls
Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.
A useful example
A 0 cell has no loop edge around it; a 3 has exactly three.
Watch out for this
Several small loops are invalid even if clues match.
Common questions
What completes a round?
Draw one closed loop whose edges match the count around every numbered cell.
Which controls should I use?
Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.
What can I play here?
Ten 4×4 loop puzzles with all cell clues shown.
Does play involve an account or cash?
No. Play is free, without registration, deposits, bets or cash prizes.
