Today's Slitherlink Puzzles
5 x 5 - Easy - Medium - Very Hard
7 x 7 - Easy - Medium - Very Hard
10 x 10 - Easy - Medium - Very Hard
15 x 15 - Easy - Medium - Very Hard
20 x 20 - Weekly Special
All daily items change at midnight GMT.
Objective / Rules - Join the dots to create a single continuous loop. - The numbers indicate how many of the four surrounding sections contain a line. - The loop never crosses itself and any given dot can only have a maximum of two lines passing through it.
Help Read the help/walkthrough page on Slitherlink for a more detailed explanation and a walkthrough.
Mouse Usage Note: only when supported by your computer/device/browser/etc. Left-click = Blank >> Yes >> No >> Blank. Right-click = Blank >> No >> Yes >> Blank.
Checking If you click 'Check' the system will check for incorrect squares. If 'Show mistakes when checking' is checked their borders will be marked in red.
Uniqueness Each puzzle has exactly one solution, which can be found using logic alone and no guesses are ever required. If you think you've found another solution, then please double check the rules.
[Puzzle Code = Slitherlink-1125-15x15-Very Hard-123958]