This site has computer generated slitherlink puzzles that can be solved using the methods discussed in this Q&A SlitherLink on moderate or large boards: going beyond 0s and 3s For the largest regular puzzles (25x30, hard), and applying the techniques in the question linked above, I can solve such puzzles in about an hour, if I am lucky. My "record" is 49 minutes. I have all the assistants turned on (such as automatically marking completed squares). To complete such a puzzle in an hour, one ne...
