Currently, the Haunted Manor puzzle is the least solved community puzzle. At the time of this writing, it has only been solved by 13 CG members, despite the fact that it is a quite well designed puzzle and was published more than 6 months ago.
Part of the reason for this is Validator #4. It is somewhat more complex than any of the test cases, and many people have been blocked by this issue. (cf. Haunted Manor (community puzzle))
Well, I have taken the time to add a new 7x7 test to the puzzle (entitled Another 7x7 manor) which is arguably identical in complexity to Validator #4. Hopefully this will somewhat alleviate the issue.
So, that being said, I challenge YOU! If you have tried Haunted Manor and got stuck in the past, or if you haven’t given it a shot yet, go check it out! Can you solve the “hardest” community puzzle yet?
I double-dog-dare you!