Counterfeit Monkey was a very large, fairly old-school game with lot of puzzles. Skim the hint-request thread for it. Is that enough interested people for you?
https://intfiction.org/t/counterfeit-monkey/4849/1
I count at least 20 posters in that thread who were posting for the first time – that is, they created forum accounts specifically to ask about CM. So appeal is not limited to “this community”.