@patdavid I have some ideas that may or may not be good.
People tend to share shots that are well-composed with a well-placed and isolated subject. What if there was a challenge where we take an obscure or unusual shot of a subject and have people guess what or where it is? It might be lots of fun because the world is such a big place with endless possibilities.
Of course, there would have to be rules so that people play fair; e.g., no machine learning or digital forensics allowed. There is also the problem of someone making a good guess right away.
PlayRaw titles are often captions in and of themselves. How about a caption contest where someone posts a photo or series of photos for people to caption? This might need some moderation if the captions get out of hand but I think this community can manage to be civil.
Opposite of Idea #2: reverse caption contest. Someone provides the caption and people take photos that in their opinion capture the spirit of the caption.
Edit: Idea #4
@Ofnuts's profile picture is a USB connector that also looks like a face. How about challenges where people take photos of things that resemble something else, like a face. I had loads of fun doing that as a teenager.
@RawConvert I almost shared an acronym as well in my first post, but it wasn't as creative as yours . You should rename your username to GOATSTINK. I dare you .