I have a finished content sharing site which I had to shut down to focus on my other business. I still believe it's a great idea. Basically people submit content (pictures, videos, music. etc) related to six weekly topics. As you submit the topics you start filling your wedges in a game fashion.

The site is python based.

wehgee.com (placeholder site) https://erlibird.com/go/wehgee (screens) can provide more screens if anyone is interested