BG07's Mass Effect
Blood Lord's Dragon Age.
Mathias' Animal Kingdom
Those, to my knowldge, are the active RPs.
Your idea is interesting, but I think it could use refinement. I would look at how others presented and structured theirs, and join one or two and then set about creating your own. That way it would give you an understanding of how RPs are structured, and the community tastes. People create their RPs differently, I like to make a book for example and cover every single detail, others don't.
“Salvation comes with a cost. Judge us not by our methods, but by what we seek to accomplish.”
"To punish and enslave..."