Games like League of Legends or Arma 2 (better known for Day Z) have rocketed to international renown because the developers involved made player engagement one of the most important goals of the process.
While social game developers and Facebook mutually benefit from their association in big ways, issues like player ownership are bound to arise, as the developers themselves expand.
This extended cut symbolizes a compromise between gamers and game developers, and indicates a new way of thinking about the way that players impact even single-player experiences.