UE4 wasn’t available to developers until March of last year. Source 2.0 isn’t even available yet. Try again.

“ ...a team of developers spent weeks making it work. Then, according to that source, Roberts tried it, only to realize that it wasn’t actually fun. So they scrapped the whole thing and went back to a regular menu system.”

Seems like the list is pretty set in stone at the moment though: FPS, Multicrew, Social, Persistent Universe, Squadron 42. Pretty much everything that is happening now has been in the pipeline for the past two years. The real issue is that in order for this game to achieve what it wants everything has to be…