Seeing the game testing room, it was pretty clear that this was for people in pretty late stages of development and product mockup. Is there any particular spot that's specifically for casually hanging out and talking about current projects, meeting others and sharing ideas, maybe showing rough placeholders?

It seems like the game testing room is primarily for individuals in the later stages of development and product mockup. Are you looking for a specific area where people can casually hang out, discuss current projects, meet others, share ideas, and possibly showcase rough placeholders? Cookie Clicker