They are more and more a part of any game art direction. Even though graphics technology is evolving fast there is also a focus towards typefaces. This is why examples like the Overwatch font manage to do a good job. They are very important in terms of mood and energy that they bring into a game.
The role of any typefaces besides the obvious one of communication is to be a part of the design concept. Any games need also a font that is going to bring a similar atmosphere to it.
