The single-player game is a strange mutant monster which has only existed for 21 years and is about to go away because it is unnatural and abnormal.
Raph KosterThere's a good case to be made that having fun is a key evolutionary advantage right next to opposable thumbs in terms of importance. Without that little chemical twist in our brains that makes us enjoy learning new things, we might be more like the sharks and ants of the world.
Raph Koster