Why games?
There are two ways to understand this question: What makes us, humans, play games? What makes games playable and enjoyable? The first question is a question for the study of humans, namely cultural studies like anthropology. There is also the view of evolutionary biology, psychology or biology in general that can shed some light to the question by explaining play as a function for other purposes. Namely, this is one of the possible answers: function or for what other purpose does play exist. There are several possibilities, like maintaining social integrity, teaching small children about rules behavior etc. ...