Posted: Apr 18, 2012 6:18 pm
http://www.raphkoster.com/2012/03/13/x-isnt-a-game/
I'm of the mind that a game doesn't need to have set goals or objectives, but can be something that you control and experience for enjoyment.
That said, I think $10 is a little high for an hour's worth of play time, so I haven't purchased or played it yet.