GDT#012: Film genres get substantified; game genres get acronymized and verbified. Chapter 14 in http://ping.fm/tAJr8

GDT#011: Psychological proximity - e.g. how close to your heart a goal feels - is a variable that affects intensities of gameplay emotions.  

GDT#010: Intensities of emotions in gameplay vary. They are modulated by a set of variables, e.g. unexpectedness, which can be designed.