
game(s) -- behavioral(s) / common need(s) / C4(X) / 
_ .. / ... / vision(s) / science / art(s) / education(s) / machine(s) / _ / .
- cognitive -- information, knowledge and understanding
- affective -- emotion, pleasure, feelings.
- personal integrative -- credibility, stability, status.
- social integrative -- family and friends.
- tension release -- escape and diversion
use & gratification theory / question(s)