1.A movie is not a game

  control,make decision-->influence the outcome

2.A toy is not a game

  crealy defined goal-->players can win the game

  reach a particular scale amd a natural ending

3.A drawing program is not a game

  clear set goal

4.A puzzle is not a game

  dynamic, change in the course

  play over and over again

  different strategies lead to success

5.Pros

  real-time element-->enhance excitement, beter feeling of presence

  computer-controlled opponents-->challenges

  game itself can help the players understand the different aspects and teach the player how to play

  graphic, music,cut-scenes

6.Involve players

  design for the people they are going to play it

  think about who they are

  pick the correct audience