'--    (a shoot-em-up game skeleton)
'--    (i still don't know how to develop it deeply)
'--    (i don't know if BossDefeating() is part of GamePlay())
    AppStartup()
While appquit=0
  While gameplaying=0
     ShowGameLabel()
     ShowGameStory()
     ShowDemoPlaying()
   End While
  While gameover=0
     ShowStageStory()
     StagePlay()
     StageBoss()
      stage=stage+1
   End While
     RecordScore()
 End While