public GameWindow(){
		keyListener = new GameKeyListener(); 
		this.addKeyListener(keyListener);
		screen = new GameScreen();
		this.setTitle("Mass Hysteria");
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		this.add(screen);
		this.pack();
		this.setResizable(false);
		this.setLocationRelativeTo(null);
	}