public void initMain() throws SlickException{
		exitGame = new Image("resources/images/exitGame.png");
	    title = new Image("resources/images/title.png");
		
		//set font
		try {
			InputStream inputStream	= ResourceLoader.getResourceAsStream("game_over.ttf");
			
			Font awtFont = Font.createFont(Font.TRUETYPE_FONT, inputStream);
			awtFont = awtFont.deriveFont(84f); // set font size
			font = new TrueTypeFont(awtFont, false);
	 
		} catch (Exception e) {
			e.printStackTrace();
		}
		
		try {
	        theme = AudioLoader.getAudio("OGG", ResourceLoader.getResourceAsStream("resources/music/menu.ogg"));
	     } catch (IOException e){
	        e.printStackTrace();
	    }	
	}