public static boolean isWorldScorePosted(int worldCreated) throws Exception {
		File f = new File(CFG.DIR, "scores");
		try {
			if (!f.exists()) return false;
			
			BufferedReader br = new BufferedReader(new FileReader(f));
			String line = "";
			while ((line = br.readLine()) != null) {
				if (Integer.parseInt(line) == worldCreated) {
					br.close();
					return true;
				}
			}
			br.close();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return false;
	}