Untitled

public void Play()
{
    io.WriteLine("Welcome to the Number Guessing Game!");
    io.WriteLine("=====================================\n");

    bool playOn = true;
    while (playOn)
    {
        HandleUserInput();

        io.WriteLine("Enter your username:\n");
        string name = io.ReadLine();

        IGoalGenerator goalGenerator = goalGeneratorFactory.CreateGoalGenerator();
        IGuessChecker guessChecker = guessCheckerFactory.CreateGuessChecker();
        string goal = goalGenerator.Generate();

        io.WriteLine("New game:\n");
        // Comment out or remove the next line to play real games!
        io.WriteLine("For practice, the number is: " + goal + "\n");
        string guess = io.ReadLine();

        int nGuess = 1;
        string bbcc = guessChecker.Check(goal, guess);
        io.WriteLine(bbcc + "\n");
        while (bbcc != "BBBB,")
        {
            nGuess++;
            guess = io.ReadLine();
            io.WriteLine(guess + "\n");
            bbcc = guessChecker.Check(goal, guess);
            io.WriteLine(bbcc + "\n");
        }

        playerDataStorage.Write(name, nGuess);
        playerDataStorage.ShowTopList();


        io.WriteLine("Correct, it took " + nGuess + " guesses.\nContinue?\n \"n\" for no or just press any key to continue");
        string answer = io.ReadLine();
        if (answer != null && answer != "" && answer.Substring(0, 1) == "n")
        {
            playOn = false;
        }
    }
}