def _stretch_string(string, length):
    """Stretch the game title so that each game takes equal space.

    :param string: the string to stretch
    :type string:  str
    :param length: the length that the string needs to be stretched to
    :type length:  int
    :return:       the stretched string
    :rtype:        str
    """
    for _ in range(length-len(string)):
        string += " "
    return string