public void ShowMenu()
        {
            ConsoleKeyInfo keyInfo;
            bool           needToShowApp = true;

            do
            {
                _menuWindow.Render();
                keyInfo = Console.ReadKey();

                switch (keyInfo.Key)
                {
                case ConsoleKey.DownArrow:
                    _menuWindow.GoDown();
                    break;

                case ConsoleKey.UpArrow:
                    _menuWindow.GoDUp();
                    break;

                case ConsoleKey.LeftArrow:
                    _menuWindow.GoLeft();
                    break;

                case ConsoleKey.RightArrow:
                    _menuWindow.GoRight();
                    break;

                case ConsoleKey.Enter:
                    int currentSelection = _menuWindow.ActiveButtonNr;
                    if (currentSelection == 0)
                    {
                        Console.Title         = "Console Flapp Brid";
                        Console.CursorVisible = false;
                        GameController flappy = new GameController(75, 20);
                        flappy.Run();
                        Console.ReadKey();
                    }
                    else if (currentSelection == 1)
                    {
                        HelpWindowController helpWindowController = new HelpWindowController();
                        helpWindowController.ShowMenu();
                    }
                    else if (currentSelection == 2)
                    {
                        CreditWindowController creditWindowController = new CreditWindowController();
                        creditWindowController.ShowMenu();
                    }
                    else if (currentSelection == 3)
                    {
                        AreYouSureController areYouSureController = new AreYouSureController();
                        areYouSureController.ShowMenu();
                    }
                    break;

                default:
                    Console.WriteLine("Key not handled!");
                    break;
                }
            } while (needToShowApp);
        }