Need help making TitleScreen that shows after Intro and before Main

EditorGUILayout.BeginHorizontal();{
                                    globalInfo.gameGUI.titleScreen = (TitleScreen)EditorGUILayout.ObjectField("Title:", globalInfo.gameGUI.titleScreen, typeof(TitleScreen), true);
                                    EditorGUI.BeginDisabledGroup(DisableScreenButton(globalInfo.gameGUI.titleScreen));{
                                        // if (GUILayout.Button("Open", GUILayout.Width(45))) OpenGUICanvas(globalInfo.gameGUI.mainMenuScreen);
                                        ScreenButton(globalInfo.gameGUI.titleScreen);
                                    } EditorGUI.EndDisabledGroup();
                                } EditorGUILayout.EndHorizontal();

    public IntroScreen introScreen;
    public MainMenuScreen mainMenuScreen;
    public OptionsScreen optionsScreen;
    public CreditsScreen creditsScreen;
    public PauseScreen pauseScreen;

using UnityEngine;
using System.Collections;

public class TitleScreen : UFEScreen {
    public virtual void Quit(){
        UFE.Quit();
    }

    public virtual void GoToStoryModeScreen(){
        UFE.StartStoryMode();
    }

    public virtual void GoToVersusModeScreen(){
        UFE.StartVersusModeScreen();
    }

    public virtual void GoToTrainingModeScreen(){
        UFE.StartTrainingMode();
    }

    public virtual void GoToNetworkPlayScreen(){
        UFE.StartNetworkGameScreen();
    }

    public virtual void GoToOptionsScreen(){
        UFE.StartOptionsScreen();
    }

    public virtual void GoToMainMenuScreen(){
        UFE.StartMainMenuScreen();
    
    }

    public virtual void GoToCreditsScreen(){
        UFE.StartCreditsScreen();
    }
}

using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;
using System.Collections;

public class DefaultTitleScreen : TitleScreen{
    #region public instance fields
    public AudioClip onLoadSound;
    public AudioClip music;
    public AudioClip selectSound;
    public AudioClip cancelSound;
    public AudioClip moveCursorSound;
    public bool stopPreviousSoundEffectsOnLoad = false;
    public float delayBeforePlayingMusic = 0.1f;

    public Button buttonNetwork;
    #endregion

    #region public override methods
    public override void DoFixedUpdate(){
        base.DoFixedUpdate();
        this.DefaultNavigationSystem(this.selectSound, this.moveCursorSound, null, this.cancelSound);
    }

    public override void OnShow (){
        base.OnShow ();
        this.HighlightOption(this.FindFirstSelectable());

        if (this.music != null){
            UFE.DelayLocalAction(delegate(){UFE.PlayMusic(this.music);}, this.delayBeforePlayingMusic);
        }
        
        if (this.stopPreviousSoundEffectsOnLoad){
            UFE.StopSounds();
        }
        
        if (this.onLoadSound != null){
            UFE.DelayLocalAction(delegate(){UFE.PlaySound(this.onLoadSound);}, this.delayBeforePlayingMusic);
        }
    }
    #endregion
}

#region public class methods: GUI Related methods
    public static BattleGUI GetBattleGUI(){
        return UFE.config.gameGUI.battleGUI;
    }

public static TitleScreen GetTitleScreen(){
        return UFE.config.gameGUI.titleScreen;
    }

private static void _StartMainMenuScreen(float fadeTime){
        if (UFE.isConnected && !UFE.disconnecting) Network.Disconnect();
        CameraFade.StartAlphaFade(Color.black, true, fadeTime);

        UFE.EndGame();
        UFE.HideScreen(UFE.currentScreen);
        if (UFE.config.gameGUI.mainMenuScreen == null){
            Debug.LogError("Main Menu Screen not found! Make sure you have set the prefab correctly in the Global Editor");
        }else{
            UFE.ShowScreen(UFE.config.gameGUI.mainMenuScreen);
        }
    }

private static void _StartTitleScreen(float fadeTime){
        if (UFE.isConnected && !UFE.disconnecting) Network.Disconnect();
        CameraFade.StartAlphaFade(Color.black, true, fadeTime);
        
        UFE.EndGame();
        UFE.HideScreen(UFE.currentScreen);
        if (UFE.config.gameGUI.titleScreen == null){
            Debug.LogError("Title Screen not found! Make sure you have set the prefab correctly in the Global Editor");
        }else{
            UFE.ShowScreen(UFE.config.gameGUI.titleScreen);
        }
    }