Added a bunch of stuff

Assets/Scripts/GameOverController.cs

@@ -0,0 +1,22 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+using UnityEngine.SceneManagement;
+
+public class GameOverController : MonoBehaviour {
+	public Text scoreText;
+
+	void Update() {
+		if (Input.GetButtonDown ("Quit")) {
+			Application.Quit ();
+		}
+
+		if (Input.GetMouseButtonDown(0)) {
+			SceneManager.LoadScene ("gameplay");
+		}
+	
+		//update the texts
+		scoreText.text = "Score: " + PersistentData.score;
+	}
+}