upgraded the game

Assets/Scripts/ESCQuit.cs

@@ -0,0 +1,21 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class ESCQuit : MonoBehaviour
+{
+    // Start is called before the first frame update
+    void Start()
+    {
+        
+    }
+
+    // Update is called once per frame
+     void Update ()
+     {
+         if(Input.GetKeyDown(KeyCode.Escape) == true)
+         {
+             Application.Quit();
+         }
+     }
+}