basically the whole game

Assets/Scripts/LevelSwitcher.cs

@@ -0,0 +1,28 @@
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+public class LevelSwitcher : MonoBehaviour
+{
+    #region Statication
+
+    public static LevelSwitcher instance;
+
+    private void Awake()
+    {
+        if (instance != null && instance != this)
+        {
+            Destroy(gameObject);
+            return;
+        }
+        instance = this;
+        DontDestroyOnLoad(this);
+    }
+    #endregion
+
+    public DialogueScript currentScript;
+    public void SwitchLevel(int sceneIndex, DialogueScript scriptToShow = null)
+    {
+        currentScript = scriptToShow;
+        SceneManager.LoadScene(sceneIndex);
+    }
+}