GAME DEVING AT 3 AM CHALLENGE (I ALMOST DIED)

Assets/Scripts/SceneSetup.cs

@@ -0,0 +1,19 @@
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+public class SceneSetup : MonoBehaviour
+{
+    public static SceneSetup instance;
+    public Scene UIScene;
+    private void Awake()
+    {
+        if (instance != null && instance != this)
+        {
+            Destroy(gameObject);
+            return;
+        }
+        instance = this;
+        DontDestroyOnLoad(gameObject);
+        SceneManager.MergeScenes(UIScene, SceneManager.GetActiveScene());
+    }
+}