Few comments

Assets/Scripts/Models/Data/Level1/Level1StageData.cs

@@ -1,27 +1,16 @@
 using UnityEngine;
 
-public class Level1StageData: MonoBehaviour
+public class Level1StageData
 {
 
     // Public
     public int CurrentStage { get; private set; } = 1;
     public int TotalStages { get; } = 3;
     public int CurrentTargetScore { get; set; }
     // Private
-    private static Level1StageData Instance { get; set; }
     private int MinTrialsPerStage { get; } = 10;
     private int NTrials { get; }
 
-    // Construct
-    private void Awake()
-    {
-        if (Instance != null)
-        {
-            Destroy(gameObject);
-            return;
-        }
-        Instance = this;
-    }
     public Level1StageData(Metadata metadata, GameConfig gameConfig)
     {
         NTrials = int.TryParse(metadata.l1n, out int trials) ? trials : 60;

Assets/Scripts/Views/Animations/UIAnimationController.cs

@@ -5,6 +5,7 @@
 
 public class UIAnimationController : MonoBehaviour
 {
+    // Note this is currently exposed by the GameController but is actually only used in the into sequences - either expand or make local
     public IEnumerator FadeIn(Graphic graphic, float duration=0.3f)
     {
         yield return StartCoroutine(Fade(graphic, 0f, 1f, duration));